Device Type

Mainboard

Processor

Pentium

Processor Speed

90/100/120MHz

Chip Set

Unidentified

Maximum Onboard Memory

192MB

Cache

256/512/1024KB

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options

32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2)

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

CN2

IDE interface LED 1

J1

PS/2 mouse interface

CN4

IDE interface LED 2

J6

IDE interface 1

CN5

CPU fan power

J9

IDE interface 2

CN6

Power LED & keylock

J23

Parallel port

CN9

Reset switch

J24

Serial port 1

CN10

Speaker

J25

Serial port 2

CN11

Turbo LED

J26

Floppy drive interface

CN12

32-bit PCI slots

PC1 - PC4

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

CN7

Unidentified

»

Factory configured - do not alter

J2

Unidentified

»

Factory configured - do not alter

J3

Unidentified

»

CMOS memory normal operation

J7

Open

CMOS memory clear

J7

Closed

Monitor type select

J10

Unidentified

»

Factory configured - do not alter

J22

Unidentified

Cache type select write back

J31

Pins 1 & 2 closed

Cache type select write through

J31

Pins 2 & 3 closed

»

Factory configured - do not alter

JH

Unidentified

Used as IR port

JI

Open

Used as serial port

JI

Closed

»

Factory configured - do not alter

JK1

Unidentified

»

Factory configured - do not alter

JK2

Unidentified

»

Factory configured - do not alter

JK3

Unidentified

»

Factory configured - do not alter

JK4

Unidentified

SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

2MB

(2) 256K x 36

None

None

4MB

(2) 256K x 36

(2) 256K x 36

None

6MB

(2) 256K x 36

(2) 256K x 36

(2) 256K x 36

8MB

(2) 1M x 36

None

None

10MB

(2) 1M x 36

(2) 256K x 36

None

12MB

(2) 1M x 36

(2) 256K x 36

(2) 256K x 36

16MB

(2) 2M x 36

None

None

18MB

(2) 1M x 36

(2) 1M x 36

(2) 256K x 36

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

SIMM CONFIGURATION (CON'T)

Size

Bank 0

Bank 1

Bank 2

32MB

(2) 4M x 36

None

None

34MB

(2) 4M x 36

(2) 256K x 36

None

36MB

(2) 4M x 36

(2) 256K x 36

(2) 256K x 36

40MB

(2) 4M x 36

(2) 1M x 36

None

42MB

(2) 4M x 36

(2) 1M x 36

(2) 256K x 36

48MB

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

64MB

(2) 8M x 36

None

None

64MB

(2) 4M x 36

(2) 4M x 36

None

66MB

(2) 8M x 36

(2) 256K x 36

None

66MB

(2) 4M x 36

(2) 4M x 36

(2) 256K x 36

68MB

(2) 8M x 36

(2) 256K x 36

(2) 256K x 36

72MB

(2) 4M x 36

(2) 4M x 36

(2) 1M x 36

72MB

(2) 8M x 36

(2) 1M x 36

None

74MB

(2) 8M x 36

(2) 1M x 36

(2) 256K x 36

80MB

(2) 8M x 36

(2) 1M x 36

(2) 1M x 36

96MB

(2) 8M x 36

(2) 4M x 36

None

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

98MB

(2) 8M x 36

(2) 4M x 36

(2) 256K x 36

104MB

(2) 8M x 36

(2) 4M x 36

(2) 1M x 36

128MB

(2) 8M x 36

(2) 4M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

None

130MB

(2) 8M x 36

(2) 8M x 36

(2) 256K x 36

136MB

(2) 8M x 36

(2) 8M x 36

(2) 1M x 36

160MB

(2) 8M x 36

(2) 8M x 36

(2) 4M x 36

192MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG1

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

512KB

(4) 64K x 8

(4) 64K x 8

(1) 32K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JS1

JS3

256KB

Pins 1 & 2 closed

Pins 1 & 2 closed

512KB

Pins 2 & 3 closed

Pins 1 & 2 closed

1MB

Pins 2 & 3 closed

Pins 2 & 3 closed

DMA CHANNEL SELECTION

Channel

JP1

JP2

1

Pins 2 & 3 closed

Pins 2 & 3 closed

3

Pins 1 & 2 closed

Pins 1 & 2 closed

SERIAL PORT 1 INTERRUPT SELECTION

Index address

Data address

JF

JG

26EH

26FH

Pins 1 & 2 closed

Pins 2 & 3 closed

KEYBOARD CONTROLLER SELECTION

Setting

J17

RN6

RN7

RN8

Internal

Pins 1 & 2 closed

Not installed

Not installed

Installed

External

Pins 2 & 3 closed

Installed

Installed

Not installed

Note: The location of RN6, RN7 & RN8 are unidentified.