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PS/2 MODEL 76 (TYPE 9576)

IBM CORPORATION

PS/2 MODEL 76 (TYPE 9576)

Processor

80486SX/80486DX2

Processor Speed

25/33/66(internal)MHz

Chip Set

IBM

Max. Onboard DRAM

32MB

Cache

None

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

MCA slot, floppy drive interface, SCSI connector, parallel port, PS/2 mouse port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

J1

SCSI interface

J7

Parallel port

J3

Control panel connector

J19

Serial port 1

J4

Floppy drive interface

J21

Serial port 2

J5

MCA slot

SL1

SCSI port

J6

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CMOS memory normal operation

JMP1

Open

 

CMOS memory clear

JMP1

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 1M x 36

NONE

NONE

NONE

5MB

(1) 1M x 36

(1) 256K x 36

NONE

NONE

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

NONE

7MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 4M x 36

NONE

NONE

NONE

17MB

(1) 4M x 36

(1) 256K x 36

NONE

NONE

18MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

NONE

19MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

20MB

(1) 4M x 36

(1) 1M x 36

NONE

NONE

21MB

(1) 4M x 36

(1) 1M x 36

(1) 256K x 36

NONE

22MB

(1) 4M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

24MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

NONE

25MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

28MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

CPU SPEED CONFIGURATION

Speed

SPD

25MHz

pins 1 & 2 closed

33MHz

pins 2 & 3 closed

Note: Jumper SPD is only on SX based boards.