CN2452049Y

CN2452049Y - PCI plug-in card being as computer software carrier

Info

Publication number: CN2452049Y
Application number: CN 00209881
Authority: CN
Inventors: 刘海全
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-04-26
Filing date: 2000-04-26
Publication date: 2001-10-03
Anticipated expiration: 2010-04-26

Abstract

The utility model relates to a cheap PCI plug-in card for a computer spreading BIOS software carrier, which comprises a control chip and a Boot ROM, wherein, the control chip comprises a plurality of output control signals. The output control signals are connected with corresponding parts according to the respective functions of the output control signals. One or more than one output control signal in the control chip is taken as page address signals of the Boot ROM, and are coupled in a storage Boot ROM. The product has the advantages of simplification and practicality. Stronger function of the computer spreading BIOS software can be realized on the basis of low cost.

Description

PCI plug-in card as the computer software carrier

The utility model is a kind of PCI plug-in card as computing machine expanded BIOS software carrier.

Computer BIOS software is the software in the electronic chip (being commonly called as the BIOS chip) that is solidificated on the computer motherboard, it finishes power-on self-test, equipment disposition and the opening initialization of computing machine, at the software interface that sets various hardware devices (such as keyboard, display, hard disk, floppy drive or the like) so that after operating system and accessible with application software and the control, it is sought and starts the operating system, and further control is transferred to operating system manage.

Some computer software; telecommunication network such as the non-disk workstation starts software, early stage anti-virus software, start shooting password authentication software, hard disk data protection software or the like; they need just take over the control of part computer hardware before os starting, and finished some function.The common name of these softwares is exactly a computing machine expanded BIOS software, and they are the expansion and the extension of computer BIOS software, equally with computer BIOS software be solidificated in the electronic chip, want and computing machine expanded function plug-in card bundles production and selling.The early stage antivirus card and the hard disk protecting card of current trend are exactly this class computer product.

ISA/EISA is the early stage industrial standard of computing machine, and computing machine expanded function ISA plug-in card is as the carrier of computing machine expanded BIOS software, simplicity of design not only, and (can in 20 yuan of Renminbi) with low cost.But, along with eliminating and PCI standard popular of ISA/EISA standard, there has not been the slot of ISA/EISA standard on a lot of computer motherboards, force computing machine expanded function plug-in card to have to adopt the PCI standard.Since the PCI standard design a lot of Premium Features, the PCI plug-in card must be finished these functions with special hardware interface chip, thus the PCI plug-in card not only design than ISA/EISA plug-in card complexity many, and cost also significantly improves.Be subjected to the problem of Boot ROM capacity limit, directly use the carrier of the cheap network interface card of band Boot ROM as computing machine expanded BIOS software, computing machine expanded BIOS software can only be realized limited function, and, output control signal in this cheap network interface card on the control chip only is to be connected with corresponding parts according to its function separately, and it does not have being connected of reality of any extendability with Boot ROM.

In order to address the above problem, the purpose of this utility model is to provide a kind of PCI plug-in card that uses the cheap network interface card of band BootROM as computing machine expanded BIOS software carrier, thereby makes the Boot ROM of this cheap PCI plug-in card can solidify the more computing machine expanded BIOS of code software.Like this, computing machine expanded BIOS software just can be realized more strong functions on basis cheaply, and can design the installation and the use of software simple more, understand, intelligent, hommization.

Solution of the present utility model is: as the PCI plug-in card of computer software carrier, comprise the control chip and the storer Boot ROM that support storer Boot ROM, control chip comprises several output control signals, Boot rom chip socket is provided with a plurality of pins, described output control signal is connected with corresponding parts according to its function separately, and at least one in the described control chip or a plurality of output control signal are as Boot ROM page address signal incoming memory Boot ROM again.

Described output control signal can be the control signal of the configuration information that reads or revise pci bus interface and network control or/and light the control signal of pilot lamp during network connection.

With the pin of the described corresponding Boot rom chip of output control signal socket as Boot ROM page address signal ground connection and connect power supply respectively also.

Described output control signal can be connected with the address signal in the Boot rom chip.

Pass through programming software, keeping under the constant situation of selected output control signal original function, change the page address signal, to support at least one or a plurality of output control signal in the control chip of Boot ROM to be defined as Boot ROM page address signal again, under the control of programming software, the page address signal is made up by certain form (as the scale-of-two or the decimal system etc.), make it corresponding different respectively Boot ROM pages or leaves with several, the max cap. of each Boot ROM page or leaf has certain value, the max cap. of the Boot ROM that increase-volume is later is exactly 2 times of this definite value or 4 times or 8 times etc., as long as can control the non-address signal of output type of described output control signal state exactly with software programming, can be used as the page address signal, realize the increase-volume of storer Boot ROM and be used for computing machine expanded BIOS software carrier, the maximum multiple of increase-volume is the power of 2 page address number of signals, such as three page address signals are arranged, then the maximum multiple of increase-volume is 2 ³=8.

The utility model product is simple, practical, with low cost, and computing machine expanded BIOS software just can be realized more strong functions on basis cheaply, and can design the installation and the use of software simple more, understand, intellectuality, hommization.

Below by specific embodiment the utility model is described in detail:

Fig. 1 selects the connection diagram of two output control signals as the control chip and the Boot ROM of page address signal;

Fig. 2 is for selecting the window mapping graph of the BootROM behind the former Boot ROM and increase-volume after two output control signals;

Fig. 3 selects the connection diagram of an output control signal as the control chip and the Boot ROM of page address signal among another embodiment;

Fig. 4 selects the connection diagram of an output control signal as the control chip and the Boot ROM of page address signal among the another embodiment.

Fig. 5 is the PCI plug-in card one-piece construction synoptic diagram that mounting and fixing support is arranged;

Fig. 6 is the PCI plug-in card one-piece construction synoptic diagram of cancellation mounting and fixing support.

Select the cheap network interface card of the PCI standard FDX Ethernet network control chip RTL8029AS of Taiwan Realtek company production for use as pci bus interface chip and network control chip, the present invention is keeping under the constant prerequisite of the original overall network function of this network interface card, the max cap. of the BootROM of this network interface card can be risen to 64KB or 128KB from 32KB, thereby the Boot ROM that makes this type network interface card can solidify the more computing machine expanded BIOS of code software, such computing machine expanded BIOS software just can be realized more strong functions, and can design the installation and the use of software simpler, understand, intelligent, hommization.

With reference to figure 1 and Fig. 2, the PCI plug-in card comprises control chip 1 (RTL8029AS) and the storer 2 (BootROM) of supporting storer Boot ROM, control chip 1 comprises three output control signals, they are respectively read-write control signal BOE#, EECS, light the control signal LED BNC of pilot lamp during network connection, BOE# is used to control reading of Boot ROM, EECS be used to control pci bus interface and network control configuration information storage chip EEPROM read-write and insert EEPROM, Boot rom chip socket is provided with a plurality of pins, with two outputs control signal EECS and LED_BNC as Boot ROM page address signal and with its incoming memory Boot ROM.Control chip RTL8029AS only provides [MA14...MA0] totally 15 address signals, and the max cap. that can visit is 2 ¹⁵=2 ⁵* 2 ¹⁰=2 ⁵The K=32K byte, EECS and LED BNC two signals are connected with address signal A16, A15 among the Boot ROM respectively, the address signal of Boot rom chip is 17, correspondingly, the pin one ground connection that increases newly on the Boot rom chip socket, pin 31, pin 30 connect power supply, A16 also newly adds, A15 just had originally, original Boot rom chip socket is 28 pin, increase by 4 pins after, Boot rom chip socket of the present utility model just has 32 pins, cost increases less than 1%, in 0.5 yuan of Renminbi.Programming software keeps EECS, LED BNC two signal original functions are not affected, and these two signals are defined as Boot ROM page address signal [PAGEA1 again, PAGEA0], these two page address signals have 00 by scale-of-two, 01,10,11 (decimal system is 0,1,2,3) four kinds of combinations, correspond respectively to four different Boot ROM pages or leaves, we are referred to as the 0th with it, 1,2,3 pages, the max cap. of each BootROM is the 32K byte, so the max cap. of the Boot ROM that increase-volume is later is exactly 4 * 32K=128K byte, as taking pictures, from the window 3 of same 32K byte, by changing EECS, the page address signal of LED_BNC, be EECS and LED_BNC two signals respectively with Boot ROM in A16, the connection of A15, we can see four different zones with different content, promptly window 4.Conversely, present embodiment is exactly with the Boot ROM that a capacity is the 128K byte Boot ROM page or leaf that to be divided into four capacity be the 32K byte, be connected with Boot ROM's by EECS, LED_BNC two signals then, Boot ROM with the original 32K byte of control chip RTL8029AS is each Boot ROM page or leaf of window access, thereby realizes the increase-volume of BootROM.

Change the page address signal and finished by software, during electrifying startup, EECS=0 under disposing usually, also has LED_BNC=0, so [PAGEA1, PAGEA0]=00, what 32KBBoot ROM window was selected is first page of Boot ROM page or leaf.The software programming of RTL8029AS is disclosed, by control chip RTL8029AS is carried out software programming, because EECS, LED_BNC are connected with Boot ROM's, its state can be changed and keep original function at an easy rate, software just can be visited the content of other three Boot ROM pages or leaves like this, thereby realizes the purpose of increase-volume.

With reference to figure 3, the utility model also can insert Boot ROM with an output control signal, can reach the effect of increase-volume equally, at control chip 5 (RTL8029AS) and storer 6 (BootROM), EECS or LED_BNC are connected with A15 among the BootROM, and can not do to change to original 28 pin Boot ROM just can be by the 32K increase-volume to the 64K byte.

With reference to figure 4, the PCI network control chip 7 (RTL8139) of selecting for use Taiwan Realtek company to produce, its original storer 8 (Boot ROM) of supporting 128KB, Boot rom chip socket was exactly 32 pins originally, under the situation of not doing to change, only select for use control signal EECS to insert Boot ROM, promptly the EECS as the page address signal is connected with A17, can make Boot ROM by original 125KB increase-volume to 256KB.Certainly, adopt the utility model, also can make its increase-volume to more.

With reference to figure 5 and Fig. 6, control chip 9 and storer 10 (Boot ROM and EEPROM) can be arranged on all types of the PCI plug-in card 11 or PCI plug-in card 12, and the bottom of PCI plug-in card is a pin.

Claims

1. PCI plug-in card as the computer software carrier, comprise the control chip and the storer Boot ROM that support storer BootROM, control chip comprises several output control signals, Boot rom chip socket is provided with a plurality of pins, described output control signal is connected with corresponding parts according to its function separately, and at least one in the described control chip or a plurality of output control signal are as Boot ROM page address signal incoming memory BootROM again.

2. the PCI plug-in card as the computer software carrier as claimed in claim 1 is characterized in that: described output control signal is to read the control signal of configuration information of pci bus interface and network control or/and light the control signal of pilot lamp during network connection.

3. the PCI plug-in card as the computer software carrier as claimed in claim 1 or 2 is characterized in that: with the pin of the described corresponding Boot rom chip of output control signal socket as Boot ROM page address signal ground connection and connect power supply respectively.

4. the PCI plug-in card as the computer software carrier as claimed in claim 3 is characterized in that: the model of described control chip is RTL8029AS.

5. the PCI plug-in card as the computer software carrier as claimed in claim 3 is characterized in that: the model of described control chip is RTL8139.

6. the PCI plug-in card as the computer software carrier as claimed in claim 4 is characterized in that: the number of pins of described Boot rom chip socket is 32.

7. the PCI plug-in card as the computer software carrier as claimed in claim 4 is characterized in that: the number of pins of described Boot rom chip socket is 28.

8. the PCI plug-in card as the computer software carrier as claimed in claim 5 is characterized in that: the number of pins of described Boot rom chip socket is 32.

9. the PCI plug-in card as the computer software carrier as claimed in claim 3 is characterized in that: described output control signal is connected with address signal in the Boot rom chip.

10. the PCI plug-in card as the computer software carrier as claimed in claim 6 is characterized in that: described Boot rom chip has 17 address signals.