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P55CMA/P55CMS (REV. 1.1)

SUPER MICRO

P55CMA/P55CMS (REV. 1.1)

Processor

Pentium

Processor Speed

75/90/100/120/133MHz

Chip Set

Intel

Max. Onboard DRAM

128MB

Cache

256/512KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

PS/2 mouse port, parallel port, serial ports (2), 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), cache slot, VRM module connector, Legacy connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

VRM module connector

J1

External battery

JP30

Chassis fan power

J18

Turbo LED

JP32

Power LED & keylock

J32

Infra red connector

JP68

IDE interface LED

J34

Serial port 2

JS1

Reset switch

J35

Serial port 1

JS2

Speaker

J39

Parallel port

JS3

IDE interface 1

J70

Floppy drive interface

JS4

IDE interface 2

J71

32-bit PCI slots

PC1 - PC4

Legacy connector

J85

Cache slot

SL1

PS/2 mouse port

J96

   

Note: J18 and J96 are optional and may not be present. The location of J18 is unidentified. The size of the VRM module is unidentified.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

J28

Closed

Factory configured - do not alter

J37

pins 1 & 2 closed

Factory configured - do not alter

J41

N/A

CMOS memory normal operation

J42

pins 1 & 2 closed

 

CMOS memory clear

J42

pins 2 & 3 closed

ISA CLCK select PCI CLCK/4

J67

pins 2 & 3 closed

 

ISA CLCK select PCI CLCK/3

J67

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

NONE

16MB

(2) 2M x 36

NONE

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 1M x 36

(2) 2M x 36

32MB

(2) 4M x 36

NONE

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 1M x 36

(2) 4M x 36

48MB

(2) 2M x 36

(2) 4M x 36

64MB

(2) 8M x 36

NONE

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 1M x 36

(2) 8M x 36

80MB

(2) 2M x 36

(2) 8M x 36

96MB

(2) 4M x 36

(2) 8M x 36

128MB

(2) 8M x 36

(2) 8M x 36

CACHE CONFIGURATION

Note: To install 256KB or 512KB cache, install specific card in SL1.

CPU SPEED CONFIGURATION

Speed

J27

J29

J31

J40

75MHz

Open

Closed

Closed

Open

90MHz

Open

Closed

Open

Open

100MHz

Open

Open

Closed

Open

120MHz

Closed

Closed

Open

Open

133MHz

Closed

Open

Closed

Open

CPU VOLTAGE CONFIGURATION

Voltage

JP11

3.3v

pins 2 & 3 closed

3.4v

Open

3.5v

pins 1 & 2 closed