...because we can't all be on the bleeding edge...





386SX 20/25/33

INTERCOMP, INC.

386SX 20/25/33

Processor

80386SX

Processor Speed

20/25/33MHz

Chip Set

Intercomp

Max. Onboard DRAM

16MB

SRAM Cache

16/32/64KB

BIOS

MR

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP1

Turbo LED

JP16

Diagnostic LED

JP13

Speaker

JP17

Reset switch

JP14

Power LED & keylock

JP18

Turbo switch

JP15

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Battery select internal

JP10

pins 2 & 3 closed

 

Battery select external

JP10

pins 1 & 2 closed

CMOS memory normal operation

JP11

pins 1 & 2 closed

 

CMOS memory clear

JP11

pins 2 & 3 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

2MB

(2) 1M x 9

NONE

NONE

NONE

3MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

NONE

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

9MB

(2) 256K x 9

(2) 256K x 9

(2) 4M x 9

NONE

10MB

(2) 1M x 9

(2) 4M x 9

NONE

NONE

12MB

(2) 1M x 9

(2) 1M x 9

(2) 4M x 9

NONE

16MB

(2) 4M x 9

(2) 4M x 9

NONE

NONE

CACHE CONFIGURATION

Size

Bank 0 (U17 & U19)

Bank 1 (U16 & U18)

16KB

(2) 8K x 8

NONE

32KB

(2) 8K x 8

(2) 8K x 8

64KB

(2) 32K x 8

NONE

CACHE JUMPER CONFIGURATION

Size

JP4

JP5

JP6

JP7

JP8

JP9

16KB

1 & 2

1 & 2

1 & 2

1 & 2

Open

Open

32KB

2 & 3

1 & 2

1 & 2

2 & 3

Closed

Open

64KB

2 & 3

2 & 3

2 & 3

2 & 3

Open

Closed

Note:Pins designated should be in the closed position.