TEXAS INSTRUMENTS

SYSTEM 1200/1300

Processor

80386DX

Processor Speed

16/20MHz

Chip Set

Texas Instruments

Max. onboard DRAM

8MB

Cache

None

BIOS

Texas Instruments

Dimensions

260mm x 220mm

I/O Options

External memory slot, parallel port, serial port

NPU Options

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

External memory slot

J3

CMOS battery

J10

Serial port

J8

Optional keyboard connector

J11

Parallel port

J9

   

USER CONFIGURABLE SETTINGS

Function

Switch

Position

»

Monitor type select color

SW1/switch 1

On

 

Monitor type select monochrome

SW1/switch 1

Off

»

NPU enabled

SW1/switch 2 & 3

On

 

NPU disabled

SW1/switch 2 & 3

Off

»

NPU synchronous with CPU

SW1/switch 4

Off

 

NPU asynchronous

SW1/switch 4

On

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

LED CONFIGURATION

Red1

Yel.

Gre.

Red2

Item failed

On

On

On

On

CPU

On

On

On

Off

8142 test keyboard

On

On

Off

On

8254 timer 1 test

On

On

Off

Off

ROM CRC check

On

Off

On

On

CMOS RAM test

On

Off

On

Off

Memory refresh test

On

Off

Off

On

0 - 256K RAM test

On

Off

Off

Off

Turbo mode test

Off

Off

Off

Off

Turbo parity error

Off

Off

Off

On

Nonturbo parity error

Off

On

On

On

8259 test

Off

On

On

On

8254 timer interrupt

Off

On

On

Off

Protected mode test

Off

On

Off

On

8254 timer 2 test

Off

On

Off

Off

DMA test