TW201317800A - Dual computer system - Google Patents

Abstract

A dual computer system includes a first computer device and a second computer device. When the first computer device is connected to the second computer device and a first power button of the first computer device is switched on, the first computer device can use at least one second electronic component of the second computer device and executes a first operating system. When the first computer device is connected to the second computer device and a second power button of the second computer device is switched on, the second computer device can use at least one first electronic component of the first computer device and executes a second operating system. When the first computer device is detached from the second computer device, the second computer device can be connected to a display device so as to be served as a personal computer.

Description

Dual computer system

The present invention relates to a dual computer system, and more particularly to a dual computer system that allows two computer devices to share each other's hardware resources.

With the development and advancement of technology, computer devices, such as personal computers, notebook computers, tablet computers, etc., have gradually become an indispensable necessity in people's daily lives. In general, each computer device is equipped with software and hardware components necessary for operation, such as a central processing unit (CPU), a platform controller unit (PCH) that integrates the functions of the south bridge and the north bridge, Memory, Basic Input/Output System (BIOS) hard drive, operating system, etc., optionally with other additional electronic components, such as keyboards and CDs. Machine, display panel, touch panel, camera, wireless network interface, etc. At present, each computer device is operated independently, and the user cannot connect two different computer devices, that is, two different computer devices cannot share each other's additional electronic components. Less flexible in use.

The present invention provides a dual computer system that allows two computer devices to share each other's hardware resources to solve the above problems.

The patent application scope of the present invention discloses a dual computer system including a first computer device and a second computer device. The first computer device includes a first platform control unit; a first central processing unit electrically connected to the first platform control unit; a first memory body electrically connected to the first central processing unit; a basic input and output system electrically connected to the first platform control unit; a first storage device electrically connected to the first platform control unit for storing a first operating system; a first hardware switching control The circuit is electrically connected to the first platform control unit and includes at least one first switch; at least one first electronic component is electrically connected to the at least one first switch; and an embedded controller is electrically connected to The first platform control unit and the first hardware switching control circuit; and a first power switch electrically connected to the embedded controller. The second computer device includes a second platform control unit; a second central processing unit electrically connected to the second platform control unit; a second memory body electrically connected to the second central processing unit; The second basic input and output system is electrically connected to the second platform control unit; a second storage device is electrically connected to the second platform control unit for storing a second operating system; and a second hardware switching control The circuit is electrically connected to the second platform control unit, and includes at least one second switch; at least one second electronic component electrically connected to the at least one second switch; and a second power switch electrically connected In the second platform control unit.

When the embedded controller detects that the first computer device is connected to the second computer device, and the first power switch is turned on, the embedded controller turns on the at least one second switch, so that the first The computer device can use the at least one second electronic component through the first hardware switching control circuit and the second hardware switching control circuit, and the first computer device executes the first operating system; when the embedded controller detects When the first computer device is connected to the second computer device, and the second power switch is turned on, the embedded controller turns on the at least one first switch, so that the second computer device can pass the first The hardware switching control circuit and the second hardware switching control circuit use the at least one first electronic component, and the second computer device executes the second operating system.

The application scope of the present invention further discloses that when the first computer device is turned on, and the embedded controller detects that the first computer device is connected to the second computer device, the embedded controller detects the first Whether the second computer device is in a power-on state; if the second computer device is in a power-on state, the embedded controller controls the first computer device to enter a shutdown state, and turns on the at least one first switch, so that the second computer device can The at least one first electronic component is used by the first hardware switching control circuit and the second hardware switching control circuit; and the embedded controller turns on the at least one second switching switch if the second computer device is in a shutdown state The first computer device can use the at least one second electronic component through the first hardware switching control circuit and the second hardware switching control circuit.

The first hardware switching control circuit further includes a power switch, the first computer device further includes a battery and a first power circuit, and the battery and the first power circuit are respectively electrically Connected to the power switch, the second computer device further includes a second power circuit, and when the first computer device is connected to the second computer device, the second power circuit is coupled to the control circuit via the first hardware The second hardware switching control circuit is electrically connected to the power switch.

The patent application scope of the present invention further discloses that when a first power adapter is connected to the first power circuit, and a second power adapter is connected to the second power circuit, the embedded controller controls the power switch. And a switch, so that the first power adapter supplies power to the first computer device and the second computer device via the first power circuit, and charges the battery.

The patent application scope of the present invention further discloses that when a first power adapter is connected to the first power circuit, the embedded controller controls the power switch to enable the first power adapter to pass the first power source. The circuit supplies power to the first computer device and the second computer device and charges the battery.

The patent application scope of the present invention further discloses that when a second power adapter is connected to the second power circuit, the embedded controller controls the power switch to enable the second power adapter to pass the second power source The circuit supplies power to the first computer device and the second computer device and charges the battery.

The patent application scope of the present invention further discloses that when the first power circuit and the second power circuit are both idle, the embedded controller controls the power switch to power the battery to the first computer device and the second Computer device.

The first computer device is a tablet computer, and the second computer device further includes an audio and video transmission interface electrically connected to the second central processing unit. When the second computer device is separated from the first computer device, the second computer device can externally connect a display device through the audio and video transmission interface.

In summary, as long as the first computer device (such as a tablet computer) is connected to the second computer device (such as a computer host), the user can select to open the first computer device to execute the first operating system, and via the first computer. The device uses a second electronic component of the second computer device (eg, a keyboard, a CD player, etc.), or the user can select to activate the second computer device to execute the second operating system, and the second computer device uses the first computer device first Electronic components (such as monitors, touch panels, cameras, wireless network interfaces, etc.). In addition, the dual computer system of the present invention can share the power adapter or battery of each other with the first computer device and the second computer device that are connected together by the power switch, the first power circuit and the second power circuit. Furthermore, if the first computer device is a tablet computer and the second computer device is a computer host having an audio and video transmission interface, when the second computer device is separated from the first computer device, the second computer device can also be externally connected by the audio and video transmission interface. The display device is used as a personal computer. Thereby, when the second computer device is separated from the first computer device, it can be used by at most two users at the same time.

The advantages and spirit of the present invention will be further understood from the following detailed description of the invention.

Please refer to FIG. 1 to FIG. 4 . FIG. 1 is a schematic diagram of a dual computer system 1 according to an embodiment of the present invention. The left half shows that the first computer device 10 is connected to the second computer device 12 , and the right half is painted. The first computer device 10 is separated from the second computer device 12, and the second computer device 12 is externally connected to the display device 3. FIG. 2 is a functional block diagram of the first computer device 10 in FIG. 1; The functional block diagram of the second computer device 12 in the figure; FIG. 4 is a functional block diagram showing the connection between the first computer device 10 in FIG. 2 and the second computer device 12 in FIG.

As shown in FIG. 1, the dual computer system 1 includes a first computer device 10 and a second computer device 12. In this embodiment, the first computer device 10 can be a tablet computer, and the second computer device 12 can be a computer host, but is not limited thereto. After the first computer device 10 is connected to the second computer device 12, the dual computer system 1 can be used as a notebook computer. On the other hand, when the second computer device 12 is separated from the first computer device 10, the second computer device 12 can be externally connected to the display device 3 for use as a personal computer. Thereby, when the second computer device 12 is separated from the first computer device 10, it can be used for up to two users at the same time.

As shown in FIG. 2, the first computer device 10 includes a first platform control unit 100, a first central processing unit 101, a first memory 102, a first basic input/output system 103, and a first storage device. 104. A first hardware switching control circuit 105, at least one first electronic component 106a-106f, an embedded controller 107, a first power switch 108, a battery 109, and a first power circuit 110 A heat dissipation unit 111 and an audio codec 112. The first memory 102 is electrically connected to the first central processing unit 101. The first platform control unit 100 integrates the functions of the south bridge and the north bridge. The first central processing unit 101, the first basic input/output system 103, the first storage device 104, the first hardware switching control circuit 105, and the sound effect codec 112 are all electrically connected to the first platform control unit 100. The embedded controller 107 is electrically connected to the first platform control unit 100, the first hardware switching control circuit 105, the first power switch 108, and the heat dissipation unit 111. The first power switch 108 is used to turn on the first computer device 10.

The first storage device 104 can be a hard disk conforming to the Serial Advanced Technology Attachment (SATA) specification for storing a first operating system 1040 and a software program required for the operation of the first computer device 10. If the first computer device 10 is a tablet computer, the first operating system 1040 can be a tablet operating system. The audio codec 112 can be electrically connected to a built-in microphone 113 and a built-in speaker 114, and a headphone output connector 115 is provided. The heat dissipation unit 111 can be a fan.

In this embodiment, the first hardware switching control circuit 105 includes at least one first switching switch 1050a-1050f and a power switching switch 1052. The battery 109 and the first power circuit 110 are electrically connected to the power switch 105, respectively. When the first power circuit 110 is connected to the first power adapter 116, the embedded controller 107 controls the power switch 1052 to enable the first power adapter 116 to supply power to the first computer device 10 via the first power circuit 110. And charging the battery 109. When the first power circuit 110 is idle (that is, the first power circuit 110 is not connected to the first power adapter 116), the embedded controller 107 controls the power switch 1052 to power the battery 109 to the first computer device 10. .

The at least one first electronic component 106a-106f is electrically connected to the at least one first switch 1050a-1050f. In this embodiment, the first hardware switching control circuit 105 includes six switching switches 1050a-1050f electrically connected to the six electronic components 106a-106f. As shown in FIG. 2, the six switchers 1050a-1050f may include a Low Voltage Differential Signaling (LVDS) switch 1050a and five Universal Serial Bus (USB) switches 1050b-1050f. The six electronic components 106a-106f can be respectively connected to the liquid crystal display 106a of the LVDS switch 1050a and the USB touch panel 106b, the USB camera 106c, and the USB Bluetooth interface 106d electrically connected to the five USB switches 1050b-1050f, respectively. A USB Wireless Wide Area Network (WWAN) interface 106e and a USB Wireless Local Area Network (WLAN) interface 106f. However, it should be noted that the number and type of the first switching switch and the first electronic component may be determined according to actual applications, and are not limited to the embodiment illustrated in FIG. 2 .

As shown in FIG. 3, the second computer device 12 includes a second platform control unit 120, a second central processing unit 121, a second memory 122, a second basic input/output system 123, and a second storage device. 124. A second hardware switching control circuit 125, at least one second electronic component 126a-126b, at least one USB port 127, a second power switch 128, and a local area network (LAN) 129. A second power supply circuit 130, a graphics processing unit (GPU) 131, an audio codec 132, and a video transmission interface 137. The second memory 122 and the graphics processor 131 are electrically connected to the second central processing unit 121, respectively. The audio and video transmission interface 137 can be a High Definition Multimedia Interface (HDMI) and electrically connected to the graphics processor 131. The second platform control unit 120 integrates the functions of the south bridge and the north bridge. The second central processing unit 121, the second basic input/output system 123, the second storage device 124, the second hardware switching control circuit 125, the USB port 127, the second power switch 128, the area network port 129, and the sound effect editing The decoders 132 are all electrically connected to the second platform control unit 120. As shown in FIG. 4, when the first computer device 10 is connected to the second computer device 12, the second power circuit 130 is electrically connected to the second hardware switching control circuit 125 via the first hardware switching control circuit 105. Power switch switch 1052. The second power switch 128 is used to turn on the second computer device 12. When the second power circuit 130 is connected to a second power adapter 136, the second power adapter 136 can be powered to the second computer device 12 via the second power circuit 130. In addition, the second computer device 12 is externally connected to the display device 3 in FIG. 1 via the video and audio transmission interface 137, and is used as a personal computer.

The second storage device 124 can be a hard disk conforming to the Serial Advanced Technology Attachment (SATA) specification for storing a second operating system 1240 and a software program required for the second computer device 12 to operate. If the second computer device 12 is a computer host, the second operating system 1240 can be a Microsoft Windows operating system. The audio codec 132 can be electrically connected to a built-in microphone 133 and a built-in speaker 134, and a headphone output connector 135 is provided.

In this embodiment, the second hardware switching control circuit 125 includes at least one second switching switch 1250a-1250b. The at least one second electronic component 126a-126b is electrically connected to the at least one second switch 1250a-1250b. In this embodiment, the second hardware switching control circuit 125 includes two switching switches 1250a-1250b electrically connected to the two electronic components 126a-126b. As shown in FIG. 3, the two switch switches 1250a-1250b may include a USB switch 1250a and a SATA switch 1250b, and the two electronic components 126a-126b may be respectively connected to the USB keyboard 126a of the USB switch 1250a and the electric The SATA optical disk drive 126b is connected to the SATA switch 1250b. However, it should be noted that the number and type of the second switching switch and the second electronic component may be determined according to actual applications, and are not limited to the embodiment illustrated in FIG.

As shown in the left half of Fig. 1 and Fig. 4, after the first computer device 10 is connected to the second computer device 12, the dual computer system 1 can be used as a notebook computer. When the first computer device 10 is connected to the second computer device 12, the first hardware switching control circuit 105 of the first computer device 10 and the second hardware switching control circuit 125 of the second computer device 12 are electrically connected.

Please refer to FIG. 5 and FIG. 6 . FIG. 5 is a flow chart when the first power switch 108 of the first computer device 10 is turned on, and FIG. 6 is a second power switch 128 of the second computer device 12 when the second power switch 128 is turned on. Flow chart. As shown in FIG. 5, it is assumed that the first computer device 10 is in a shutdown state before being connected to the second computer device 12. When the embedded controller 107 detects that the first computer device 10 is connected to the second computer device 12, and When the first power switch 108 of the computer device 10 is turned on (step S100), the embedded controller 107 turns on the second switch 1250a-1250b through the first hardware switching control circuit 105 and the second hardware switching control circuit 125, The first computer device 10 can use the second electronic component 126a-126b of the second computer device 12 through the first hardware switching control circuit 105 and the second hardware switching control circuit 125, and the first computer device 10 performs the first job. System 1040 (step S102). At this time, the user can perform related operations with the SATA CD player 126b using the USB keyboard 126a of the second computer device 12 under the first operating system 1040. On the other hand, as shown in FIG. 6, it is assumed that the first computer device 10 is in a shutdown state before being connected to the second computer device 12, and when the embedded controller 107 detects the first computer device 10 and the second computer device 12 When the second power switch 128 of the second computer device 12 is turned on (step S200), the embedded controller 107 turns on the first switch through the first hardware switching control circuit 105 and the second hardware switching control circuit 125. 1050a-1050f, so that the second computer device 12 can use the first electronic component 106a-106f of the first computer device 10 through the first hardware switching control circuit 105 and the second hardware switching control circuit 125, and the second computer device 12 The second operating system 1240 is executed (step S202). At this time, the user can use the liquid crystal display 106a, the USB touch panel 106b, the USB camera 106c, the USB Bluetooth interface 106d, the USB wireless wide area network interface 106e and the USB wireless area of the first computer device 10 under the second operating system 1240. The network interface 106f performs related operations.

In this embodiment, when the first computer device 10 is connected to the second computer device 12, the embedded controller 107 of the first computer device 10 can be electrically connected to the detection pin 138 of the second computer device 12, The embedded controller 107 detects whether the first computer device 10 and the second computer device 12 are connected.

Please refer to FIG. 7. FIG. 7 is a flow chart showing the first computer device 10 in a power-on state before being connected to the second computer device 12. When the first computer device 10 is turned on before being connected to the second computer device 12, and the embedded controller 107 detects that the first computer device 10 is connected to the second computer device 12 (step S300), the embedded control The device 107 detects whether the second computer device 12 is in the power-on state (step S302). If the second computer device 12 is in the power-on state, the embedded controller 107 controls the first computer device 10 to enter the power-off state, and turns on the first switch 1050a-1050f, so that the second computer device 12 can pass the first hardware switching control circuit. 105 and the second hardware switching control circuit 125 use the first electronic components 106a-106f of the first computer device 10 (step S304). If the second computer device 12 is in the off state, the embedded controller 107 turns on the second switch 1250a-1250b, so that the first computer device 10 can be used by the first hardware switching control circuit 105 and the second hardware switching control circuit 125. The second electronic components 126a-126b of the second computer device 12 (step S306).

In this embodiment, when the first computer device 10 is connected to the second computer device 12, the embedded controller 107 of the first computer device 10 can be electrically connected to the trigger pin 139 of the second computer device 12 to The embedded controller 107 is caused to detect whether the second computer device 12 is in the power on state.

As shown in FIG. 4, when the first computer device 10 is connected to the second computer device 12, the first power adapter 116 is connected to the first power circuit 110, and the second power adapter 136 is connected to the second power circuit. At 130 o'clock, the embedded controller 107 controls the power switch 1052 to cause the first power adapter 116 to supply power to the first computer device 10 and the second computer device 12 via the first power circuit 110, and to charge the battery 109. . In other words, after the first computer device 10 and the second computer device 12 are connected, if the first computer device 10 and the second computer device 12 are connected to the first power adapter 116 and the second power adapter 136 at the same time, the embedded The controller 107 controls the power switch 105 with the first power adapter 116 as the primary source of power.

Please refer to FIG. 8. FIG. 8 is a functional block diagram of the first power device 110 connected to the second computer device 12 and only the first power adapter 116 is connected to the first power circuit 110 of the first computer device 10. As shown in FIG. 8, when the first computer device 10 is connected to the second computer device 12, and only the first power adapter 116 is connected to the first power circuit 110 of the first computer device 10, the embedded controller 107 The power switch switch 1052 is controlled to cause the first power adapter 116 to supply power to the first computer device 10 and the second computer device 12 via the first power circuit 110, and to charge the battery 109. In other words, after the first computer device 10 is connected to the second computer device 12, if only the first computer device 10 is connected to the first power adapter 116, the embedded controller 107 controls the power switch 1052 to be the first power source. Adapter 116 serves as the primary source of power.

Please refer to FIG. 9. FIG. 9 is a functional block diagram of the first computer device 10 connected to the second computer device 12, and only the second power adapter 136 is connected to the second power circuit 130 of the second computer device 12. As shown in FIG. 9, when the first computer device 10 is connected to the second computer device 12, and only the second power adapter 136 is connected to the second power circuit 130 of the second computer device 12, the embedded controller 107 The power switch switch 1052 is controlled to cause the second power adapter 136 to supply power to the first computer device 10 and the second computer device 12 via the second power circuit 130, and to charge the battery 109. In other words, after the first computer device 10 is connected to the second computer device 12, if only the second computer device 12 is connected to the second power adapter 136, the embedded controller 107 controls the power switch 515 to be the second power source. Adapter 136 serves as the primary source of power.

Please refer to FIG. 10. FIG. 10 is a functional block diagram of the first computer device 10 connected to the second computer device 12, and the first power circuit 110 and the second power circuit 130 are idle. As shown in FIG. 10, when the first computer device 10 is connected to the second computer device 12, and the first power circuit 110 and the second power circuit 130 are both idle, the embedded controller 107 controls the power switch 1052 to The battery 109 is powered to the first computer device 10 and the second computer device 12. In other words, after the first computer device 10 and the second computer device 12 are connected, if the first computer device 10 and the second computer device 12 are not connected to the first power adapter 116 and the second power adapter 136, the embedded The controller 107 controls the power switch 1052 with the battery 109 as the primary source of power.

In summary, as long as the first computer device (such as a tablet computer) is connected to the second computer device (such as a computer host), the user can select to open the first computer device to execute the first operating system, and via the first computer. The device uses a second electronic component of the second computer device (eg, a keyboard, a CD player, etc.), or the user can select to activate the second computer device to execute the second operating system, and the second computer device uses the first computer device first Electronic components (such as monitors, touch panels, cameras, wireless network interfaces, etc.). In addition, the dual computer system of the present invention can share the power adapter or battery of each other with the first computer device and the second computer device that are connected together by the power switch, the first power circuit and the second power circuit. Furthermore, if the first computer device is a tablet computer and the second computer device is a computer host having an audio and video transmission interface, when the second computer device is separated from the first computer device, the second computer device can also be externally connected by the audio and video transmission interface. The display device is used as a personal computer. Thereby, when the second computer device is separated from the first computer device, it can be used by at most two users at the same time.

The above are only the embodiments of the present invention, and all changes and modifications made by the scope of the present invention should be within the scope of the present invention.

1. . . Dual computer system

3. . . Display device

10. . . First computer device

12. . . Second computer device

100. . . First platform control unit

101. . . First central processing unit

102. . . First memory

103. . . First basic input and output system

104. . . First storage device

105. . . First hardware switching control circuit

106a. . . LCD Monitor

106b. . . USB touch panel

106c. . . USB camera

106d. . . USB Bluetooth interface

106e. . . USB wireless WAN interface

106f. . . USB wireless LAN interface

107. . . Embedded controller

108. . . First power switch

109. . . battery

110. . . First power circuit

111. . . Cooling unit

112, 132. . . Audio codec

113, 133. . . Built-in microphone

114, 134. . . Built-in speaker

115, 135. . . Headphone output connector

116. . . First power adapter

120. . . Second platform control unit

121. . . Second central processing unit

122. . . Second memory

123. . . Second basic input and output system

124. . . Second storage device

125. . . Second hardware switching control circuit

126a. . . USB keyboard

126b. . . SATA CD player

127. . . USB port埠

128. . . Second power switch

129. . . Regional network connection埠

130. . . Second power circuit

131. . . Graphics processor

136. . . Second power adapter

137. . . Audio and video transmission interface

138. . . Detection pin

139. . . Trigger pin

1040. . . First operating system

1050a. . . LVDS switch

1050b-1050f, 1250a. . . USB switch

1052. . . Power switch

1240. . . Second operating system

1250b. . . SATA switch

S100-S102, S200-S202, S300-S306. . . step

1 is a schematic diagram of a dual computer system according to an embodiment of the present invention, wherein a left computer unit is connected to a second computer device and a second computer device is separated from the second computer device, and The second computer device is externally connected to the display device.

Fig. 2 is a functional block diagram of the first computer device in Fig. 1.

Figure 3 is a functional block diagram of the second computer device in Figure 1.

Fig. 4 is a functional block diagram showing the connection between the first computer device in Fig. 2 and the second computer device in Fig. 3.

Figure 5 is a flow chart of the first power switch of the first computer device being turned on.

Figure 6 is a flow chart of the second power switch of the second computer device being turned on.

Figure 7 is a flow chart showing the first computer device being powered on before being connected to the second computer device.

Figure 8 is a functional block diagram of the first computer device connected to the second computer device, and only the first power adapter is connected to the first power circuit of the first computer device.

Figure 9 is a functional block diagram showing the connection of the first computer device to the second computer device, and only the second power adapter is connected to the second power circuit of the second computer device.

Figure 10 is a functional block diagram of the first computer device being connected to the second computer device, and the first power circuit and the second power circuit are idle.

1. . . Dual computer system

3. . . Display device

10. . . First computer device

12. . . Second computer device

Claims (8)

A dual computer system comprising: a first computer device comprising: a first platform control unit; a first central processing unit electrically connected to the first platform control unit; a first memory body electrically connected to a first central processing unit; a first basic input and output system electrically connected to the first platform control unit; a first storage device electrically connected to the first platform control unit for storing a first job a first hardware switching control circuit electrically connected to the first platform control unit, comprising at least one first switching switch; at least one first electronic component electrically connected to the at least one first switching switch; An embedded controller electrically connected to the first platform control unit and the first hardware switching control circuit; and a first power switch electrically connected to the embedded controller; and a second computer device, including a second platform control unit; a second central processing unit electrically connected to the second platform control unit; and a second memory electrically coupled to the second central processing unit a second basic input and output system electrically connected to the second platform control unit; a second storage device electrically connected to the second platform control unit for storing a second operating system; a second hardware The switching control circuit is electrically connected to the second platform control unit, and includes at least one second switching switch; at least one second electronic component electrically connected to the at least one second switching switch; and a second power switch Connected to the second platform control unit; wherein when the embedded controller detects that the first computer device is connected to the second computer device, and the first power switch is turned on, the embedded controller is turned on The at least one second switching switch enables the first computer device to use the at least one second electronic component through the first hardware switching control circuit and the second hardware switching control circuit, and the first computer device executes the a first operating system; when the embedded controller detects that the first computer device is connected to the second computer device, and the second power switch is turned on, the embedded controller Translating the at least one first switch to enable the second computer device to use the at least one first electronic component through the first hardware switching control circuit and the second hardware switching control circuit, and the second computer device executes The second operating system. The dual computer system of claim 1, wherein the embedded controller is when the first computer device is powered on and the embedded controller detects that the first computer device is connected to the second computer device Detecting whether the second computer device is in a power on state; if the second computer device is in a power on state, the embedded controller controls the first computer device to enter a shutdown state, and turns on the at least one first switch, so that the first The second computer device can use the at least one first electronic component through the first hardware switching control circuit and the second hardware switching control circuit; if the second computer device is in a shutdown state, the embedded controller turns on the at least one The second switching switch enables the first computer device to use the at least one second electronic component through the first hardware switching control circuit and the second hardware switching control circuit. The dual computer system of claim 1, wherein the first hardware switching control circuit further comprises a power switching switch, the first computer device further comprising a battery and a first power circuit, the battery and the first power source The circuit is electrically connected to the power switch, and the second computer device further includes a second power circuit. When the first computer device is connected to the second computer device, the second power circuit is connected to the first hardware. The switching control circuit and the second hardware switching control circuit are electrically connected to the power switching switch. The dual computer system of claim 3, wherein when the first power adapter is connected to the first power circuit and the second power adapter is connected to the second power circuit, the embedded controller The power switch is controlled to cause the first power adapter to supply power to the first computer device and the second computer device via the first power circuit, and to charge the battery. The dual computer system of claim 3, wherein when a first power adapter is connected to the first power circuit, the embedded controller controls the power switch to enable the first power adapter to be The first power circuit supplies power to the first computer device and the second computer device and charges the battery. The dual computer system of claim 3, wherein when a second power adapter is connected to the second power circuit, the embedded controller controls the power switch to enable the second power adapter to be The second power circuit supplies power to the first computer device and the second computer device and charges the battery. The dual computer system of claim 3, wherein when the first power circuit and the second power circuit are both idle, the embedded controller controls the power switch to power the battery to the first computer device With the second computer device. The dual computer system of claim 1, wherein the first computer device is a tablet computer, the second computer device is a computer host, and the second computer device further comprises an audio and video transmission interface electrically connected to the first computer device. The second central processing unit can externally connect a display device by the audio and video transmission interface when the second computer device is separated from the first computer device.