AT & T

MODEL 6386/25 WGS (FM-0589-06)

Processor

80386

Processor Speed

25MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

8MB (32MB on external memory cards)

Maximum Video Memory

None

Cache

64KB

BIOS

Unidentified

Dimensions

355mm x 304mm

I/O Options

External memory cards (2), parallel port, PS/2 mouse port, serial ports (2)

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

CN1

Serial port

CN4

Parallel port

CN2

Remote reset switch

J11

Serial port

CN3

External memory cards

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Monitor type select color

J3

Pins 1 & 2 closed

 

Monitor type select monochrome

J3

Pins 2 & 3 closed

»

Password normal operation

J3

Pins 4 & 5 closed

 

Password clear

J3

Pins 5 & 6 closed

 

BIOS type select 64KB

J7

Pins 2 & 3 closed

 

BIOS type select 128KB

J7

Pins 1 & 2 closed

»

Factory configured - do not alter

J10

Closed

»

Printer acknowledge signal edge trailing edge

J12

Pins 1 & 2 closed

 

Printer acknowledge signal edge leading edge

J12

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

None

Note: The location of the banks is unidentified.

DRAM JUMPER CONFIGURATION

Size

J8

J9

4MB

Pins 2 & 3 closed

Pins 1 & 2 closed

8MB

Pins 2 & 3 closed

Pins 2 & 3 closed

CACHE CONFIGURATION

Note: The location of the 64KB cache is unidentified.

PARALLEL PORT ADDRESS SELECTION

Setting

J1

LPT1

Pins 1 & 2, 5 & 6 closed

LPT2

Pins 2 & 3, 4 & 5 closed

Disabled

Pins 1 & 2, 4 & 5 closed

SERIAL PORT 1 ADDRESS SELECTION

Setting

J2

COM1 (3F8h)

Pins 5 & 6 closed

Disabled

Pins 4 & 5 closed

SERIAL PORT 2 ADDRESS SELECTION

Setting

J2

COM2 (2F8h)

Pins 2 & 3 closed

Disabled

Pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

4MB

(4) 1M x 9

None

None

8MB

(4) 1M x 9

(4) 1M x 9

None

16MB

(4) 1M x 9

(4) 1M x 9

(8) 1M x 9

DRAM JUMPER CONFIGURATION

Size

J1

J2

J3

J4

4MB

Closed

Open

Open

Closed

8MB

Open

Closed

Closed

Open

16MB

Closed

Closed

Open

Open