TEXAS MICRO, INC.

L5000HX SBC

Device Type

Single board computer

Processor

Pentium

Processor Speed

100/133/166MHz

Chip Set

Intel 430HX

Maximum Onboard Memory

128MB (EDO supported)

Cache

256/512KB

BIOS

Unidentified

Dimensions

338mm x 122mm

I/O Options

Floppy drive interface, IDE interfaces (2), parallel port, serial ports (2), cache slot

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface LED

C1

Serial port 1

CN4

Auxiliary keyboard connector

C2

Serial port 2

CN5

IDE interface 1

CN1

Parallel port

CN6

IDE interface 2

CN2

Cache slot

SL1

Floppy drive interface

CN3

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J1

Unidentified

»

Factory configured - do not alter

JP2

Pins 1 & 2 closed

»

Factory configured - do not alter

JP6

Pins 1 & 2 closed

»

Monitor type select color

SW1/1

On

 

Monitor type select monochrome

SW1/1

Off

»

Flash BIOS enabled; crisis recovery mode disabled

SW1/2

Off

 

Flash BIOS disabled; crisis recovery mode enabled

SW1/2

On

»

CMOS memory normal operation

SW1/3

Off

 

CMOS memory clear

SW1/3

On

»

Factory configured - do not alter

SW1/4

Off

SIMM CONFIGURATION

Size

Bank 2

8MB

(2) 1M x 36

16MB

(2) 2M x 36

32MB

(2) 4M x 36

64MB

(2) 8M x 36

128MB

(2) 16M x 36

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Size

SL1

256KB

256KB module installed

512KB

512KB module installed

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JP8

100MHz

66MHz

1.5x

2 & 4, 7 & 9, 8 & 10

133MHz

66MHz

2x

2 & 4, 6 & 8, 7 & 9

166MHz

66MHz

2.5x

2 & 4, 5 & 7, 6 & 8

Note: Pins designated should be in the closed position.

SERIAL PORT 2 SELECTION

Setting

JP1

JP3

JP4

JP5

»

RS-232

Open

Closed

Open

Open

 

RS-422

Closed

Open

Closed

Closed