UNIDENTIFIED
FD/HD/TD Controller
| 
 
  | 
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
| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 34-pin control cable connector-floppy drive  | 
 J1  | 
| 
 50-pin control cable connector-tape drive  | 
 J2  | 
| 
 20-pin data cable connector-drive 0  | 
 J3  | 
| 
 20-pin data cable connector-drive 1  | 
 J4  | 
| 
 34-pin control cable connector-hard drive  | 
 J5  | 
| 
 2-pin connector-drive active LED  | 
 J6  | 
| 
 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  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 Reserved for Phase Lock Loop Feedback circuit  | 
 W1  | 
 pins 1 & 2 closed  | 
| » | 
 Reserved for Read Gate  | 
 W1  | 
 pins 1 & 2 closed  | 
| » | 
 Floppy drive port address is 3F0-3F7h  | 
 W7  | 
 pins 2 & 3 closed  | 
| 
 Floppy drive port address is 370-377h  | 
 W7  | 
 pins 1 & 2 closed  | |
| » | 
 Hard drive port address is 1F0-1F7h  | 
 W8  | 
 pins 2 & 3 closed  | 
| 
 Hard drive port address is 170-177h  | 
 W8  | 
 pins 1 & 2 closed  | |
| » | 
 Reserved for Read Data Window  | 
 W9  | 
 pins 1 & 2 closed  | 
| » | 
 Reserved for Read Data Window  | 
 W10  | 
 pins 1 & 2 closed  | 
| » | 
 Frame ground and signal ground  | 
 W11  | 
 pins 1 & 2 closed  | 
| » | 
 Frame ground and signal ground  | 
 W12  | 
 pins 1 & 2 closed  | 
| 
 INTERRUPT REQUEST  | |||||
| 
 IRQ  | 
 SW1/switch 1  | 
 SW1/switch 2  | 
 SW1/switch 3  | 
 SW1/switch 4  | |
| 
 IRQ10  | 
 on  | 
 off  | 
 off  | 
 off  | |
| 
 IRQ11  | 
 off  | 
 on  | 
 off  | 
 off  | |
| 
 IRQ12  | 
 off  | 
 off  | 
 on  | 
 off  | |
| » | 
 IRQ15  | 
 off  | 
 off  | 
 off  | 
 on  | 
| 
 DMA CHANNEL  | ||||
| 
 Channel  | 
 SW1/switch 5 and 8  | 
 SW1/switch 6 and 9  | 
 SW1/switch 7 and 10  | |
| » | 
 DRQ5  | 
 on  | 
 off  | 
 off  | 
| 
 DRQ6  | 
 off  | 
 on  | 
 off  | |
| 
 DRQ7  | 
 off  | 
 off  | 
 on  | |