SIEMENS NIXDORF INFORMATIONSSYSTEME AG

S26361-D802-A

Processor

80486SX/80486DX/ODP486SX/80486DX2/Pentium Overdrive

Processor Speed

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

Chip Set

Unidentified

Max. Onboard DRAM

64MB

Cache

128KB

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (1), 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

IDE interface

CN7

Parallel port

CN2

VGA feature connector

CN8

Serial port 2

CN3

Speaker

JP1

Serial port 1

CN4

LED connector

JP2

PS/2 mouse port

CN5

32-bit VESA local bus slots

SL1

Floppy drive interface

CN6

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

IRQ9 select VGA controller only

J1

pins 1 & 2 closed

 

IRQ9 select other uses

J1

pins 2 & 3 closed

»

VGA interface enabled

J4A

Closed

 

VGA interface disabled

J4A

Open

»

IDE interface enabled

J4B

Closed

 

IDE interface disabled

J4B

Open

»

Floppy drive interface enabled

J4C

Closed

 

Floppy drive interface disabled

J4C

Open

»

Factory configured - do not alter

J4D

Closed

»

Factory configured - do not alter

J4E

Open

»

Monitor type select color

J4F

Closed

 

Monitor type select monochrome

J4F

Open

»

Factory configured - do not alter

J4H

Closed

»

Password enabled

J4I

Open

 

Password disabled

J4I

Closed

»

VGA feature connector interface enabled

J5

pins 1 & 2 closed

 

VGA feature connector interface disabled

J5

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(1) 1M x 36

NONE

NONE

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

8MB

(1) 2M x 36

NONE

NONE

NONE

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

NONE

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

CACHE CONFIGURATION

Size

Bank 0

TAG

128KB

(4) 32K x 8

(1) 8K x 8

CACHE JUMPER CONFIGURATION

Type

J2

Write through

Open

Write back

Closed

CPU TYPE CONFIGURATION

Type

J3

80486SX

pins 1 & 2 closed

80486DX

pins 2 & 3 closed

80486DX2

pins 2 & 3 closed

Pentium Overdrive

pins 2 & 3 closed

CPU SPEED CONFIGURATION

Speed

J4G

25MHz

Open

33MHz

Closed

50iMHz

Open

66iMHz

Closed