HwMuseum | Index

UNIDENTIFIED

386SXC-990-B

Processor

80386SX

Processor Speed

20MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

16MB

Maximum Video Memory

None

Cache

32/64KB

BIOS

AMI/Award

Dimensions

324mm x 222mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

H1

Speaker

H3

Reset switch

H2

Turbo LED

H6

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Monitor type select color

H5

Closed

 

Monitor type select monochrome

H5

Open

 

NPU not installed

JP21

Closed

 

NPU installed

JP21

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(2) 256K x 9

None

None

None

1MB

(2) 256K x 9

(2) 256K x 9

None

None

1.5MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

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

2.5MB

(2) 1M x 9

(2) 256K x 9

None

None

3MB

(2) 1M x 9

(2) 256K x 9

(2) 256K x 9

None

3.5MB

(2) 1M 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

4.5MB

(2) 1M x 9

(2) 1M x 9

(2) 256K x 9

None

5MB

(2) 1M x 9

(2) 1M x 9

(2) 256K x 9

(2) 256K x 9

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

None

6.5MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 256K x 9

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

None

None

None

8.5MB

(2) 4M x 9

(2) 256K x 9

None

None

9MB

(2) 4M x 9

(2) 256K x 9

(2) 256K x 9

None

9.5MB

(2) 4M x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

10MB

(2) 4M x 9

(2) 1M x 9

None

None

10.5MB

(2) 4M x 9

(2) 1M x 9

(2) 256K x 9

None

11MB

(2) 4M x 9

(2) 1M x 9

(2) 256K x 9

(2) 256K x 9

12MB

(2) 4M x 9

(2) 1M x 9

(2) 1M x 9

 

12.5MB

(2) 4M x 9

(2) 1M x 9

(2) 1M x 9

(2) 256K x 9

14MB

(2) 4M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

16MB

(2) 4M x 9

(2) 4M x 9

None

None

CACHE CONFIGURATION

Size

Bank 0

Bank 1

32KB

(4) 8K x 8

None

64KB

(4) 8K x 8

(4) 8K x 8

CACHE JUMPER CONFIGURATION

Size

JP2

32KB

Pins 1 & 2 closed

64KB

Pins 2 & 3 closed