UNIDENTIFIED

OPTi 386-33/40WB

Processor

80386DX (exact location is unknown)

Processor Speed

33/40MHz

Chip Set

OPTi

Max. Onboard DRAM

40MB

Cache

64KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card slot

NPU Options

80387DX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J10

32-bit external memory card slot

S1

Power LED & keylock

J23

Reset switch

SW1

Speaker

J24

Turbo switch

SW2

Turbo LED

JP4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

JP1

Closed

 

Monitor type select monochrome

JP1

Open

»

CMOS memory normal operation

JP2

pins 2 & 3 closed

 

CMOS memory clear

JP2

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

4MB

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 256K x 9

(4) 1M x 9

NONE

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

20MB

(4) 1M x 9

(4) 4M x 9

NONE

NONE

20MB

(4) 4M x 9

(4) 1M x 9

NONE

NONE

24MB

(4) 1M x 9

(4) 4M x 9

(4) 1M x 9

NONE

24MB

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

NONE

28MB

(4) 1M x 9

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

28MB

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

36MB

(4) 4M x 9

(4) 4M x 9

(4) 1M x 9

NONE

40MB

(4) 4M x 9

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

Note:The locations of Bank 2 & Bank 3 can be found on the external memory card.

CACHE CONFIGURATION

Size

Max. Cacheable

Bank 0

Bank 1

TAG

32KB

8MB

(4) 8K x 8

(4) 8K x 8

(4) 4K x 4

64KB

16MB

(4) 8K x 8

(4) 8K x 8

(4) 4K x 4

128KB

32MB

(4) 32K x 8

(4) 32K x 8

(4) 16K x 8

256KB

64MB

(4) 32K x 8

(4) 32K x 8

(4) 16K x 8

CACHE JUMPER CONFIGURATION

Size

JP5

JP6

JP7

JP8

JP9

JP10

32KB

pins 1 & 2

pins 1 & 2

pins 1 & 2

Open

pins 2 & 3

pins 2 & 3

64KB

pins 2 & 3

pins 1 & 2

pins 1 & 2

Open

pins 2 & 3

pins 1 & 2

128KB

pins 2 & 3

pins 1 & 2

pins 2 & 3

Closed

pins 2 & 3

pins 1 & 2

256KB

pins 2 & 3

pins 2 & 3

pins 2 & 3

Closed

pins 1 & 2

pins 1 & 2

Note:Pins designated should be in the closed position.

AT CLK SELECT

AT Clock

JP3

CLK2IN/6

Open

CLK2IN/8

Closed