SER

386CS

Processor

80386SX

Processor Speed

20/25MHz

Chip Set

C & T

Max. Onboard DRAM

16MB

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP5

Turbo LED

JP8

Reset switch

JP6

Speaker

JP9

Turbo switch

JP7

Power LED & keylock

JP10

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

JP2

Closed

 

Monitor type select monochrome

JP2

Open

»

CMOS memory normal operation

JP4

pins 1 & 2 closed

 

CMOS memory clear

JP4

pins 2 & 3 closed

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) 256K x 9

(2) 1M x 9

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

4.5MB

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

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

6.5MB

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

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

16MB

(2) 4M x 9

(2) 4M x 9

NONE

NONE

DRAM CONFIGURATION

Size

JP3

512KB

pins 1 & 2 closed

1MB

pins 1 & 2 closed

1.5MB

pins 1 & 2 closed

2MB

pins 1 & 2 closed

2MB

pins 1 & 2 closed

2.5MB

pins 1 & 2 closed

3MB

pins 1 & 2 closed

4MB

pins 1 & 2 closed

4.5MB

pins 1 & 2 closed

5MB

pins 1 & 2 closed

6MB

pins 1 & 2 closed

6.5MB

pins 1 & 2 closed

8MB

pins 1 & 2 closed

9MB

*

10MB

*

16MB

pins 2 & 3 closed

*Note:Pins 1 & 2 are closed when 256KB or 1MB SIMM's are used; pins 2 & 3 are closed when

4MB SIMM's are used. 9MB and 10MB memory configurations were available; however,

we were unable to verify the correct settings.