HwMuseum | Index

TEXAS INSTRUMENTS

SYSTEM SP1000

Processor

80386SX

Processor Speed

16MHz

Chip Set

AMD

Max. onboard DRAM

1MB

Cache

None

BIOS

AMD

Dimensions

355mm x 304mm

I/O Options

32-bit proprietary bus slot

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Control panel connector

J23

32-bit proprietary bus slot

S1

USER CONFIGURABLE SETTINGS

Function

Switch

Position

»

Monitor type select monochrome

SW1/switch 5

Off

 

Monitor type select color

SW1/switch 5

On

»

CPU speed select smart mode

SW1/switch 6

On

 

CPU speed select 16MHz

SW1/switch 6

Off

»

Factory configured - do not alter

SW2/switch 1

N/A

»

System select 1 wait state

SW2/switch 3

Off

 

System select 0 wait states

SW2/switch 3

On

»

Factory configured - do not alter

SW2/switch 4

N/A

Note:In the smart mode, the processor slows down during accesses to the diskette drive.

BIOS CONFIGURATION

BIOS

SW1/switch 1

SW1/switch 2

SW1/switch 3

SW1/switch 4

»

27128

On

On

Off

Off

 

27256

Off

Off

On

On

NPU CONFIGURATION

NPU

J20

J21

J22

»

Enabled

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

SYSTEM DRAM CONFIGURATION

Size

DIPPs

1MB

(32) 41256

SYSTEM MEMORY MODE CONFIGURATION

Base

BIOS

External Memory

SW1/7

SW1/8

SW2/2

640KB

Normal

0KB

On

On

Off

640KB

Loaded high

0KB

On

Off

Off

640KB

Normal

256KB

Off

On

On

640KB

Loaded high

256KB

Off

Off

On

USER CONFIGURABLE SETTINGS FOR EXTERNAL MEMORY

Function

Jumper

Position

»

Factory configured - do not alter

JP1

pins 1 & 2 closed

»

Factory configured - do not alter

JP2

pins 2 & 3 closed

»

Factory configured - do not alter

TP1

pins 3 & 8, 4 & 9 closed

»

Factory configured - do not alter

TP2

pins 3 & 8, 4 & 9 closed

EXTERNAL MEMORY CONFIGURATION

Size

Bank 1

Bank 2

Bank 3

Bank 4

2MB

(16) 411000

NONE

NONE

NONE

4MB

(16) 411000

(16) 411000

NONE

NONE

6MB

(16) 411000

(16) 411000

(16) 411000

NONE

8MB

(16) 411000

(16) 411000

(16) 411000

(16) 411000

EXTERNAL MEMORY SWITCH CONFIGURATION

Size

SW1/switch 1

SW1/switch 2

SW1/switch 3

2MB

On

On

On

4MB

Off

On

On

6MB

Off

Off

On

8MB

Off

Off

Off