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PC SERVER 300 (TYPE 8640) OPO, 1P0, OPT, 1PT

IBM CORPORATION

PC SERVER 300 (TYPE 8640) OPO, 1P0, OPT, 1PT

Processor

Pentium

Processor Speed

60MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

192MB

Maximum Video Memory

None

Cache

256/512KB

BIOS

Unidentified

Dimensions

355mm x 304mm

I/O Options

32-bit PCI slots (3), floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J11

IDE interface

J22

PS/2 mouse port

J15

Auxiliary power

P3

Parallel port

J18

Power LED

W9

Floppy drive interface

J19

IDE interface LED

W10

Serial port 1

J20

32-bit PCI slots

PC1 PC3

Serial port 2

J21

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

Parity check enabled

J1

Closed

 

Parity check disabled

J1

Open

Cache type select write back

J2

Open

 

Cache type select write through

J2

Closed

Oscillator for U15

J6

Pins 1 & 2 closed

 

Clock synthesizer

J6

Pins 2 & 3 closed

BIOS normal operation

W2

Pins 2 & 3 closed

 

BIOS recovery mode

W2

Pins 1 & 2 closed

PS/2 mouse enabled

W6

Closed

 

PS/2 mouse disabled

W6

Open

Factory configured - do not alter

W20

Pins 2 & 3 closed

SIMM 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

32MB

(2) 2M x 36

(2) 2M x 36

None

32MB

(2) 4M x 36

None

None

48MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

64MB

(2) 4M x 36

(2) 4M x 36

None

64MB

(2) 8M x 36

None

None

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

None

128MB

(2) 16M x 36

None

None

192MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

CACHE CONFIGURATION

Note: The location of the cache is unidentified.

CACHE JUMPER CONFIGURATION

Size

J3

J4

J35

None

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

256KB

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

512KB

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU CLOCK SPEED SELECTION

Speed

J5

50MHz

Closed

66MHz

Open

CPU VOLTAGE SELECTION

Voltage

J40

J41

J42

5v

Closed

N/A

N/A

5.3v

Power module installed

Power module installed

Power module installed

Note: All pins on J40 must be closed.

DMA CHANNEL SELECTION

Channel

W14

W16

6

Pins 1 & 2 closed

Pins 1 & 2 closed

7

Pins 2 & 3 closed

Pins 2 & 3 closed