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SYSTEM BOARD D931

SIEMENS NIXDORF INFORMATIONSSYSTEME AG

SYSTEM BOARD D931

Processor

Pentium Pro

Processor Speed

150/166/180/200MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

256MB

Maximum Video Memory

None

Cache

256KB (on Pentium Pro CPU)

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), serial port TTL, riser slot, IR connectors (2), remote on connector, chipcard reader connector, soft off power supply connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

CN1

IDE interface 2

CN11

Serial port 1

CN2

Speaker

J1

Serial port 2

CN3

Front panel connector

J2

Parallel port

CN4

Front panel connector

J3

Serial port 2 TTL

CN5

On/off switch

J4

Remote on connector

CN6

Chassis fan power

J5

Chipcard reader connector

CN7

IR connector

J6

Soft off power supply connector

CN8

Front panel led/IR connector

J7

Floppy drive interface

CN9

Riser slot

SL1

IDE interface 1

CN10

   

Note: If CN7 is used, no device may be connected to CN2. If CN5 is used, no device may be connected to CN3.

USER CONFIGURABLE SETTINGS

Function

Label

Position

Floppy drive write protect disabled

FDP

Open

 

Floppy drive write protect enabled

FDP

Closed

BIOS write protect disabled

FLP

Open

 

BIOS write protect enabled

FLP

Closed

BIOS started from the system module

RCV

Open

 

BIOS started from floppy and restores BIOS

RCV

Closed

Factory configured - do not alter

SKP

Unidentified

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 1M x 36

24MB

(2) 1M x 36

(2) 2M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 4M x 36

(2) 1M x 36

40MB

(2) 1M x 36

(2) 4M x 36

48MB

(2) 4M x 36

(2) 2M x 36

48MB

(2) 2M x 36

(2) 4M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 8M x 36

(2) 1M x 36

72MB

(2) 1M x 36

(2) 8M x 36

80MB

(2) 8M x 36

(2) 2M x 36

80MB

(2) 2M x 36

(2) 8M x 36

96MB

(2) 8M x 36

(2) 4M x 36

96MB

(2) 4M x 36

(2) 8M x 36

128MB

(2) 8M x 36

(2) 8M x 36

DRAM CONFIGURATION (CONT)

Size

Bank 0

Bank 1

128MB

(2) 16M x 36

None

136MB

(2) 16M x 36

(2) 1M x 36

144MB

(2) 16M x 36

(2) 2M x 36

160MB

(2) 16M x 36

(2) 4M x 36

192MB

(2) 16M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 16M x 36

CACHE CONFIGURATION

Note: 256KB cache is located on the Pentium Pro CPU.

CPU SPEED SELECTION

Speed

CF0

CF1

CF2

CF3

F0

F1

F2

150MHz

Closed

Closed

Closed

Open

Open

Open

Open

166MHz

Closed

Closed

Closed

Open

Closed

Open

Open

180MHz

Closed

Closed

Open

Closed

Open

Open

Open

200MHz

Closed

Closed

Open

Closed

Closed

Open

Open