LARK ASSOCIATES, INC.
LRK-330/331
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Data bus: |
16-bit ISA |
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Size: |
Three-quarter length, full-height card |
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Hard drive supported: |
Two ESDI 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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34-pin cable connector - floppy drive |
J1 |
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20-pin data cable connector- drive 1 |
J3 |
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20-pin data cable connector- drive 0 |
J4 |
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34-pin control cable connector-hard drive |
J5 |
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4-pin connector - drive active LED |
J6 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
|
Primary hard drive address is 1F0h-1F7h Primary floppy drive address is 370h-3F7h |
W1 |
open | |
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Secondary hard drive address is 170h-177h Secondary floppy drive address is 370h-377h |
W1 |
closed | |
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Floppy drive is single speed |
W2 |
open | |
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Floppy drive is dual speed |
W2 |
closed | |
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Interrupt delay disabled |
W3 |
open | |
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Interrupt delay enabled |
W3 |
closed | |
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USER CONFIGURABLE SETTINGS (CONTINUED) | |||
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Function |
Location |
Setting | |
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Factory configured - do not alter |
W4 |
N/A | |
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IDE(AT) IRQ 14 select |
W9 |
closed | |
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IDE(AT) IRQ 15 select |
W10 |
closed | |
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Floppy drive interface enabled |
W11 |
open | |
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Floppy drive interface disabled |
W11 |
closed | |
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Note: W12 is unidentified | |||
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BIOS ADDRESS SELECTION | |||||
|
Address |
W5 |
W6 |
W7 |
W8 | |
|
C800h |
closed |
open |
open |
open | |
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CC00h |
open |
closed |
open |
open | |
|
D000h |
open |
open |
closed |
open | |
|
D400h |
open |
open |
open |
closed | |
|
Disabled |
open |
open |
open |
open | |