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FU3 (VER. 2)

ABIT COMPUTER CORPORATION

FU3 (VER. 2)

Processor

80386DX

Processor Speed

25/33/40MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

32MB

Maximum Video Memory

None

Cache

32/64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387DX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

D4

Turbo switch

J50

Speaker

J18

Reset switch

J51

Power LED & keylock

J19

External battery

JP2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J21

Open

»

Monitor type select monochrome

J23

Open

 

Monitor type select color

J23

Closed

»

CMOS memory normal operation

J42

Pins 2 & 3 closed

 

CMOS memory clear

J42

Pins 1 & 2 closed

»

Factory configured - do not alter

JP10

Unidentified

»

Factory configured - do not alter

JP11

Unidentified

»

Factory configured - do not alter

JP30

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

None

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

None

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

None

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

32KB

(4) 8K x 8

None

(1) 8K x 8

64KB

(4) 8K x 8

(4) 8K x 8

(2) 16K x 4

128KB

(4) 32K x 8

None

(1) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(2) 64K x 4

Note: The location of banks 0 & 1 and TAG are unidentified.

CACHE JUMPER CONFIGURATION

Size

J26

J27

J28

J29

32KB

Pins 1 & 2 closed

Open

Open

Closed

64KB

Pins 1 & 2 closed

Closed

Open

Closed

128KB

Pins 2 & 3 closed

Closed

Open

Closed

256KB

Pins 2 & 3 closed

Closed

Closed

Open

CACHE JUMPER CONFIGURATION (CON’T)

Size

J33

J34

J35

J36

J37

32KB

Closed

Open

2 & 3

2 & 3

2 & 3

64KB

Closed

1 & 2

Open

2 & 3

2 & 3

128KB

Open

1 & 2

Open

1 & 2

1 & 2

256KB

Open

1 & 2

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CACHE JUMPER CONFIGURATION (CON’T)

Size

J38

J39

J41

J52

32KB

Open

Pins 2 & 3 closed

Open

Pins 1 & 2 closed

64KB

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

Pins 1 & 2 closed

128KB

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

256KB

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed