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Chapter 1. System Description

System Board

The following is a diagram of the PC 100 and PC 300 system board. Note that the system board for
these computers might differ slightly from the one shown. A diagram of the system board, including switch
and jumper settings, is provided on the underside of the computer cover.

.1/

J3 Power connector (5 V)

.2/

JP11 Flash jumper

.3/

JP21 FDD write protect

.4/

JP4 PS/2 mouse enable/disable

.5/

J5 Diskette drive connector

.6/

JP23 HDD detect

.7/

J8 Primary IDE connector

.8/

J7 Secondary IDE connector

.9/

Battery

.1ð/

J9 Password jumper (CMOS clear)

.11/

L2 cache memory sockets

.12/

JP22 Burst mode

.13/

JP19 CPU voltage

.14/

Processor socket

.15a/

J12 Power LED connector

.15b/

J12 Hard disk drive LED connector

.16/

J13 CPU fan connector

.17/

JP17 CPU clock

.18/

SIMM connector 1 - Bank 1

.19/

SIMM connector 2 - Bank 1

.2ð/

SIMM connector 3 - Bank 0

.21/

SIMM connector 4 - Bank 0

.22/

Tag RAM socket

.23/

J6 Video feature connector

.24/

JP13 Cache memory size

.25/

JP14 CPU bus clock

.26/

JP3 On-board VGA

.27/

P4 Monitor (display) port

.28/

P1 Parallel port

3

.29/

Video memory sockets

.3ð/

P2 Serial (B) port

.31/

PCI/ISA riser connector

.32/

P3 Serial (A) port

.33/

J2 Auxiliary device (mouse) port

.34/

J1 Keyboard port

Figure 2. System Board Diagram

25

1

33 34

2

3

4

5

6

7

8

9

10

12

13

11

15a

15b

14

16

17

18

19

20

21

22

23

23

24

26

27

29 30 31 32

32

28

3

Extended capabilities port/enhanced parallel port (ECP/EPP)

6

Technical Information Manual

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Содержание PC 100

Страница 1: ...IBM Technical Information Manual PC 100 Type 6260 and PC 300 Type 6560 S78H 5142 00...

Страница 2: ......

Страница 3: ...IBM Technical Information Manual PC 100 Type 6260 and PC 300 Type 6560 S78H 5142 00...

Страница 4: ...Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication IBM may make improvements and or changes in the product s and or the progr...

Страница 5: ...Chapter 2 Connectors and Jumpers 15 System Board Connectors 16 Diskette Drive Connector 16 Hard Disk Drive Connectors Primary Secondary 17 ISA Connectors 18 PCI Connectors 19 Power Supply Connectors 2...

Страница 6: ...Chapter 5 Bus Architecture 36 Bus Architecture Descriptions 37 ISA Bus 37 PCI Bus 38 Expansion Bus Features 38 Bus Voltage Levels 39 Appendix A Error Codes 40 POST Error Codes 40 Beep Codes 42 Append...

Страница 7: ...gnments 20 18 Power Supply Connector System Board Signal and Pin Assignments 20 19 System Board Memory Connector Signal and Pin Assignments 21 20 Video Feature Connector 22 21 Keyboard Signal and Pin...

Страница 8: ...hat should not be changed Use of reserved areas can cause compatibility problems loss of data or permanent damage to the hardware When the contents of a register are changed the state of the reserved...

Страница 9: ...Memory Map 7 Input Output Address Map 7 DMA I O Address Map 9 IRQ and DMA Channel Assignments 10 Interrupt Request Assignments IRQ 10 DMA Channel Assignments 10 Power Supply 11 Power Output Parameters...

Страница 10: ...croprocessor Up to 128 MB of system memory Cirrus GD5436 video subsystem 1 MB of video memory with sockets for additional 1 MB Industry standard compatibility ISA PCI I O bus compatibility ISA PCI exp...

Страница 11: ...ial Ports Hard Disk Drive CD ROM Parallel Port Video Port Diskette Drive EIDE Control Video Control DRAM Riser Card ISA PCI Slots Memory DRAM Controls Memory L2 Cache PCI L2 Cache SRAM Sockets Micropr...

Страница 12: ...Sockets for additional 1 MB Bus Architecture ISA PCI bus compatible I O expansion slots Synchronous 25 30 33 MHz PCI bus 50 60 66 MHz processor bus Integrated L2 cache controller Flash ROM Subsystem 2...

Страница 13: ...Port Controller One ECP EPP parallel port Supports standard I O mode extended capabilities port ECP mode and enhanced parallel port EPP mode Serial Port Controller Two 16550 UART serial ports Serial...

Страница 14: ...rst mode 13 JP19 CPU voltage 14 Processor socket 15a J12 Power LED connector 15b J12 Hard disk drive LED connector 16 J13 CPU fan connector 17 JP17 CPU clock 18 SIMM connector 1 Bank 1 19 SIMM connect...

Страница 15: ...rved 800K 895K C8000 DFFFF 96K Available HI DOS memory open to ISA and PCI bus 640K 799K A0000 C7FFF 160K Video memory and BIOS 512K 639K 80000 9FFFF 128K Extended 0K 511K 00000 7FFFF 512K DOS applica...

Страница 16: ...ette change 03F7 bits 6 0 IDE channel 0 03F8 03FF SMC FD 37C669 serial port 1 system board 0400 0537 Available I O for ISA PCI bus 0CF8 0CFB PCI configuration address register 0CFC 0CFF PCI configurat...

Страница 17: ...pointer write N A 000D Channels 0 3 Master clear write temp read 00 07 000E Channels 0 3 Clear Mask register write 00 03 000F Channels 0 3 Write All Mask register bits 00 03 0081 Channel 2 Page Table...

Страница 18: ...nternal timer 1 Reserved keyboard buffer full 2 Reserved cascade interrupt from slave 3 Serial port 2 4 Serial port 1 5 Parallel port 2 6 Diskette controller 7 Parallel port 1 8 Reserved real time clo...

Страница 19: ...he power supply dc outputs shown in the following figure include the current supply capability of all the connectors including system board DASD PCI and auxiliary outputs Figure 8 AC Input Power Requi...

Страница 20: ...dc outputs into a shutdown state with no damage to the power supply If this shutdown state occurs the power supply returns to normal operation only after the fault has been removed and the power switc...

Страница 21: ...10 ft Air Temperature System on 10 0 to 32 0 C 50 to 90 F System off 10 0 to 43 0 C 50 to 110 F Humidity System on 8 to 80 System off 8 to 80 Maximum Altitude 2133 6 m 7000 ft Heat Output Minimum con...

Страница 22: ...marizes APM modes The BIOS supports APM Version 1 2 This enables the system to enter a power managed state which reduces the power drawn from the ac wall outlet Advanced Power Management is enabled th...

Страница 23: ...ISA Connectors 18 PCI Connectors 19 Power Supply Connectors 20 System Board Memory Connectors 21 Video Feature Connector 22 I O Connectors 23 Keyboard and Auxiliary Device Mouse Connectors 23 Serial...

Страница 24: ...skette drive connector Figure 13 Diskette Drive Connector Signal and Pin Assignments Pin Signal Pin Signal 1 Ground 2 High density select 3 Ground 4 Not connected 5 Ground 6 Drive type 7 Ground 8 Inde...

Страница 25: ...rough A15 equal to 03F6h through 03F7h HFCS1 0376h through 0377h HFCS3 for a secondary hard disk drive goes active The following figure shows the signal and pin assignments for the EIDE connectors Fig...

Страница 26: ...D4 SD3 SD2 SD1 SD0 I OCHRDY AEN SA19 SA18 SA17 SA16 SA15 SA14 SA13 SA12 SA11 SA10 SA9 SA8 SA7 SA6 SA5 SA4 SA3 SA2 SA1 SA0 MEMCS16 I OCS16 IRQ10 IRQ11 IRQ12 IRQ15 IRQ14 DACK0 DRQ0 DACK5 DRQ5 DACK6 DRQ6...

Страница 27: ...ddress Data 28 22B Ground 23A Address Data 26 23B Address Data 27 24A Ground 24B Address Data 25 25A Address Data 24 25B 3 3 V dc not connected 26A IDSEL 26B C BE 3 27A 3 3 V dc not connected 27B Addr...

Страница 28: ...ess Data 2 57B Ground 58A Address Data 0 58B Address Data 1 59A 5 V dc I O 59B 5 V dc I O 60A REQ64 60B ACK64 61A 5 V dc 61B 5 V dc 62A 5 V dc 62B 5 V dc The 3 3 volt PCI bus pins are attached to a co...

Страница 29: ...Data 3 44 Row address strobe 0 9 Data 19 45 Row address strobe 1 10 5 V dc 46 Reserved 11 Reserved 47 Write enable 12 Address 0 48 Reserved 13 Address 1 49 Data 8 14 Address 2 50 Data 24 15 Address 3...

Страница 30: ...l and pin assignments for the video feature connector Figure 20 Video Feature Connector Pin Signal Pin Signal 1 Ground 2 Data 0 3 Ground 4 Data 1 5 Ground 6 Data 2 7 Data enable 8 Data 3 9 Sync enable...

Страница 31: ...r Serial B Keyboard and Auxiliary Device Mouse Connectors The keyboard and auxiliary device mouse connectors use 6 pin miniature DIN connectors 6 4 2 1 3 5 Figure 21 Keyboard Signal and Pin Assignment...

Страница 32: ...request line which determines how the microprocessor responds to an interrupt from the serial port The four available port settings in sequential order are 3F8h IRQ 3 or 4 2F8h IRQ 3 or 4 3E8h IRQ 3 o...

Страница 33: ...a standard 25 pin D shell connector The following figure shows the signal and pin assignments for the parallel port connector 13 1 25 14 The parallel port supports extended high speed modes which mean...

Страница 34: ...in use an LPT number is not assigned to it POST assigns the next available LPT number to the next address in use The port address and IRQ setting for the built in parallel port are preset at the facto...

Страница 35: ...to the ECP mode The main difference between the two modes is that EPP data transfers are processor initiated instead of DMA initiated EPP supports the connection of up to eight external devices such...

Страница 36: ...Chapter 3 Memory Subsystems Chapter 3 Memory Subsystems Memory Module Description 29 Memory Module Configurations 29 Cache Memory 30 Cache Upgrade Options 30 28 Copyright IBM Corp August 1996...

Страница 37: ...s show the typical memory module configurations for the PC 100 and PC 300 Figure 26 Memory Module Type Speed and Size PC 100 Type Speed Memory Module Size Fast page 70 ns 4 MB 8 MB 16 MB 32 MB Figure...

Страница 38: ...The on board L2 cache and tag ram sockets can be populated to a maximum of 256 KB The cache design is direct mapped 1 way associative write back and the cache is unified data and code Refer to the fol...

Страница 39: ...lity Hardware Compatibility 32 Hardware Interrupts 32 Diskette Drives and Controller 33 Hard Disk Drives and Controller 34 Software Compatibility 34 Software Interrupts 34 Machine Sensitive Programs 3...

Страница 40: ...use the BIOS as an interface to hardware to provide maximum compatibility and portability of applications among systems Hardware Interrupts Hardware interrupts are level sensitive for PCI interrupts a...

Страница 41: ...t controller that finishes servicing the IRQ2 request Diskette Drives and Controller The following figures show the reading writing and formatting capabilities of each type of diskette drive Notes 1 D...

Страница 42: ...t polling mechanism that is used by IBM Personal Computer products is retained Software that interfaces with the reset port for the IBM Personal Computer positive edge interrupt sharing hex address 02...

Страница 43: ...ersion 1 0A Desktop Management Interface DMI Version 2 0 PC 300 computers support the following industry standard BIOS interfaces Advanced Power Management APM Version 1 2 Plug and Play PnP Version 1...

Страница 44: ...itecture Chapter 5 Bus Architecture Bus Architecture Descriptions 37 ISA Bus 37 PCI Bus 38 PCI Performance 38 PCI Peripheral Devices 38 Expansion Bus Features 38 Bus Voltage Levels 39 36 Copyright IBM...

Страница 45: ...r throughput by speeding up the I O bus and widening its data path PCI is intended to add to but not replace the capability of the ISA bus In fact most personal computers today need only three PCI con...

Страница 46: ...nd computer components used the PCI bus can transfer data at speeds up to 132 MB per second While many factors can reduce practical performance achieving just half or a third of the PCI maximum theore...

Страница 47: ...e 16 on page 19 For additional information see the PCI Local Bus Specification published by the PCI Special Interest Group Bus Voltage Levels Four voltage levels are provided for I O adapters The maxi...

Страница 48: ...essor test error 121 Hardware error 151 Real time clock failure 161 Bad CMOS battery 162 CMOS RAM checksum configuration error 163 Clock not updating 164 CMOS RAM memory size does not match 167 Clock...

Страница 49: ...apter has requested an unavailable I O address space or a defective adapter 1803 PCI adapter has requested an unavailable memory address space or a defective adapter 1804 PCI adapter has requested una...

Страница 50: ...e 1 1 4 BIOS ROM checksum failure 1 2 1 Programmable interval timer test failure 1 2 2 DMA initialization failure 1 2 3 DMA page register write read test failure 1 2 4 RAM refresh verification failure...

Страница 51: ...lly protectable rights any functionally equivalent product program or service may be used instead of the IBM product program or service The evaluation and verification of operation in conjunction with...

Страница 52: ...asterisk may be trademarks or service marks of others AT Personal System 2 PC 100 PS 2 PC 300 XT Personal Computer AT 1 2 3 Lotus Development Corporation CA Computer Associates Cirrus Cirrus Logic Inc...

Страница 53: ...ra CA PCI Local Bus Specification Source PCI Special Interest Group Hillsboro OR Personal System 2 and Personal Computer BIOS Interface Technical Reference Source IBM Personal System 2 ATA IDE Fixed D...

Страница 54: ...board 23 memory 21 monitor 27 mouse 23 parallel port 25 PCI 19 power supply 20 serial port 24 controller diskette drive 5 DMA 4 hard disk drive 5 interrupt 4 keyboard auxiliary device 5 parallel port...

Страница 55: ...9 input power requirements 11 interrupt controller 4 request assignments 10 ISA connectors 18 controller 39 expansion slots 38 ISA PCI interface 4 J jumper locations system board 6 K keyboard and aux...

Страница 56: ...ory modules 29 single inline memory modules SIMMs 29 size system unit 13 software compatibility 34 interrupts 34 specifications physical 13 standard mode parallel port 27 system description 2 system c...

Страница 57: ......

Страница 58: ...IBM Part Number 78H5142 Printed in U S A 78H5142 S78H 5142...

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