DATA TECHNOLOGY CORPORATION
===========================

   DTC5187I, DTC7187

   +------------------------------------------------------------+
   +------------------------------------------------------------+

   Data bus: 16-bit, ISA

   Size: Half-length, full-height card

   Hard drives supported:  Two RLL 2,7 ST506/412 drives with 17,
   32, 60 sector mapping

   Floppy drives supported: None

   Sector interleave: DTC5187i: 2:1

   DTC7187i: 1:1

<gopher://bitreich.org/I/th99/c/C-D/20067-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                  |    Location    |
   |-------------------------------------------+----------------|
   | 34-pin control cable connector-hard drive |       J1       |
   |-------------------------------------------+----------------|
   | 20-pin data cable connector-drive 0       |       J2       |
   |-------------------------------------------+----------------|
   | 20-pin data cable connector-drive 1       |       J3       |
   |-------------------------------------------+----------------|
   | 4-pin connector-drive active LED          |       J4       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | Floppy Drive Changed Signal    |    W1    |    open    |
   |   | not driven                     |          |            |
   |---+--------------------------------+----------+------------|
   |   | Floppy Drive Changed Signal    |    W1    |   closed   |
   |   | driven low                     |          |            |
   |---+--------------------------------+----------+------------|
   |>> | Initial interrupt enabled      |    W4    | pins 2 & 3 |
   |   | after reset                    |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Initial interrupt disabled     |    W4    | pins 1 & 2 |
   |   | after reset                    |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Auto-deselect enabled          |    W6    |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Auto-deselect disabled         |    W6    |    open    |
   |---+--------------------------------+----------+------------|
   |>> | Normal operation mode          |    W7    |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Internal use mode              |    W7    |    open    |
   |---+--------------------------------+----------+------------|
   |>> | BIOS enabled                   |    W8    |   closed   |
   |---+--------------------------------+----------+------------|
   |   | BIOS disabled                  |    W8    |    open    |
   |---+--------------------------------+----------+------------|
   |>> | BIOS address is C800:0000 to   |    W9    |    open    |
   |   | C800:3FFFh                     |          |            |
   |---+--------------------------------+----------+------------|
   |   | BIOS address is D800:0000 to   |    W9    |   closed   |
   |   | D800:3FFFh                     |          |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  HARD DRIVE PORT ADDRESS                   |
   |------------------------------------------------------------|
   |                 Address                 |   W2    |   W3   |
   |-----------------------------------------+---------+--------|
   |>> | Port addresses are 1F0-1F7 3F6-3F7h |  open   |  open  |
   |---+-------------------------------------+---------+--------|
   |   | Port addresses are 170-177 376-377h | closed  | closed |
   +------------------------------------------------------------+