SIEMENS NIXDORF INFORMATIONSSYSTEME AG

386 MODEL 302

Processor

80386DX

Processor Speed

25MHz

Chip Set

Unidentified

Max. Onboard DRAM

8MB

Cache

64KB

BIOS

Phoenix

Dimensions

355mm x 304mm

I/O Options

32-bit external memory card slots (2), parallel port, serial ports (2)

NPU Options

80387

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 2

P1

Reset switch

J18

Serial port 1

P2

Power LED & keylock

J20

Parallel port

P3

32-bit external memory card

S1

Speaker

J19

32-bit external memory card

S2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

J1

Closed

»

DRAM SIMM type select static column

J3

pins 3 & 4 closed

 

DRAM SIMM type select fast paged mode

J3

pins 1 & 2, 3 & 4 closed

 

DRAM SIMM type select standard RAS/CAS

J3

Open

»

BIOS type select 27256

J4

pins 1 & 2 closed

 

BIOS type select 27512

J4

pins 2 & 3 closed

»

Monitor type select color

J5

pins 2 & 3 closed

 

Monitor type select monochrome

J5

pins 1 & 2 closed

»

Operating system select non-UNIX

J6

pins 1 & 2 closed

 

Operating system select UNIX

J6

pins 2 & 3 closed

»

Keyboard reset enabled

J7

pins 1 & 2 closed

 

Keyboard reset disabled

J7

pins 2 & 3 closed

»

NPU absent

J8

pins 1 & 2 closed

 

NPU present

J8

pins 2 & 3 closed

»

Serial port 2 enabled

J9

pins 1 & 2 closed

 

Serial port 2 disabled

J9

pins 2 & 3 closed

»

Serial port 1 enabled

J10

pins 1 & 2 closed

 

Serial port 1 disabled

J10

pins 2 & 3 closed

»

Printer acknowledge select trailing edge

J12

pins 2 & 3 closed

 

Printer acknowledge select leading edge

J12

pins 1 & 2 closed

»

Factory configured - do not alter (100ns SIMM)

J14

pins 1 & 2, 4 & 5 closed

 

SIMM type select 256K x 9

J15

pins 1 & 2, 4 & 5 closed

 

SIMM type select 1M x 9

J15

pins 2 & 3, 5 & 6 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

DRAM JUMPER CONFIGURATION

Size

J2

1MB

Open

2MB

pins 2 & 4 closed

4MB

pins 1 & 3 closed

8MB

pins 1 & 3, 2 & 4 closed

PARALLEL PORT CONFIGURATION

Setting

J11

J13

LPT1 enabled & LPT2 disabled

pins 1 & 2 closed

pins 2 & 3 closed

LPT2 enabled & LPT1 disabled

pins 2 & 3 closed

pins 1 & 2 closed