Processor

80486DX/80486DX2

Processor Speed

25/33/50(internal)/66(internal)MHz

Chip Set

C & T

Max. Onboard DRAM

24MB

SRAM Cache

32/256KB

BIOS

Award/Phoenix

Dimensions

355mm x 304mm

I/O Options

floppy drive interface, parallel port, serial port (2)

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Front panel switches & LEDs

JP39

IDE interface

PJ1

External hard drive access LED

JP40

Parallel port

PJ2

Auxiliary keyboard

JP8A

Serial port 1

PJ3

Reset switch

JP32 pins 1 & 2

Serial port 2

PJ4

Turbo LED

JP32 pins 3 & 4

Floppy drive interface

PJ5

Speaker

JP33

32-bit external memory card

SL1

Power LED & keylock

JP34

32-bit external cache card

SL2

External battery

JP36

32-bit MaxGraphics video card

SL3

IDE interface LED

LED

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

Floppy drive interface enabled

FDDEN

pins 2 & 3 closed

Floppy drive interface disabled

FDDEN

pins 1 & 2 closed

»

IDE interface enabled

IDEEN

pins 2 & 3 closed

IDE interface disabled

IDEEN

pins 1 & 2 closed

»

Factory configured - do not alter

JP3S

pins 2 & 3 closed

»

Factory configured - do not alter

JP3T

pins 2 & 3 closed

»

Factory configured - do not alter

JP3U

pins 2 & 3 closed

»

Factory configured - do not alter

JP4S

pins 1 & 2 closed

BIOS type select Award

JP6

pins 1 & 2 closed

BIOS type select Phoenix

JP6

pins 2 & 3 closed

»

Factory configured - do not alter

JP41

unknown

»

Factory configured - do not alter

JP42

pins 2 & 3 closed

»

Factory configured - do not alter

JP43

unknown

»

External cache disabled

JP45

pins 2 & 3 closed

External cache enabled

JP45

pins 1 & 2 closed

»

Cacheable address from 768 to 895KB disabled

SW1/Switch 1

open

Cacheable address from 768 to 895KB enabled

SW1/Switch 1

closed

»

Cacheable address from 896 to 1024KB disabled

SW1/Switch 2

open

Cacheable address from 896 to 1024KB enabled

SW1/Switch 2

closed

»

Cacheable address from 0 to 640KB & 1 to 64MB enabled

SW1/Switch 3

closed

Cacheable address from 0 to 640KB & 1 to 64MB disabled

SW1/Switch 3

open

NPU error override enabled

SW1/Switch 4

closed

NPU error override disabled

SW1/Switch 4

open

Monitor type select color

SW1/Switch 5

closed

Monitor type select monochrome

SW1/Switch 5

open

»

Factory configured - do not alter

SW1/Switch 6

unknown

»

Factory configured - do not alter

SW1/Switch 7

unknown

»

Factory configured - do not alter

SW1/Switch 8

unknown

»

Factory configured - do not alter

SW2

pins 3 & 4 closed

DRAM SWITCH (SW1) CONFIGURATION

Size

Switch 1

Switch 2

Switch 3

Switch 4

Switch 5

Switch 6

Switch 7

Switch 8

4MB

closed

open

closed

open

open

N/A

N/A

open

8MB

closed

open

closed

open

open

N/A

N/A

open

8MB

open

closed

closed

open

open

N/A

N/A

open

12MB

closed

open

closed

open

open

N/A

N/A

open

12MB

open

closed

closed

open

open

N/A

N/A

open

16MB

open

closed

closed

open

open

N/A

N/A

open

16MB

open

closed

open

closed

open

N/A

N/A

open

16MB

closed

open

closed

open

open

N/A

N/A

closed

20MB

closed

open

closed

open

open

N/A

N/A

open

24MB

open

closed

open

closed

open

N/A

N/A

open

DRAM SWITCH (JP8) CONFIGURATION

Size

Switch 1

Switch 2

Switch 3

Switch 4

Switch 5

Switch 6

Switch 7

Switch 8

4MB

closed

open

open

open

open

open

open

open

8MB

closed

open

open

open

closed

open

open

open

8MB

closed

closed

open

open

open

open

open

open

12MB

closed

open

closed

open

closed

open

closed

open

12MB

closed

closed

closed

open

open

open

open

open

16MB

closed

closed

closed

closed

open

open

open

open

16MB

closed

closed

closed

closed

open

open

open

open

16MB

closed

open

open

open

open

open

open

open

20MB

closed

closed

closed

closed

closed

open

open

open

24MB

closed

closed

closed

closed

closed

open

closed

open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

4MB

(4) 256K x 36

NONE

NONE

8MB

(4) 256K x 36

(4) 256K x 36

NONE

8MB

(4) 512K x 36

NONE

NONE

12MB

(4) 256K x 36

(4) 256K x 36

(4) 256K x 36

12MB

(4) 512K x 36

(4) 256K x 36

NONE

16MB

(4) 512K x 36

(4) 256K x 36

(4) 256K x 36

16MB

(4) 512K x 36

(4) 512K x 36

NONE

16MB

(4) 1M x 36

NONE

NONE

20MB

(4) 512K x 36

(4) 512K x 36

(4) 256K x 36

24MB

(4) 512K x 36

(4) 512K x 36

(4) 512K x 36

SERIAL PORT 1 (PJ3) CONFIGURATION

COM

Interrupt

I/O Address

Jumper PJ6

S0

S1

COM 2

IRQ3

2F8h

pins 1 & 3

pins 1 & 2

pins 2 & 3

COM 1

IRQ4

3F8h

pins 1 & 2

pins 2 & 3

pins 2 & 3

Disabled

N/A

N/A

N/A

pins 1 & 2

pins 1 & 2

Note: Pins designated should be in the closed position.

SERIAL PORT 2 (PJ4) CONFIGURATION

COM

Interrupt

I/O Address

Jumper PJ6

S2

S3

COM 1

IRQ4

3F8h

pins 2 & 4

pins 1 & 2

pins 2 & 3

COM 2

IRQ3

2F8h

pins 3 & 4

pins 2 & 3

pins 2 & 3

Disabled

N/A

N/A

N/A

pins 1 & 2

pins 1 & 2

Note: Pins designated should be in the closed position.

PARALLEL PORT 1 (PJ2) CONFIGURATION

LPT

Interrupt

I/O Address

Jumper P0

Jumper P1

Jumper PRT

LPT 1

IRQ7

3F8h

pins 1 & 2

pins 2 & 3

pins 2 & 3

LPT 2

IRQ5

2F8h

pins 2 & 3

pins 2 & 3

pins 1 & 2

LPT 3

IRQ7

3BCh

pins 2 & 3

pins 1 & 2

pins 2 & 3

Disabled

N/A

N/A

pins 1 & 2

pins 1 & 2

N/A

Note: Pins designated should be in the closed position.