HwMuseum | Index

INTEL CORPORATION

ABOVE BOARD PS

Card Type

Multi-I/O card

Chip Set

Unidentified

Maximum Onboard Memory

1.5MB DRAM

I/O Options

Parallel port, serial port

Data Bus

8-bit ISA

Floppy drives supported

None

CONNECTIONS

Function

Label

Function

Label

Parallel port

CN1

Serial port

CN2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Clock enabled

SW1/1

On

 

Clock disabled

SW1/1

Off

 

Chip type select 64KB

SW1/7

Off

 

Chip type select 256KB

SW1/7

On

»

Factory configured - do not alter

SW1/8

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

64KB

(9) 64K x 1

None

None

128KB

(9) 64K x 1

(9) 64K x 1

None

192KB

(9) 64K x 1

(9) 64K x 1

(9) 64K x 1

256KB

(9) 64K x 1

(9) 64K x 1

(9) 64K x 1

256KB

(9) 256K x 1

None

None

320KB

(9) 64K x 1

(9) 64K x 1

(9) 64K x 1

384KB

(9) 64K x 1

(9) 64K x 1

(9) 64K x 1

512KB

(9) 256K x 1

(9) 256K x 1

None

768KB

(9) 256K x 1

(9) 256K x 1

(9) 256K x 1

1024KB

(9) 256K x 1

(9) 256K x 1

(9) 256K x 1

1280KB

(9) 256K x 1

(9) 256K x 1

(9) 256K x 1

1536KB

(9) 256K x 1

(9) 256K x 1

(9) 256K x 1

DRAM CONFIGURATION (CON’T)

Size

Bank 3

Bank 4

Bank 5

64KB

None

None

None

128KB

None

None

None

192KB

None

None

None

256KB

(9) 64K x 1

None

None

256KB

None

None

None

320KB

(9) 64K x 1

(9) 64K x 1

None

384KB

(9) 64K x 1

(9) 64K x 1

(9) 64K x 1

512KB

None

None

None

768KB

None

None

None

1024KB

(9) 256K x 1

None

None

1280KB

(9) 256K x 1

(9) 256K x 1

None

1536KB

(9) 256K x 1

(9) 256K x 1

(9) 256K x 1

CONVENTIONAL MEMORY ADDRESS

Address

SW1/2

SW1/3

»

256KB

Off

On

 

512KB

On

Off

 

None

On

On

PARALLEL PORT ADDRESS SELECTION

Setting

SW2/1

SW2/2

»

LPT1 (378h)

Off

On

 

LPT2 (278h)

On

Off

 

Disabled

Off

Off

SERIAL PORT 1 ADDRESS SELECTION

Setting

SW2/3

SW2/4

»

COM1 (3F8h)

Off

On

 

COM2 (2F8h)

On

Off

 

Disabled

Off

Off

BASE I/O ADDRESS SELECTION

Setting

SW1/4

SW1/5

SW1/6

 

None

Off

Off

Off

 

208h - 20Fh

Off

Off

On

 

218h - 21Fh

Off

On

Off

»

258h - 25Fh

Off

On

On

 

268h - 26Fh

On

Off

Off

 

2A8h - 2AFh

On

Off

On

 

2B8h - 2BFh

On

On

Off

 

2E8h - 2EFh

On

On

On