CORONA COMPUTER CORPORATION =========================== 400 HDC Data bus: 8-bit, ISA Size: Full-length, full-height card Hard drives supported: Two MFM ST506 drives Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Location | |-------------------------------------------+----------------| | 20-pin data cable connector-drive 1 | CN1 | |-------------------------------------------+----------------| | 20-pin data cable connector-drive 0 | CN2 | |-------------------------------------------+----------------| | 34-pin control cable connector-hard drive | CN3 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRIVE TYPE COFIGURATION - SW1 | |------------------------------------------------------------| |Heads|Cyl.|Switch 1|Switch 2|Switch |Switch |Switch |Switch | | | | | | 3 | 4 | 5 | 6 | |-----+----+--------+--------+-------+-------+-------+-------| | 2 |612 | on | off | off | on | on | on | |-----+----+--------+--------+-------+-------+-------+-------| | 4 |306 | on | off | off | off | off | off | |-----+----+--------+--------+-------+-------+-------+-------| | 4 |306 | off | off | off | off | off | off | |-----+----+--------+--------+-------+-------+-------+-------| | 4 |612 | on | on | on | off | off | off | +------------------------------------------------------------+