CN1510591A - Network computer design method and realization based on SOC - Google Patents
Network computer design method and realization based on SOC Download PDFInfo
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- CN1510591A CN1510591A CNA021578907A CN02157890A CN1510591A CN 1510591 A CN1510591 A CN 1510591A CN A021578907 A CNA021578907 A CN A021578907A CN 02157890 A CN02157890 A CN 02157890A CN 1510591 A CN1510591 A CN 1510591A
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Abstract
The present invention is design plan for network computer and its realization based on system on a chip, which uses single-chip and high integration level of SOC processor to build a multifunction network computer system in low cost, low energy comsuption, and small volume.
Description
Technical field
The present invention relates to computer technology, particularly a kind of network computer (NC) method for designing and realization thereof based on SOC.
Background technology
Popular computer equipment has a common characteristic on the market now: power supply that need be powerful, very large cabinet and loaded down with trivial details heat dissipation equipment, so its cost is also very high, maintenance is also inconvenient.
Summary of the invention
The objective of the invention is to overcome these shortcomings of computer equipment, for those do not have the harsh user who requires that a kind of multi-functional cheap selection is provided to performance.
For achieving the above object, technical solution of the present invention provides a kind of network computer method for designing and realization thereof based on SOC, this method is used single SOC chip, constructs a multi-functional computer system, substitutes present baroque multichip system.
Described network computer method for designing and realization thereof based on SOC, it uses single SOC chip.
Described network computer method for designing and realization thereof based on SOC, it has multiple mode of operations such as common PC pattern, non-disk workstation pattern, Windows Terminal pattern and Browser pattern.
Described network computer method for designing and realization thereof based on SOC, it has makes recruitment C stick into the function of capable authentification of user.
With network computer (NC) compact conformation of the inventive method design, powerful, power consumption minimum (the core processor power consumption 1W that the SOC chip is integrated).The mainboard size only is 19 * 19cm, only needs to use a small-sized cabinet and small-sized ATX power supply, and total system does not need the fan heat radiation, eliminates noise source, and is with low cost, easy to maintenance.
Description of drawings
Fig. 1 is the network computer structural drawing that the present invention is based on SOC;
Fig. 2 is network computer (NC) the mainboard photo in kind that the present invention is based on SOC;
Fig. 3 is the network computer network connection diagram that the present invention is based on SOC;
Fig. 4 is that the network computer that the present invention is based on SOC uses IC-card card reader situation synoptic diagram.
Embodiment
Seeing shown in the accompanying drawing 1, is the network computer structural drawing that the present invention is based on SOC.The present invention adopts the Geode SC2200 chip of National Semiconductor, the SOC of a high integration (System on a Chip) chip, and main integrated following function:
32 x86 MMX processors, dominant frequency 266MHz
64 PC100 sdram controllers
The 2D video quickens
CRT interface: the highest support 1024 * 768@16bpp 85Hz
TFT interface: the highest support 1024 * 768@16bpp 60Hz
CCIR-656 video inputs mouth
Pci bus controller
LPC (Low Pin Count) bus interface
AC97/AMC97 2.0 compatible Audio Controllers
An IDE passage
A parallel port, three serial ports, three USB 1.0 ports
Network computer (NC) based on this chip design uses a slice SOC chip to add I/O interface and associated drives, and the south bridge that its structure breaks traditions fully, north bridge add the labyrinth of CPU.
Method for designing is following listed:
A SODIMM-144 memory bank is directly received on the integrated Memory Controller Hub of SOC, supports 256MB PC100 SDRAM at most
CRT 15 needle interfaces are received the pci bus that provides with the SOC chip on the SOC chip by driving circuit and are connected RTL8139C 10/100M Ethernet controller, and a RJ45 interface is provided; Other adds a 3.3V PCI slot
The lpc bus of SOC is drawn with slot, and interfaces such as PS2, Boot Rom, floppy drive can be provided by adapter
The AC97 controller of SOC connects a LM4549 CODEC chip, provides a stereo output port, a monophony input port
The IDE passage of SOC connects one 40 needle interface, supports two IDE equipment at most
Use MAX3223 RS-232 transceiver to realize the level conversion of two serial ports
Three USB 1.0 ports are directly connected on the built-in controller of SOC, and one of them port connects the IC-card card reader, and two ports connect other USB device such as mouse, keyboard in addition
On the SUB-ISA bus that SOC provides, connect DOC (Disk-On-Chip) chip and high capacity BIOS; Other adds a DEBUG indicating circuit, uses two charactrons of EPM7128 control, shows 256 kinds of states at most
With network computer (NC) compact conformation of the inventive method design, powerful, power consumption minimum (the core processor power consumption 1W that the SOC chip is integrated).The mainboard size only is 19 * 19cm, only needs to use a small-sized cabinet and small-sized ATX power supply, and total system does not need the fan heat radiation, and NC mainboard material object as shown in Figure 2.
Native system has four kinds of mode of operations: common PC pattern, non-disk workstation pattern, WindowsTerminal pattern and Browser pattern:
One, common PC pattern: the NC and the common PC of working under this pattern are as broad as long, except can only connecing an IDE equipment.But be subjected to the restriction of NC machine cpu performance, the application under this pattern is more limited.
Two, non-disk workstation pattern: any local drive is not installed, master BIOS gives control the Boot ROM program of network interface card when the pilot operationp system, use the PXE remote boot agreement of Intel, by Ethernet from the server guidance system, file system also is the network file system(NFS) that server provides, application program can all be moved on this machine, is equivalent to connect a remote disk drive.The operating system that can move under this pattern has Windows 9X (needing the tool software LiteNET PC by Qualystem company) and Linux at present.Hardware connects as accompanying drawing 3.
Three, Windows Terminal pattern: this pattern and non-disk workstation pattern are basic identical, on hardware connects both identical (accompanying drawings 3).When but NC works under this pattern, after server remote boot operating system, can start graphic terminal software, (provide the apps server of Terminal Service can continue to use the server that the remote activation service is provided as graphic terminal NC, also can finish with the server of another platform independent), with the input of the keyboard and mouse of server with show the NC machine of export orientation on the LAN (Local Area Network).At this moment all application programs (simulation figure terminal used communication software except) are all moved on the CPU of server and internal memory, and NC only is responsible for the inputs of graphic presentation and control desk.
Four, Browser pattern: this pattern also is similar to the non-disk workstation, and local drive is not installed.But the NC under this pattern of being operated in needs the Firm Ware of larger capacity, solidify a small-scale simple operations system and browser therein, lead operating system, start browser subsequently at this power traction, utilize it and server communication, finish the view Internet page or leaf and carry out other work.
Native system is with an IC-card card reader in addition, is connected on the USB mouth, realizes the authentification of user function, as shown in Figure 4.Storing subscriber information in the IC-card, when the user inserted IC-card in the card reader, system can read the content of storing in the IC-card automatically, then according to user's identity information, gave corresponding authority.If the user do not insert IC-card as yet, then system can't logging in network, thereby also can't finish any work.
Claims (4)
1. network computer method for designing and realization thereof based on a SOC is characterized in that, this method is used single SOC chip, construct a multi-functional computer system, substitute present baroque multichip system.
2. network computer method for designing and realization thereof based on SOC as claimed in claim 1 is characterized in that, use single SOC chip.
3. network computer method for designing and realization thereof based on SOC as claimed in claim 1 is characterized in that, have multiple mode of operations such as common PC pattern, non-disk workstation pattern, Windows Terminal pattern and Browser pattern.
4. network computer method for designing and realization thereof based on SOC as claimed in claim 1 is characterized in that, have to use IC-card to carry out the function of authentification of user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021578907A CN1510591A (en) | 2002-12-20 | 2002-12-20 | Network computer design method and realization based on SOC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021578907A CN1510591A (en) | 2002-12-20 | 2002-12-20 | Network computer design method and realization based on SOC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1510591A true CN1510591A (en) | 2004-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021578907A Pending CN1510591A (en) | 2002-12-20 | 2002-12-20 | Network computer design method and realization based on SOC |
Country Status (1)
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| CN (1) | CN1510591A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100442203C (en) * | 2006-05-26 | 2008-12-10 | 中国科学院计算技术研究所 | Power consumption reduction method for intellectual core and functional module for chip system |
-
2002
- 2002-12-20 CN CNA021578907A patent/CN1510591A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100442203C (en) * | 2006-05-26 | 2008-12-10 | 中国科学院计算技术研究所 | Power consumption reduction method for intellectual core and functional module for chip system |
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