GCH SYSTEMS, INC.

EASY DATA 386SX

Processor

80386SX

Processor Speed

16MHz

Chip Set

Suntac

Max. Onboard DRAM

8MB

Cache

None

BIOS

AMI/Award/Phoenix

Dimensions

330mm x 218mm

I/O Options

Parallel port, serial port (2), floppy interface, IDE interface

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J1

Parallel port (LPT2)

P1

Turbo LED

J2

Serial port (COM1)

S1

Turbo switch

J3

Serial port (COM2)

S2

Hard drive LED

J4

IDE interface

S3

Speaker

J5

Floppy interface

S4

Power LED & keylock

J6

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

Factory configured - do not alter

JP1

Open

»

Factory configured - do not alter

JP3

N/A

»

BIOS type select Award

JP7

pins 2 & 3 closed

 

BIOS type select Phoenix

JP7

pins 1 & 2 closed

»

Factory configured - do not alter

JP11

Closed

»

Monitor type select color

SW1/1

On

 

Monitor type select monochrome

SW1/1

Off

»

Floppy drive enabled

SW1/2

On

 

Floppy drive disabled

SW1/2

Off

»

Floppy drive address select primary

SW1/3

Off

 

Floppy drive address select secondary

SW1/3

On

»

COM1 (S1) enabled

SW1/6

On

 

COM1 (S1) disabled

SW1/6

Off

»

COM2 (S2) enabled

SW1/7

On

 

COM2 (S2) disabled

SW1/7

Off

»

LPT2 (P1) enabled

SW1/8

On

 

LPT2 (P1) disabled

SW1/8

Off

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

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

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NPU MODE CONFIGURATION

Size

JP2

JP4

Synchronous with CPU

pins 2 & 3 closed

pins 2 & 3 closed

Asynchronous with CPU

pins 1 & 2 closed

pins 1 & 2 closed

ON BOARD IDE CONFIGURATION

Size

SW1/4

SW1/5

Enabled

Off

On

Disabled

On

Off

BIOS CONFIGURATION

Size

JP5

JP6

27256

pins 1 & 2 closed

pins 1 & 2 closed

27512

pins 2 & 3 closed

pins 2 & 3 closed