HwMuseum | Index

UNIDENTIFIED

L90 GRAPHICS ACCELERATOR CARD

940 GRAPHICS ACCELERATOR CARD

Data bus:

VESA local bus

Size:

Full-length, full-height card

Hard drive supported:

Two IDE (AT) Interface drives

Floppy drives supported:

Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS

Function

Location

25-pin parallel port (LPT1/2) - external

CN1

15-pin analog video port

CN2

10-pin serial port (COM2/4) - internal

CN3

10-pin serial port (COM1/3) - internal

CN4

16-pin game port

CN5

34-pin control cable connector - floppy drive

CN6

Feature Connector

CN7

40-pin IDE (AT) Interface connector

CN8

USER CONFIGURABLE SETTINGS

Function

Location

Setting

 

RDYRTN#

JP3

pins 1 & 2 closed

»

LRDY#

JP3

pins 2 & 3 closed

»

Hard disk drive - enabled

JP7

closed

 

Hard disk drive - disabled

JP7

open

»

CPU speed <= 33mhz

JP11

open

 

CPU speed > 33mhz

JP11

closed

»

Parallel port - IRQ7

JP14

pins 2 & 3 closed

 

Parallel port - IRQ5

JP14

pins 1 & 2 closed

»

Floppy controller - enabled

JP15

pins 1 & 2 closed

 

Floppy controller - disabled

JP15

pins 2 & 3 closed

VGA MODE SELECT

Setting

JP5

JP4

»

Enabled

pins 2 & 3 closed

pins 2 & 3 closed

 

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

COM PORT SELECT

Serial 1

Serial 2

JP12

JP13

»

COM 1 - (3F8H)

COM 2 - (2F8H)

pins 2 & 3 closed

pins 1 & 2 closed

 

COM 1 - (3F8H)

COM 4 - (2E8H)

pins 1 & 2 closed

pins 1 & 2 closed

 

COM 3 - (3E8H)

COM 4 - (2E8H)

pins 2 & 3 closed

pins 2 & 3 closed

 

COM 2 - (2F8H)

COM 3 - (3E8H)

pins 1 & 2 closed

pins 2 & 3 closed

PARALLEL PORT SELECT

Setting

JP16

JP17

»

LPT2 - (378h)

pins 1 & 2 closed

pins 1 & 2 closed

 

LPT1 - (2BCh)

pins 1 & 2 closed

pins 2 & 3 closed

 

LPT3 - (278h)

pins 2 & 3 closed

pins 1 & 2 closed

 

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

COM PORT SELECT

Serial 1

Serial 2

JP18

JP19

JP21

»

Enabled

Enabled

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

 

Enabled

Disabled

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

 

Disabled

Enabled

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

N/A

MEMORY BANK CONFIGURATION

Size

Bank 0

Bank 1

1 MB

(2) 512K x 9

NONE

2 MB

(2) 512K x 9

(8) 256K x 4