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PC 730, PC 750

IBM CORPORATION

PC 730, PC 750

Processor

Pentium

Processor Speed

60/90MHz

Chip Set

Unidentified

Video Chip Set

Unidentified

Maximum Onboard Memory

192MB

Maximum Video Memory

Unidentified

Cache

256/1024KB

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, riser slot, CD-ROM audio interface, audio line in connector, audio line out connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Audio line out connector

CN1

Floppy drive interface

CN8

Audio line in connector

CN2

IDE interface

CN9

PS/2 mouse port

CN3

IDE interface

CN10

Serial port

CN4

CD-ROM audio interface

JP1

Serial port

CN5

On/off switch connector

J37

Parallel port

CN6

On/off switch power supply connector

J38

VGA port

CN7

Riser slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

60/66

Unidentified

 

Jumper information unavailable

J1

Unidentified

 

Jumper information unavailable

J2

Unidentified

 

PS/2 mouse enabled

J28

Pins 1 & 2 closed

 

PS/2 mouse disabled

J28

Pins 2 & 3 closed

»

Modem answers on ring

MRD

Pins 2 & 3 closed

 

Modem does not answer on ring

MRD

Pins 1 & 2 closed

»

Password normal operation

PWD

Pins 1 & 2 closed

 

Password clear

PWD

Pins 2 & 3 closed

»

Floppy drive write protect disabled

WP

Pins 1 & 2 closed

 

Floppy drive write protect enabled

WP

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(2) 1M x 36

None

None

16MB

(2) 1M x 36

(2) 1M x 36

None

16MB

(2) 2M x 36

None

None

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 1M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

None

32MB

(2) 4M x 36

None

None

40MB

(2) 2M x 36

(2) 2M x 36

(2) 1M x 36

40MB

(2) 4M x 36

(2) 1M x 36

None

48MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

48MB

(2) 4M x 36

(2) 2M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

None

64MB

(2) 8M x 36

None

None

72MB

(2) 4M x 36

(2) 4M x 36

(2) 1M x 36

72MB

(2) 8M x 36

(2) 1M x 36

None

80MB

(2) 4M x 36

(2) 4M x 36

(2) 2M x 36

80MB

(2) 8M x 36

(2) 2M x 36

None

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

96MB

(2) 8M x 36

(2) 4M x 36

None

128MB

(2) 8M x 36

(2) 8M x 36

None

136MB

(2) 8M x 36

(2) 8M x 36

(2) 1M x 36

144MB

(2) 8M x 36

(2) 8M x 36

(2) 2M x 36

160MB

(2) 8M x 36

(2) 8M x 36

(2) 4M x 36

192MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(8) 32K x 8

Unidentified

1MB

(8) 64K x 8

Unidentified

CACHE JUMPER CONFIGURATION

Size

J3

J4

J5

J6

256KB

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

1MB

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

VIDEO MEMORY CONFIGURATION

Size

Bank 0

1MB

(2) 256K x 16

Note: The maximum memory size is unidentified. This configuration is for an upgrade.

CPU BUS - CORE SELECTION

Bus - Core

J101

J101

1/2

Pins 2 & 3 closed

Closed

2/3

Pins 1 & 2 closed

Open

Note: Depending on board version, J101 will be either a 2-pin or 3-pin jumper.