UNIDENTIFIED
L90 GRAPHICS ACCELERATOR CARD
940 GRAPHICS ACCELERATOR CARD
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Data bus: |
VESA local bus |
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Size: |
Full-length, full-height card |
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Hard drive supported: |
Two IDE (AT) Interface drives |
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Floppy drives supported: |
Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
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CONNECTIONS | |
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Function |
Location |
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25-pin parallel port (LPT1/2) - external |
CN1 |
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15-pin analog video port |
CN2 |
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10-pin serial port (COM2/4) - internal |
CN3 |
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10-pin serial port (COM1/3) - internal |
CN4 |
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16-pin game port |
CN5 |
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34-pin control cable connector - floppy drive |
CN6 |
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Feature Connector |
CN7 |
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40-pin IDE (AT) Interface connector |
CN8 |
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USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
|
RDYRTN# |
JP3 |
pins 1 & 2 closed | |
| » |
LRDY# |
JP3 |
pins 2 & 3 closed |
| » |
Hard disk drive - enabled |
JP7 |
closed |
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Hard disk drive - disabled |
JP7 |
open | |
| » |
CPU speed <= 33mhz |
JP11 |
open |
|
CPU speed > 33mhz |
JP11 |
closed | |
| » |
Parallel port - IRQ7 |
JP14 |
pins 2 & 3 closed |
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Parallel port - IRQ5 |
JP14 |
pins 1 & 2 closed | |
| » |
Floppy controller - enabled |
JP15 |
pins 1 & 2 closed |
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Floppy controller - disabled |
JP15 |
pins 2 & 3 closed | |
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VGA MODE SELECT | |||
|
Setting |
JP5 |
JP4 | |
| » |
Enabled |
pins 2 & 3 closed |
pins 2 & 3 closed |
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Disabled |
pins 1 & 2 closed |
pins 1 & 2 closed | |
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COM PORT SELECT | ||||
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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 | |
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COM 2 - (2F8H) |
COM 3 - (3E8H) |
pins 1 & 2 closed |
pins 2 & 3 closed | |
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PARALLEL PORT SELECT | |||
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Setting |
JP16 |
JP17 | |
| » |
LPT2 - (378h) |
pins 1 & 2 closed |
pins 1 & 2 closed |
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LPT1 - (2BCh) |
pins 1 & 2 closed |
pins 2 & 3 closed | |
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LPT3 - (278h) |
pins 2 & 3 closed |
pins 1 & 2 closed | |
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Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed | |
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COM PORT SELECT | |||||
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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 | |
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Disabled |
Enabled |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed | |
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Disabled |
Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed |
N/A | |
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MEMORY BANK CONFIGURATION | ||
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Size |
Bank 0 |
Bank 1 |
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1 MB |
(2) 512K x 9 |
NONE |
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2 MB |
(2) 512K x 9 |
(8) 256K x 4 |