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

   DTC2188

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:          | 16-bit ISA                            |
   |--------------------+---------------------------------------|
   | Size:              | Half-length, half-height card         |
   |--------------------+---------------------------------------|
   | Hard drive         | Two IDE(AT) or EIDE interface devices |
   | supported:         |                                       |
   |--------------------+---------------------------------------|
   | Floppy drives      | None                                  |
   | supported:         |                                       |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/C-D/20835-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                Function                |     Location      |
   |----------------------------------------+-------------------|
   | Right channel audio out                |        J1         |
   |----------------------------------------+-------------------|
   | Left channel audio out                 |        J2         |
   |----------------------------------------+-------------------|
   | CD-ROM audio in                        |        J3         |
   |----------------------------------------+-------------------|
   | CD-ROM audio in                        |        J4         |
   |----------------------------------------+-------------------|
   | 40-pin EIDE(AT) interface connector    |        J5         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | IOCHRDY signal disabled        |    W3    |    open    |
   |---+--------------------------------+----------+------------|
   |   | IOCHRDY signal enabled         |    W3    |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | IDE(AT) interface secondary    |    W4    |   closed   |
   |   | address is 170h                |          |            |
   |---+--------------------------------+----------+------------|
   |   | IDE(AT) interface Alt. address |    W4    |    open    |
   |   | is 160h                        |          |            |
   |---+--------------------------------+----------+------------|
   |>> | Hard drive (170h) interrupt    |    W5    | pins 2 & 3 |
   |   | IRQ15 select                   |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Hard drive (170h) interrupt    |    W5    | pins 5 & 6 |
   |   | IRQ11 select                   |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Hard drive (170h) interrupt    |    W5    | pins 4 & 5 |
   |   | IRQ12 select                   |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Hard drive (170h) interrupt    |    W5    | pins 1 & 2 |
   |   | IRQ14 select                   |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Hard drive (160h) interrupt    |    W5    | pins 4 & 5 |
   |   | IRQ11 select                   |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Hard drive (160h) interrupt    |    W5    | pins 5 & 6 |
   |   | IRQ12 select                   |          |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   |       The DTC 2188 can coexist with ST506/412(MFM),        |
   |  ST506/412(RLL), ESDI, SCSI and IDE controllers. Supports  |
   |                  ATAPI IDE CD-ROM drives.                  |
   +------------------------------------------------------------+