STORAGE DIMENSIONS ================== SDC802 Card Type Hard drive controller Hard Drives Up to 7 SCSI-1 devices supported Floppy drives Two 360KB, 720KB, 1.2MB, or 1.44MB drives supported Data Bus 8-bit ISA Card Size Half-length, full-height +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Location | Function | Location | |-------------+----------+------------------------+----------| | 25-pin SCSI | CN1 | 34-pin cable connector | CN3 | | connector - | | - floppy drive | | | external | | | | |-------------+----------+------------------------+----------| | 50-pin SCSI | CN2 | | | | connector - | | | | | internal | | | | +------------------------------------------------------------+ +---------------------------------------------------------------+ | BIOS ADDRESS SELECTION | |---------------------------------------------------------------| |Setting|JP1/1 |JP1/2 |JP1/3 |JP1/4 |JP1/5 |JP1/6 |JP1/7 |JP1/8 | |-------+------+------+------+------+------+------+------+------| | C000h |Closed| Open | Open | Open | Open | Open | Open | Open | |-------+------+------+------+------+------+------+------+------| | C400h | Open |Closed| Open | Open | Open | Open | Open | Open | |-------+------+------+------+------+------+------+------+------| | C800h | Open | Open |Closed| Open | Open | Open | Open | Open | |-------+------+------+------+------+------+------+------+------| | CC00h | Open | Open | Open |Closed| Open | Open | Open | Open | |-------+------+------+------+------+------+------+------+------| | D000h | Open | Open | Open | Open |Closed| Open | Open | Open | |-------+------+------+------+------+------+------+------+------| | D400h | Open | Open | Open | Open | Open |Closed| Open | Open | |-------+------+------+------+------+------+------+------+------| | D800h | Open | Open | Open | Open | Open | Open |Closed| Open | |-------+------+------+------+------+------+------+------+------| | DC00h | Open | Open | Open | Open | Open | Open | Open |Closed| |---------------------------------------------------------------| | Note:To disable BIOS remove chip U11 (not diagrammed). | +---------------------------------------------------------------+ +------------------------------------------------------------+ | INTERRUPT SELECTION | |------------------------------------------------------------| | IRQ | JP2/1 | JP2/2 | JP2/3 | JP2/4 | JP2/5 | |---------------+--------+--------+--------+--------+--------| | | IRQ3 | Open | Closed | Open | Open | Open | |---+-----------+--------+--------+--------+--------+--------| | | IRQ4 | Open | Open | Closed | Open | Open | |---+-----------+--------+--------+--------+--------+--------| | | IRQ5 | Open | Open | Open | Closed | Open | |---+-----------+--------+--------+--------+--------+--------| | | IRQ7 | Open | Open | Open | Open | Closed | |---+-----------+--------+--------+--------+--------+--------| |>> | IRQ9/None | Closed | Open | Open | Open | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | WAIT STATE SELECTION | |------------------------------------------------------------| | Setting | JP3/1 | JP3/2 | |----------------------+------------------+------------------| |>> | Normal | Closed | Open | |---+------------------+------------------+------------------| | | Zero | Open | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOPPY INTERFACE CONFIGURATION | |------------------------------------------------------------| | Setting | JP4/1 | JP4/2 | |------------------------+-----------------+-----------------| |>> | Enabled | Open | Closed | |---+--------------------+-----------------+-----------------| | | Disabled | Closed | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOPPY DRIVE SPEED SELECTION | |------------------------------------------------------------| | Setting | JP5/1 | JP5/2 | |------------------------+-----------------+-----------------| |>> | Single speed | Closed | Open | |---+--------------------+-----------------+-----------------| | | Dual speed | Open | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOPPY DRIVE PRECOMPENSATION SELECTION | |------------------------------------------------------------| | Setting | JP6/1 | JP6/2 | |------------------------+------------------+----------------| |>> | 125ns | Closed | Open | |------+-----------------+------------------+----------------| | | 187ns | Open | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOPPY DRIVE STANDARD/IBM COMBO MODE SELECTION | |------------------------------------------------------------| | Setting | JP7/1 | JP7/2 | |---------------------------+----------------+---------------| |>> | IBM Combo card | Open | Closed | |------+--------------------+----------------+---------------| | | Standard | Closed | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | MISCELLANEOUS TECHNICAL NOTES | |------------------------------------------------------------| | Remove terminating resistors when connecting external and | | internal devices at the same time. | +------------------------------------------------------------+