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S26361-D800

SIEMENS NIXDORF INFORMATIONSSYSTEME AG

S26361-D800

Processor

80486SX/80486SX2/80486DX/80486DX2/80486DX4/Pentium Overdrive

Processor Speed

25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz

Chip Set

Unidentified

Max. Onboard DRAM

128MB

Cache

128/256KB

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (1), floppy drive interface, IDE interfaces (2), 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 1

CN8

Parallel port

CN2

IDE interface 2

CN9

Serial port 2

CN3

Imageport connector

CN10

Serial port 1

CN4

VGA feature connector

CN11

PS/2 mouse port

CN5

Speaker

JP1

Optional power connector

CN6

LED connector

JP2

Floppy drive interface

CN7

32-bit PCI slot

SL1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

L2 cache installed

J5D

pins 1 & 2 closed

 

L2 cache not installed

J5D

pins 2 & 3 closed

Cache type select HIT

J5E

pins 1 & 2 closed

 

Cache type select L2WB

J5E

pins 2 & 3 closed

Cache type select write through

J5F

pins 1 & 2 closed

 

Cache type select write back (Pentium Overdrive)

J5F

pins 2 & 3 closed

Factory configured - do not alter

J6A

Closed

Flash BIOS mode select normal

J6B

Open

 

Flash BIOS mode select recovery

J6B

Closed

Floppy drive interface enabled

J6C

Closed

 

Floppy drive interface disabled

J6C

Open

Flash BIOS write protect enabled

J6D

Open

 

Flash BIOS write protect disabled

J6D

Closed

CMOS memory normal operation

J6E

Open

 

CMOS memory clear

J6E

Closed

Factory configured - do not alter

J7

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

MD1

128KB

(4) 32K x 8

NONE

(1) 8K x 8

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

J5B

J5C

128KB

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

J3

80486SX

pins 1 & 2 closed

80486SX2

pins 1 & 2 closed

80486DX

pins 2 & 3 closed

80486DX2

pins 2 & 3 closed

80486DX4

pins 2 & 3 closed

Pentium Overdrive

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

J2

J5A

Non SL enhanced CPU

pins 2 & 3, 5 & 6 closed

pins 2 & 3 closed

SL enhanced CPU

pins 1 & 2, 4 & 5 closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

J6F

25MHz

Open

33MHz

Closed

50iMHz

Open

66iMHz

Closed

75iMHz

Open

100iMHz

Closed

CPU VOLTAGE CONFIGURATION

Voltage

J4

3.3v

pins 1 & 2 closed

5v

pins 2 & 3 closed

DMA CHANNEL CONFIGURATION

DMA

J1

DMA 1

pins 1 & 2, 4 & 5 closed

DMA 3

pins 2 & 3, 5 & 6 closed