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386 33VL Motherboard Settings and Configuration






AUSTIN COMPUTER SYSTEMS

386 33VL

Processor

80386DX

Processor Speed

33/40MHz

Chip Set

Symphony

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

JP1

Turbo switch

JP10

Reset switch

JP2

Turbo LED

JP11

Power LED & keylock

JP5

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

JP6

Closed

 

Monitor type select monochrome

JP6

Open

»

SRAM cache select 1 wait state

JP33

pins 2 & 3 closed

 

SRAM cache select 0 wait state

JP33

pins 1 & 2 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

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 256K x 9

(4) 4M x 9

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG (U49 & U50)

64KB

(4) 8K x 8

(4) 8K x 8

(2) 16K x 4

128KB

(4) 32K x 8

NONE

(2) 64K x 4

256KB

(4) 32K x 8

(4) 32K x 8

(2) 64K x 4

CACHE JUMPER CONFIGURATION

Size

JP21

JP22

JP23

JP29

JP30

JP34

JP37

JP38

64KB

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

128KB

2 & 3

2 & 3

1 & 2

Open

2 & 3

2 & 3

1 & 2

1 & 2

256KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.








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