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U15002-C390

SIEMENS NIXDORF INFORMATIONSSYTEME AG

U15002-C390

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

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

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

32MB

Maximum Video Memory

None

Cache

64/128/256KB

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

CN1

Floppy drive interface

CN7

Serial port 1

CN2

IDE interface

CN8

Serial port 2

CN3

Speaker

CN9

Parallel port

CN4

Front panel connector

CN10

VGA port

CN5

Riser slot

SL1

Feature connector

CN6

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

Battery type select internal

JP8

Pins 1 & 2 closed

 

Battery type select external

JP8

Pins 2 & 3 closed

Monitor type select color

JP10

Open

Monitor type select monochrome

JP10

Closed

PS/2 mouse IRQ12 enabled

JP11

Closed

 

PS/2 mouse IRQ12 disabled

JP11

Open

On board video enabled

JP25

Pins 1 & 2 closed

 

On board video disabled

JP25

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(4) 1M x 9

None

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

None

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

U48

U49

U50

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

None

(1) 16K x 4

128KB

(4) 32K x 8

None

(1) 8K x 8

None

(1) 16K x 4

256KB

(4) 32K x 8

(4) 32K x 8

(1) 8K x 8

(1) 8K x 8

(1) 16K x 4

Note: The location of banks 0 & 1 are unidentified.

CACHE JUMPER CONFIGURATION

Size

JP12

JP13

JP14

JP15

JP16

JP17

None

2 & 3

2 & 3

Open

Open

Open

Open

64KB

2 & 3

2 & 3

Open

Open

Open

Open

128KB

1 & 2

1 & 2

Closed

Open

Open

Closed

256KB

2 & 3

2 & 3

Closed

Closed

Closed

Closed

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION

Speed

JP5

JP6

25MHz

Closed

Open

33MHz

Open

Closed

50iMHz

Closed

Open

66iMHz

Open

Closed

CPU TYPE SELECTION

Type

JP1

JP2

JP3

80486SX

Open

Pins 1 & 2 closed

Open

80487SX

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

80486DX

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

80486DX2

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

MISCELLANEOUS TECHNICAL NOTE

Note: The location of pin 1 is unidentified.