UNIDENTIFIED
FD/HD/TD Controller
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Data bus: 16-bit,ISA
Size: Half-length, half-height card
Hard drives supported: Two MFM ST506 drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, 1.44MB
Sector interleave: 1:1
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CONNECTIONS | |
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Function |
Location |
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34-pin control cable connector-floppy drive |
J1 |
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50-pin control cable connector-tape drive |
J2 |
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20-pin data cable connector-drive 0 |
J3 |
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20-pin data cable connector-drive 1 |
J4 |
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34-pin control cable connector-hard drive |
J5 |
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2-pin connector-drive active LED |
J6 |
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TAPE DRIVE I/O PORT ADDRESS | ||||
|
Address |
Jumper W4 |
Jumper W5 |
Jumper W6 | |
|
208h |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed | |
|
108h |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed | |
|
218h |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed | |
|
118h |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed | |
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USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
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Reserved for Phase Lock Loop Feedback circuit |
W1 |
pins 1 & 2 closed | |
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Reserved for Read Gate |
W1 |
pins 1 & 2 closed | |
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Floppy drive port address is 3F0-3F7h |
W7 |
pins 2 & 3 closed | |
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Floppy drive port address is 370-377h |
W7 |
pins 1 & 2 closed | |
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Hard drive port address is 1F0-1F7h |
W8 |
pins 2 & 3 closed | |
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Hard drive port address is 170-177h |
W8 |
pins 1 & 2 closed | |
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Reserved for Read Data Window |
W9 |
pins 1 & 2 closed | |
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Reserved for Read Data Window |
W10 |
pins 1 & 2 closed | |
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Frame ground and signal ground |
W11 |
pins 1 & 2 closed | |
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Frame ground and signal ground |
W12 |
pins 1 & 2 closed | |
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INTERRUPT REQUEST | |||||
|
IRQ |
SW1/switch 1 |
SW1/switch 2 |
SW1/switch 3 |
SW1/switch 4 | |
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IRQ10 |
on |
off |
off |
off | |
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IRQ11 |
off |
on |
off |
off | |
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IRQ12 |
off |
off |
on |
off | |
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IRQ15 |
off |
off |
off |
on | |
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DMA CHANNEL | ||||
|
Channel |
SW1/switch 5 and 8 |
SW1/switch 6 and 9 |
SW1/switch 7 and 10 | |
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DRQ5 |
on |
off |
off | |
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DRQ6 |
off |
on |
off | |
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DRQ7 |
off |
off |
on | |