TRIGEM MICROSYSTEMS, INC.

COMO

Device Type

Mainboard

Processor

Pentium II/Celeron

Processor Speed

233/266/300/333MHz

Chip Set

Intel 440EX

Video Chip Set

ATI

Maximum Onboard Memory

256MB (EDO & SDRAM supported)

Maximum Video Memory

1MB

Audio Chip Set

Unidentified

Cache

0/128/256/512KB (located on the CPU)

BIOS

Unidentified

Dimensions

243mm x 223mm

I/O Options

32-bit PCI slots (2), floppy drive interface, game/MIDI port, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, IR connector, USB connectors (2), ATX power connector, line in, line out, audio in - CD-ROMs (2), SB-link connector, wake on LAN connector, wake on modem connector

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Video sound connector

CN45

Power fan power

CN8

Modem connector

CN46

Floppy drive interface

CN9

Power LED

CN48/pins 1 - 3

IDE interface 1

CN10

IDE interface LED

CN48/pins 5 - 7

IDE interface 2

CN11

Soft off power supply

CN48/pins 8 - 10

SB-link connector

CN23

IR connector

CN48/pins 11 - 17

Serial port 1

CN24

Speaker

CN48/pins 19 - 22

Serial port 2

CN25

Keylock

CN49/pins 1 - 3

Parallel port

CN26

Reset switch

CN49/pins 4 & 5

USB connector 1

CN27

Green PC connector

CN49/pins 7 & 8

USB connector 2

CN27A

LAN LED

CN49/pins 10 - 12

PS/2 mouse port

CN29

SM bus connector

CN49/pins 14 - 16

VGA port

CN31

Wake on LAN connector

CN50

AMC connector

CN32

Wake on modem connector

CN51

Game/MIDI port

CN39

Chassis intrusion connector

CN52

Microphone in

CN39A

CPU fan power

CN53

Line in

CN39B

Chassis fan power

CN54

Line out

CN39C

Modem connector

CN70

Audio in - CD-ROM

CN43

32-bit PCI slots

PC1 - PC2

Audio in - CD-ROM

CN44

 

 


USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J1

Unidentified

»

Factory configured - do not alter

J2

Unidentified

»

On board AGP enabled

J11

Pins 2 & 3 closed

 

On board AGP disabled

J11

Pins 1 & 2 closed

»

Floppy drive enabled

J12

Pins 2 & 3 closed

 

IR enabled

J12

Pins 1 & 2 closed

»

CMOS memory normal operation

J13/5

On

 

CMOS memory clear

J13/5

Off

»

Password enabled

J13/6

On

 

Password disabled

J13/6

Off

»

CMOS setup enabled

J13/7

On

 

CMOS setup disabled

J13/7

Off

»

Floppy drive write protect disabled

J13/8

On

 

Floppy drive write protect enabled

J13/8

Off


DIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(1) 1M x 64

None

16MB

(1) 2M x 64

None

16MB

(1) 1M x 64

(1) 1M x 64

24MB

(1) 2M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

32MB

(1) 2M x 64

(1) 2M x 64

40MB

(1) 4M x 64

(1) 1M x 64


DIMM CONFIGURATION (CON'T)

Size

Bank 0

Bank 1

48MB

(1) 4M x 64

(1) 2M x 64

64MB

(1) 8M x 64

None

64MB

(1) 4M x 64

(1) 4M x 64

72MB

(1) 8M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

128MB

(1) 16M x 64

None

128MB

(1) 8M x 64

(1) 8M x 64

136MB

(1) 16M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

256MB

(1) 16M x 64

(1) 16M x 64

Note: Board accepts EDO & SDRAM memory.


CACHE CONFIGURATION

Note: 256KB/512KB cache is located on the Pentium II CPU. 128KB cache is located on the Celeron 300A & 333 CPU.


VIDEO MEMORY CONFIGURATION

Note: Video memory is factory installed and is not configurable.


CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

J13/1

J13/2

J13/3

J13/4

233MHz

66MHz

3.5x

On

Off

Off

On

266MHz

66MHz

4x

Off

On

On

On

300MHz

66MHz

4.5x

Off

On

Off

On

333MHz

66MHz

5x

Off

Off

On

On