SIEMENS NIXDORF INFORMATIONSSYSTEME AG

80386SX/25 MHZ

Processor

80386SX

Processor Speed

25MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

16MB

Maximum Video Memory

None

Cache

None

BIOS

Unidentified

Dimensions

Unidentified

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2), VGA port, external CRT controller

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

CN1

Serial port 1

CN10

Floppy drive interface

CN2

VGA port

CN11

IDE interface LED

CN3

Auxiliary keyboard connector

CN12

IDE indicator connector

CN4

Serial connector 2

CN13

System interface

CN5

PS/2 mouse interface

CN14

PS/2 mouse port

CN7

External CRT controller

CN15

Parallel port

CN8

External battery

CN16

Serial port 2

CN9

Keyswitch connector

CN17

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Monitor type select color

X1

Pins 2 & 3 closed

 

Monitor type select monochrome

X1

Pins 1 & 2 closed

»

On board I/O enabled

X3

Closed

 

On board I/O disabled

X3

Open

»

Factory configured - do not alter

X4

Unidentified

»

Automatic recognition of HD & DD floppy drives enabled

X6

Pins 1 & 2 closed

 

Automatic recognition of HD & DD floppy drives disabled

X6

Pins 2 & 3 closed

»

VGA IRQ9 enabled

X9

Closed

 

VGA IRQ9 disabled

X9

Open

»

ISA bus driver current select 12mA

X30

Pins 2 & 3 closed

 

ISA bus driver current select 24mA

X30

Pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 1M x 9

None

4MB

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

None

10MB

(2) 1M x 9

(2) 4M x 9

16MB

(2) 4M x 9

(2) 4M x 9