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S26361-D824

SIEMENS NIXDORF INFORMATIONSSYSTEME AG

S26361-D824

Processor

80486SX/80486SX2/80486DX/80486DX2

Processor Speed

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

Chip Set

Unidentified

Video Chip Set

Unidentified

Maximum Onboard Memory

32MB

Maximum Video Memory

1MB

Cache

None

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), video pass through connector, VGA port, riser slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Video pass through connector

CN1

IDE interface

CN7

PS/2 mouse port

CN2

Floppy drive interface

CN8

Serial port 1

CN3

Front panel connector

CN9

Serial port 2

CN4

Speaker

CN10

Parallel port

CN5

Riser slot

SL1

VGA port

CN6

Reset switch

X31

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

On board video enabled

X60

Pins 1 & 2 closed

 

On board video disabled

X60

Pins 2 & 3 closed

VGA IRQ9 disabled

X161

Pins 1 & 2 closed

 

VGA IRQ9 enabled

X161

Pins 2 & 3 closed

PS/2 mouse IRQ12 enabled

X162

Pins 1 & 2 closed

 

PS/2 mouse IRQ12 disabled

X162

Pins 2 & 3 closed

Monitor type select color

X165

Pins 1 & 2 closed

 

Monitor type select monochrome

X165

Pins 2 & 3 closed

CMOS memory normal operation

X166

Pins 1 & 2 closed

 

CMOS memory clear

X166

Pins 2 & 3 closed

 

Floppy drive write protect disabled

X192

Pins 1 & 2 closed

 

Floppy drive write protect enabled

X192

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(1) 1M x 36

None

8MB

(1) 2M x 36

None

8MB

(1) 1M x 36

(1) 1M x 36

12MB

(1) 2M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

16MB

(1) 4M x 36

None

24MB

(1) 4M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

32MB

(1) 8M x 36

None

VIDEO MEMORY CONFIGURATION

Size

Bank 0

Bank 1

512KB

512KB

None

1MB

512KB

512KB

Note: The size of the chip is unidentified.

CPU SPEED SELECTION

Speed

X41

25MHz

Pins 1 & 2 closed

33MHz

Pins 2 & 3 closed

50iMHz

Pins 1 & 2 closed

66iMHz

Pins 2 & 3 closed

CPU TYPE SELECTION

Type

X33

80486SX

Pins 1 & 2 closed

80486SX2

Pins 2 & 3 closed

80486DX

Pins 2 & 3 closed

80486DX2

Pins 2 & 3 closed

CPU TYPE SELECTION

Type

X32

Write through

Pins 1 & 2 closed

 

Write back

Pins 2 & 3 closed

MISCELLANEOUS TECHNICAL NOTE

Note: The location of pin 1 on the connectors are unidentified. Jumpers that are not labeled may be factory configured.