IBM CORPORATION

PC SERVER 320 (TYPE 8640)

MODELS MXO, MXT, MYO, MYT, MYR

Processor

Pentium

Processor Speed

75/90MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

256MB

Maximum Video Memory

Unidentified

Cache

256/512KB

BIOS

Unidentified

Dimensions

355mm x 304mm

I/O Options

External memory card, 32-bit PCI slots (2), floppy drive interface,IDE interface, SCSI connectors (3), parallel port, PS/2 mouse port, serial ports (2), VGA port, cache slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

SCSI interface LED

J2

Serial port 1

J24

IDE interface LED

J3

Reset switch

J25

Chassis fan power

J4

SCSI interface

J28

Speaker

J6

SCSI fast/wide internal interface

J35

Chassis fan power

J8

SCSI fast/wide external interface

J39

Chassis fan power

J9

VGA port

J40

Power LED

J10

PS/2 mouse port

J42

IDE interface

J13

32-bit PCI slots

PC1 & PC2

Parallel port

J19

Cache slot

SL1

Floppy drive interface

J20

External memory card

SL2

Serial port 2

J21

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J12

Open

 

Password write enabled

J15

Pins 2 & 3 closed

 

Password write disabled

J15

Pins 1 & 2 closed

 

C2 cover open

J16

Unidentified

 

C2 keylock

J17

Unidentified

»

On board SCSI enabled

J26

Pins 1 & 2 closed

 

On board SCSI disabled

J26

Pins 2 & 3 closed

»

On board video enabled

J27

Pins 1 & 2 closed

 

On board video disabled

J27

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

8MB

(2) 1M x 36

None

None

None

16MB

(2) 1M x 36

(2) 1M x 36

None

None

16MB

(2) 2M x 36

None

None

None

24MB

(2) 1M x 36

(2) 2M x 36

None

None

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

None

24MB

(2) 2M x 36

(2) 1M x 36

None

None

32MB

(2) 2M x 36

(2) 2M x 36

None

None

32MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

32MB

(2) 2M x 36

(2) 1M x 36

(2) 1M x 36

None

32MB

(2) 4M x 36

None

None

None

40MB

(2) 1M x 36

(2) 4M x 36

None

None

40MB

(2) 1M x 36

(2) 2M x 36

(2) 2M x 36

None

40MB

(2) 2M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

40MB

(2) 4M x 36

(2) 1M x 36

None

None

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

48MB

(2) 2M x 36

(2) 4M x 36

None

None

48MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

None

48MB

(2) 4M x 36

(2) 2M x 36

None

None

48MB

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

None

56MB

(2) 1M x 36

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

56MB

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

64MB

(2) 4M x 36

(2) 4M x 36

None

None

64MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

64MB

(2) 4M x 36

(2) 2M x 36

(2) 2M x 36

None

64MB

(2) 8M x 36

None

None

None

72MB

(2) 1M x 36

(2) 8M x 36

None

None

72MB

(2) 1M x 36

(2) 4M x 36

(2) 4M x 36

None

72MB

(2) 8M x 36

(2) 1M x 36

None

None

80MB

(2) 2M x 36

(2) 8M x 36

None

None

80MB

(2) 2M x 36

(2) 4M x 36

(2) 4M x 36

None

80MB

(2) 8M x 36

(2) 2M x 36

None

None

80MB

(2) 8M x 36

(2) 1M x 36

(2) 1M x 36

None

88MB

(2) 8M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

96MB

(2) 4M x 36

(2) 8M x 36

None

None

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

None

96MB

(2) 8M x 36

(2) 4M x 36

None

None

96MB

(2) 8M x 36

(2) 2M x 36

(2) 2M x 36

None

104MB

(2) 1M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

112MB

(2) 2M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

112MB

(2) 8M x 36

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

128MB

(2) 8M x 36

(2) 8M x 36

None

None

128MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

136MB

(2) 1M x 36

(2) 8M x 36

(2) 8M x 36

None

144MB

(2) 2M x 36

(2) 8M x 36

(2) 8M x 36

None

160MB

(2) 4M x 36

(2) 8M x 36

(2) 8M x 36

None

160MB

(2) 8M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

192MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

None

200MB

(2) 1M x 36

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

208MB

(2) 2M x 36

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

224MB

(2) 4M x 36

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

256MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

Note: Memory is located on the external memory card.

CACHE CONFIGURATION

Size

SL1

256KB

256KB module installed

512KB

512KB module installed

CPU SPEED SELECTION

CPU speed

Clock speed

J43

75MHz

50MHz

Pins 2 & 3 closed

90MHz

60MHz

Pins 1 & 2 closed