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XTRA/PROFESSIONAL SERIES 400

ITT CORPORATION

XTRA/PROFESSIONAL SERIES 400

Processor

80286

Processor Speed

6/10MHz

Chip Set

Unidentified

Max. Onboard DRAM

1MB (exact location unidentified)

Cache

None

BIOS

Unidentified

Dimensions

355mm x 305mm

I/O Options

Floppy drive interface

NPU Options

80287

CONNECTIONS

Purpose

Location

Floppy drive interface

CN1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

JP6

pins 2 & 3 closed

Floppy drive interface enabled

JP7

pins 1 & 2 closed

 

Floppy drive interface disabled

JP7

pins 2 & 3 closed

Floppy drive address select 37X

JP8

pins 1 & 2 closed

 

Floppy drive address select 3FX

JP8

pins 2 & 3 closed

Hard drive controller installed

JP9

pins 1 & 2 closed

 

Hard drive controller not installed

JP9

pins 2 & 3 closed

Power on wait state select 1 wait states

JP10

pins 1 & 2 closed

 

Power on wait state select 0 wait state

JP10

pins 2 & 3 closed

DRAM CONFIGURATION

Size

256KB

512KB

640KB

1MB

Note:The chip size and location of the memory is unidentified.

DRAM JUMPER CONFIGURATION

Size

JP4

JP5

256KB

pins 2 & 3 closed

pins 1 & 2 closed

512KB

pins 1 & 2 closed

pins 1 & 2 closed

640KB

pins 2 & 3 closed

pins 2 & 3 closed

1MB

pins 1 & 2 closed

pins 2 & 3 closed

CPU POWER UP SPEED CONFIGURATION

Speed

JP3

6MHz

pins 2 & 3 closed

10MHz

pins 1 & 2 closed

BIOS CONFIGURATION

Type

JP1

JP2

EPROM

pins 1 & 2 closed

pins 1 & 2 closed

Masked ROM

pins 2 & 3 closed

pins 2 & 3 closed