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PC 730/750 SERIES (TYPE 6877, 6887)

IBM CORPORATION

PC 730/750 SERIES (TYPE 6877, 6887)

Processor

Pentium

Processor Speed

75/90/100/120/133/150/166MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

256/512KB

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VESA pass through connector, VGA port, riser slot, cache slot, IR connector, VRM connector, DSP audio connector, external ring wake up connector, modem ring connector, LAN wake up connector, on/off switch connector, tamper connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

VGA port

CN1

Speaker

J3

Parallel port

CN2

IDE interface LED

J4

Serial port 2

CN3

Power LED

J5

Serial port 1

CN4

Modem ring connector

J9

PS/2 mouse port

CN5

External ring wake up connector

J13

IR connector

CN6

LAN wake up connector

J14

IDE interface 2

CN7

On/off switch connector

J18

IDE interface 1

CN8

Tamper connector

J19

Floppy drive interface

CN9

Riser slot

SL1

VESA pass through connector

CN10

Cache slot

SL2

DSP audio connector

J2

VRM connector

VRM

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured - do not alter

J1

Unidentified

Password enabled

J15

Pins 1 & 2 closed

 

Password disabled

J15

Pins 2 & 3 closed

System administrator password enabled

SW1/5

On

 

System administrator password disabled

SW1/5

Off

Floppy drive write protect disabled

SW1/6

Off

 

Floppy drive write protect enabled

SW1/6

On

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

16MB

None

None

(1) 2M x 64

16MB

(2) 1M x 36

(2) 1M x 36

None

24MB

None

(2) 1M x 36

(1) 2M x 64

24MB

(2) 1M x 36

None

(1) 2M x 64

32MB

None

None

(1) 4M x 64

32MB

(2) 2M x 36

(2) 2M x 36

None

40MB

(2) 1M x 36

(2) 2M x 36

(1) 2M x 64

40MB

None

(2) 1M x 36

(1) 4M x 64

48MB

(2) 1M x 36

(2) 1M x 36

(1) 4M x 64

64MB

(2) 2M x 36

(2) 2M x 36

(1) 4M x 64

72MB

(2) 1M x 36

(2) 4M x 36

(1) 4M x 64

80MB

(2) 2M x 36

(2) 4M x 36

(1) 4M x 64

96MB

(2) 4M x 36

(2) 4M x 36

(1) 4M x 64

128MB

(2) 4M x 36

(2) 8M x 36

(1) 4M x 64

CACHE CONFIGURATION

Size

SL1

256KB

256KB module installed

512KB

512KB module installed

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

75MHz

50MHz

1.5x

Off

Off

On

On

90MHz

60MHz

1.5x

Off

Off

On

Off

100MHz

66MHz

1.5x

Off

Off

Off

On

120MHz

60MHz

2x

On

Off

On

Off

133MHz

66MHz

2x

On

Off

Off

On

150MHz

60MHz

2.5x

On

On

On

Off

166MHz

66MHz

2.5x

On

On

Off

On