Processor

80286

Processor Speed

12MHz

Chip Set

AMD

Max. onboard DRAM

640KB (location unknown) 12MB external

Cache

None

BIOS

AMD

Dimensions

330mm x 218mm

I/O Options

External memory card, parallel port, serial port

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port

J8

External memory card connector

J3

Parallel port

J9

External memory card connector

J4

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

BIOS size select standard size

E1 & E2

Open

BIOS size select larger size

E1 & E2

Closed

»

Speaker select internal

E3, E4, & E5

E4 & E5 closed

Speaker select external

E3, E4, & E5

Open

»

Factory configured - do not alter

E6 & E7

N/A

»

BUS cycle wait state select normal

SW1/switch 1

On

BUS cycle wait state select shortened

SW1/switch 1

Off

»

NPU disabled

SW1/switch 2

Off

NPU enabled

SW1/switch 2

On

»

Factory configured - do not alter

SW1/switch 5

Off

»

NPU speed select 4MHz

SW1/switch 6

Off

NPU speed select 8MHz

SW1/switch 6

On

»

Factory configured - do not alter

SW1/switch 7

Off

»

Monitor type select color

SW2/switch 7

On

Monitor type select monochrome

SW2/switch 7

Off

BASE MEMORY CONFIGURATION

Size

SW1/3

SW1/4

256KB

Off

Off

512KB

Off

On

640KB

On

On

PARALLEL PORT CONFIGURATION

Mode

LPT

IRQ

SW2/1

SW2/2

SW2/3

Enabled

LPT1

IRQ7

Off

Off

Off

Disabled

LPT1

IRQ5

On

Off

On

Enabled

LPT1

IRQ5

Off

Off

On

Disabled

LPT1

IRQ7

On

Off

Off

Enabled

LPT2

IRQ7

Off

On

Off

Disabled

LPT2

IRQ5

On

On

On

Enabled

LPT2

IRQ5

Off

On

On

Disabled

LPT2

IRQ7

On

On

Off

SERIAL PORT CONFIGURATION

Mode

COM

IRQ

SW2/4

SW2/5

SW2/6

Enabled

COM1

IRQ7

Off

Off

Off

Disabled

COM1

IRQ5

On

Off

On

Enabled

COM1

IRQ5

Off

Off

On

Disabled

COM1

IRQ7

On

Off

Off

Enabled

COM2

IRQ7

Off

On

Off

Disabled

COM2

IRQ5

On

On

On

Enabled

COM2

IRQ5

Off

On

On

Disabled

COM2

IRQ7

On

On

Off

LED SELF TEST CONFIGURATION

Green

Yellow

Red

Item Failed

On

On

On

CPU

On

On

Off

8142 test keyboard

On

Off

On

8254 timer 1 test

On

Off

Off

ROM CRC check

Off

On

On

CMOS RAM test

Off

On

Off

Memory refresh test

Off

Off

On

0 - 256KB RAM test

Off

Off

Off

Turbo mode test

Off

Off

Off

Turbo parity error

Off

Off

On

Nonturbo parity error

On

On

On

8259 test

On

On

On

8254 timer interrupt

On

On

Off

Protected mode test

On

Off

On

8254 timer 2 test

On

Off

Off

DMA test

MEMORY CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

Bank 4

Bank 5

512KB

(2) 256K x 9

NONE

NONE

NONE

NONE

NONE

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

NONE

NONE

1.5MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

NONE

NONE

NONE

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

NONE

NONE

2MB

(2) 1M x 9

NONE

NONE

NONE

NONE

NONE

2.5MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

NONE

3MB

(2) 256K x 9

(2) 256K x 9

(2) 256K 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

NONE

NONE

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

NONE

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

NONE

10MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

640KB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

MEMORY JUMPER CONFIGURATION

SIMMs

E1 & E2

E3 & E4

256K x 9

Closed

Closed

1M x 9

Open

Open