UNIDENTIFIED

OPTI-495SLC 386 WB

Processor

80386DX

Processor Speed

33/40MHz

Chip Set

OPTI

Max. Onboard DRAM

64MB

Cache

128KB

BIOS

AMI

Dimensions

220mm x 165mm

I/O Options

None

NPU Options

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo switch

JP4

Power LED & keylock

J16

Speaker

JP6

Turbo LED

JP3

Reset switch

S1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select monochrome

JP1

Open

 

Monitor type select color

JP1

Closed

»

CMOS memory normal operation

JP2

pins 2 & 3 closed

 

CMOS memory clear

JP2

pins 1 & 2 closed

»

Turbo mode disabled

JP4

Open

 

Turbo mode enabled

JP4

Closed

»

PQFP CPU enabled

JP5

Open

 

PQFP CPU disabled

JP5

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) 4M x 9

(4) 1M x 9

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

64MB

(4) 16M x 9

NONE

CACHE CONFIGURATION

Size

Bank 0

TAG

128KB

(4) 32K x 8

(1) 8K x 8

CPU SPEED CONFIGURATION

Speed

JP7

JP8

33MHz

Open

Closed

40MHz

Open

Open