ABIT COMPUTER CORPORATION

FS333/FS340

Processor

80386DX

Processor Speed

33/40MHz

Chip Set

C & T

Max. Onboard DRAM

32MB

Cache

32/64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP5

Speaker

JP11

Reset switch

JP6

Keylock/Front panel Power LED

JP13

Turbo switch

JP7

Power LED

JP15

Turbo LED

JP10

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP1

pins 1 & 2 closed

 

CMOS memory clear

JP1

pins 2 & 3 closed

»

NPU mode select synchronous with CPU

JP2

Open

 

NPU mode select asynchronous with CPU

JP2

Closed

»

Factory configured - do not alter

JP4

Open

»

Power good signal detect from power supply

JP14

pins 2 & 3 closed

 

Power good signal detect from board

JP14

pins 1 & 2 closed

»

Monitor type select monochrome

JP20

Open

 

Monitor type select color

JP20

Closed

»

BIOS normal operation

JP21

Open

 

BIOS diagnostic test enabled

JP21

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 (U22)

TAG (U24)

32KB

(4) 8K x 8

NONE

(1) 8K x 8

NONE

64KB

(4) 8K x 8

(4) 8K x 8

(1) 16K x 4

(1) 16K x 4

128KB

(4) 32K x 8

NONE

(1) 32K x 8

NONE

256KB

(4) 32K x 8

(4) 32K x 8

(1) 64K x 4

(1) 64K x 4

CACHE JUMPER CONFIGURATION

Size

JPX1

32KB

pins 1 - 8 closed

64KB

pins 3 - 10 closed

128KB

pins 5 - 12 closed

256KB

pins 9 - 16 closed