SIEMENS NIXDORF INFORMATIONSSYSTEME AG

S26361-D802-C

Processor

80486SX/80486DX/ODP486SX/80486DX2

Processor Speed

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

Chip Set

Unidentified

Max. Onboard DRAM

32MB

Cache

128KB

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

VGA port

CN1

Floppy drive interface

CN6

Parallel port

CN2

IDE interface

CN7

Serial port 2

CN3

VGA feature connector

CN8

Serial port 1

CN4

LED connector

JP1

PS/2 mouse port

CN5

Speaker

JP2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

IRQ12 type select

J1

pins 1 & 2 closed

 

IRQ12 type select

J1

pins 2 & 3 closed

»

CMOS memory normal operation

J3A

Open

 

CMOS memory clear

J3A

Closed

»

Factory configured - do not alter

J3B

Closed

»

Monitor type select color

J3D

Closed

 

Monitor type select monochrome

J3D

Open

»

Factory configured - do not alter

J3E

Open

»

Factory configured - do not alter

J3F

Closed

»

Floppy drive interface enabled

J3G

Closed

 

Floppy drive interface disabled

J3G

Open

»

IDE interface enabled

J3H

Open

 

IDE interface disabled

J3H

Closed

»

On board VGA controller enabled

J3I

Closed

 

On board VGA controller disabled

J3I

Open

»

VGA feature connector disabled

J4

pins 1 & 2 closed

 

VGA feature connector enabled

J4

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(1) 1M x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

8MB

(1) 2M x 36

NONE

12MB

(1) 2M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

16MB

(1) 4M x 36

NONE

20MB

(1) 4M x 36

(1) 1M x 36

24MB

(1) 4M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

32MB

(1) 8M x 36

NONE

CACHE CONFIGURATION

Size

Bank 0

TAG

128KB

(4) 32K x 8

(1) 8K x 8

CPU TYPE CONFIGURATION

Type

J2

80486SX

pins 1 & 2 closed

ODP486SX

pins 1 & 2 closed

80486DX

pins 2 & 3 closed

80486DX2

pins 2 & 3 closed

CPU SPEED CONFIGURATION

Speed

J3C

25MHz

Open

33MHz

Closed

50iMHz

Open

66iMHz

Closed