ORCHID TECHNOLOGY

Privilege 386SX

Processor

80386SX

Processor Speed

20/25MHz

Chip Set

OPTI

Max. Onboard DRAM

16MB

Cache

32/64KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J2

Speaker

J13

Turbo switch

J9

Turbo LED

J14

Power LED & keylock

J12

Reset switch

J15

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

J3

pins 2 & 3 closed

»

Factory configured - do not alter

J8

pins 1 & 2 closed

»

Factory configured - do not alter

J10

Closed

»

NPU mode select synchronous with CPU

J11

Open

 

NPU mode select asynchronous with CPU

J11

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

5MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

10MB

(2) 1M x 9

(2) 4M x 9

NONE

NONE

16MB

(2) 4M x 9

(2) 4M x 9

NONE

NONE

CACHE CONFIGURATION

Size

Cache

Location

TAG (U19)

32KB

(4) 8K x 8

U15 - U18

(1) 8K x 8

64KB

(2) 32K x 8

U15 & U16

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

J4

J5

J6

J7

32KB

Open

Closed

pins 1 & 2 closed

pins 2 & 3 closed

64KB

Closed

Open

pins 2 & 3 closed

pins 2 & 3 closed