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PC SERVER 325 (TYPE 8639) MODEL PBO, PTO, PTW, RBO

IBM CORPORATION

PC SERVER 325 (TYPE 8639) MODEL PBO, PTO, PTW, RBO

Processor

Pentium II/Pentium Pro

Processor Speed

233/266MHz

Chip Set

Unidentified

Video Chip Set

Unidentified

Maximum Onboard Memory

512MB (EDO supported)

Maximum Video Memory

1MB

Cache

256KB

BIOS

Unidentified

Dimensions

305mm x 244mm

I/O Options

32-bit PCI slots (6), Ethernet 10BaseT connector, floppy drive interface, Wide SCSI interfaces (2), parallel port, PS/2 mouse port, serial port, USB connectors (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Chassis fan power

C1

Ethernet 10Base T connector

CN4

Auxiliary power

C2

Parallel port

CN5

Hard drive fan power

C3

Wide SCSI interface (external)

CN6

System fan power

C4

Serial port

CN7

Operator panel connector

C5

Wide SCSI interface (internal)

CN8

Chassis fan power

C6

Floppy drive interface

CN9

Speaker

C7

32-bit PCI slots

PC1 - PC6

Keylock

C8

CPU slot

SL1

PS/2 mouse port

CN1

System Management slot

SL2

USB connector

CN2

RAID slot

SL3

USB connector

CN3

 

 

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter (video enable/disable)

J25

Unidentified

 

Flash write disabled

J23C

Pins 1 & 2 closed

 

Flash write enabled

J23C

Pins 2 & 3 closed

 

BIOS normal operation

J23D

Pins 1 & 2 closed

 

BIOS recovery mode

J23D

Pins 2 & 3 closed

 

Boot block disabled

J23E

Pins 1 & 2 closed

 

Boot block enabled

J23E

Pins 2 & 3 closed

 

VPD write disabled

J23F

Pins 1 & 2 closed

 

VPD write enabled

J23F

Pins 2 & 3 closed

»

CMOS memory normal operation

J23G

Pins 1 & 2 closed

 

CMOS memory clear

J23G

Pins 2 & 3 closed

»

Factory configured - do not alter

J23H

Open

VIDEO MEMORY CONFIGURATION

Size

Bank 0

1MB

(2) 256K x 16

CPU TYPE SELECTION

Type

J28A

J28B

Pentium II

Pins 2 & 3 closed

Pins 2 & 3 closed

Pentium Pro

Pins 1 & 2 closed

Pins 1 & 2 closed

CONNECTIONS

Purpose

Location

Purpose

Location

VRM connector

VRM1

VRM connector

VRM2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J8

Unidentified

DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

8MB

(1) 1M x 64

None

None

None

16MB

(1) 2M x 64

None

None

None

16MB

(1) 1M x 64

(1) 1M x 64

None

None

24MB

(1) 2M x 64

(1) 1M x 64

None

None

24MB

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

None

32MB

(1) 4M x 64

None

None

None

32MB

(1) 2M x 64

(1) 2M x 64

None

None

32MB

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

40MB

(1) 4M x 64

(1) 1M x 64

None

None

48MB

(1) 4M x 64

(1) 2M x 64

None

None

48MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

None

64MB

(1) 8M x 64

None

None

None

64MB

(1) 4M x 64

(1) 4M x 64

None

None

64MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

72MB

(1) 8M x 64

(1) 1M x 64

None

None

80MB

(1) 8M x 64

(1) 2M x 64

None

None

96MB

(1) 8M x 64

(1) 4M x 64

None

None

96MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

None

128MB

(1) 16M x 64

None

None

None

128MB

(1) 8M x 64

(1) 8M x 64

None

None

128MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

136MB

(1) 16M x 64

(1) 1M x 64

None

None

144MB

(1) 16M x 64

(1) 2M x 64

None

None

160MB

(1) 16M x 64

(1) 4M x 64

None

None

192MB

(1) 16M x 64

(1) 8M x 64

None

None

192MB

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

None

256MB

(1) 16M x 64

(1) 16M x 64

None

None

256MB

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

384MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

None

512MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Note: 256KB cache is located on the Pentium II CPU.

CPU SPEED SELECTION

Speed

J9

J10

J12

J17

J18

J20

233MHz

2 & 3

Open

2 & 3

Open

Closed

Closed

266MHz

2 & 3

Open

2 & 3

Open

Closed

Closed

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CON’T)

Speed

J27

J28

J29

J30

J38

233MHz

Closed

Open

Open

Closed

Open

266MHz

Closed

Closed

Closed

Open

Open

Note: Pins designated should be in the closed position.

MISCELLANEOUS TECHINCAL NOTE

A diagram & jumper settings for the Pentium Pro CPU card is unidentified.