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 [Image] 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 pins 1 & 2 pins 1 & 2 closed closed closed 108h pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed 218h pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed » 118h pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed USER CONFIGURABLE SETTINGS Function Location Setting » Reserved for Phase Lock Loop W1 pins 1 & 2 Feedback circuit closed » Reserved for Read Gate W1 pins 1 & 2 closed » Floppy drive port address is W7 pins 2 & 3 3F0-3F7h closed Floppy drive port address is W7 pins 1 & 2 370-377h closed » Hard drive port address is W8 pins 2 & 3 1F0-1F7h closed Hard drive port address is W8 pins 1 & 2 170-177h 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 W11 pins 1 & 2 ground closed » Frame ground and signal W12 pins 1 & 2 ground 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 SW1/switch 6 and SW1/switch 7 and 8 9 10 » DRQ5 on off off DRQ6 off on off DRQ7 off off on