UNIDENTIFIED

C386SX

Device Type

Mainboard

Processor

80386SX

Processor Speed

16/20MHz

Chip Set

C & T

Maximum Onboard Memory

8MB

Cache

None

BIOS

Phoenix

Dimensions

330mm x 216mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

P2

Turbo LED

P5

Power LED & keylock

P3

External battery

P6

Speaker

P4

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

BIOS type select 27256

JP1

Pins 1 & 2 closed

 

BIOS type select 27512

JP1

Pins 2 & 3 closed

»

CMOS memory normal operation

JP2

Pins 1 & 2 closed

 

CMOS memory clear

JP2

Pins 2 & 3 closed

»

Monitor type select color

JP3

Closed

 

Monitor type select monochrome

JP3

Open

»

Power good signal detect from board

JP4

Pins 2 & 3 closed

 

Power good signal detect from power supply

JP4

Pins 1 & 2 closed

»

Parity check enabled

JP5

Closed

 

Parity check disabled

JP5

Open

»

Battery type select 6v

JP6

Open

 

Battery type select 3.6v/4.5v

JP6

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

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

Note: The location of banks 0, 1, 2 & 3 are unidentified.