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

   DTC2183 (400XXX-89A)

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

<gopher://bitreich.org/I/th99/c/C-D/20834-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                Function                |     Location      |
   |----------------------------------------+-------------------|
   | Right channel audio out                |        J1         |
   |----------------------------------------+-------------------|
   | Left channel audio out                 |        J2         |
   |----------------------------------------+-------------------|
   | CD-ROM audio in                        |        J3         |
   |----------------------------------------+-------------------|
   | 40-pin IDE(AT) interface connector     |        J4         |
   |----------------------------------------+-------------------|
   | 4-pin drive active LED                 |        J5         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | IDE(AT) interface secondary    |    W1    |   closed   |
   |   | address is 170h                |          |            |
   |---+--------------------------------+----------+------------|
   |   | IDE(AT) interface primary      |    W1    |    open    |
   |   | address is 1F0h                |          |            |
   |---+--------------------------------+----------+------------|
   |>> | Hard drive interrupt IRQ15     |    W2    | pins 2 & 3 |
   |   | select                         |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Hard drive interrupt IRQ14     |    W2    | pins 1 & 2 |
   |   | select                         |          |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   |       The DTC 2183 can coexist with ST506/412(MFM),        |
   |  ST506/412(RLL), ESDI, SCSI and IDE controllers. Supports  |
   |                  ATAPI IDE CD-ROM drives.                  |
   +------------------------------------------------------------+