RANCHO TECHNOLOGY, INC.
=======================

   RT1000A

   Data bus: 8-bit, ISA

   Size: Half-length, full-height card

   Hard drives supported:  Up to seven SCSI devices

   Floppy drives supported: Two 360KB, 720KB,1.2MB, or 1.44MB

<gopher://bitreich.org/I/th99/c/P-R/20176-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                 |    Location     |
   |------------------------------------------+-----------------|
   | 50-pin SCSI connector-external           |       J1        |
   |------------------------------------------+-----------------|
   | 50-pin SCSI connector-internal           |       J2        |
   |------------------------------------------+-----------------|
   | 34-pin data cable connector-floppy drive |       J3        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BIOS ADDRESS                        |
   |------------------------------------------------------------|
   |    Address    |      X4      |      X5      |      X6      |
   |---------------+--------------+--------------+--------------|
   |    D4000h     |    closed    |    closed    |     open     |
   |---------------+--------------+--------------+--------------|
   |    CC000h     |     open     |    closed    |     open     |
   |---------------+--------------+--------------+--------------|
   |    D0000h     |    closed    |     open     |     open     |
   |---------------+--------------+--------------+--------------|
   |    C8000h     |     open     |     open     |     open     |
   |---------------+--------------+--------------+--------------|
   |    E4000h     |    closed    |    closed    |    closed    |
   |---------------+--------------+--------------+--------------|
   |    DC000h     |     open     |    closed    |    closed    |
   |---------------+--------------+--------------+--------------|
   |    E0000h     |    closed    |     open     |    closed    |
   |---------------+--------------+--------------+--------------|
   |    D8000h     |     open     |     open     |    closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Location | Setting |
   |---------------------------------------+----------+---------|
   |>> | Floppy drive write                |    X1    |  open   |
   |   | precompensation is 187ns          |          |         |
   |---+-----------------------------------+----------+---------|
   |   | Floppy drive write                |    X1    | closed  |
   |   | precompensation is 125ns          |          |         |
   |---+-----------------------------------+----------+---------|
   |>> | Single-speed floppy drive         |    X2    |  open   |
   |   | supported                         |          |         |
   |---+-----------------------------------+----------+---------|
   |   | Dual speed floppy drive supported |    X2    | closed  |
   |---+-----------------------------------+----------+---------|
   |>> | Floppy drive port address is 377h |    X3    |  open   |
   |---+-----------------------------------+----------+---------|
   |   | Floppy drive port address is 3F7h |    X3    | closed  |
   |---+-----------------------------------+----------+---------|
   |>> | Remote terminal power not         |    X7    |  open   |
   |   | supported                         |          |         |
   |---+-----------------------------------+----------+---------|
   |   | Supports remote terminal power    |    X7    | closed  |
   |---+-----------------------------------+----------+---------|
   |>> | Zero wait state enabled           |   X12    | closed  |
   |---+-----------------------------------+----------+---------|
   |   | Zero wait state disabled          |   X12    |  open   |
   |---+-----------------------------------+----------+---------|
   |>> | Floppy drive enabled              |   X13    | closed  |
   |---+-----------------------------------+----------+---------|
   |   | Floppy drive disabled             |   X13    |  open   |
   |---+-----------------------------------+----------+---------|
   |>> | Non applicable to this card. For  |   X14    |  open   |
   |   | MCA card only                     |          |         |
   |---+-----------------------------------+----------+---------|
   |>> | Supports drives other than        |   X15    |  open   |
   |   | Syquest                           |          |         |
   |---+-----------------------------------+----------+---------|
   |   | Supports Syquest and some         |   X15    | closed  |
   |   | removable media drives            |          |         |
   |---+-----------------------------------+----------+---------|
   |>> | SCSI DOS hard drive boot enabled. |   X16    |  open   |
   |---+-----------------------------------+----------+---------|
   |   | SCSI DOS hard drive boot          |   X16    | closed  |
   |   | disabled.                         |          |         |
   |---+-----------------------------------+----------+---------|
   |>> | Factory configured - do not alter |   X17    |  open   |
   |---+-----------------------------------+----------+---------|
   |>> | Bus reset delay is 30 seconds     |   X18    | closed  |
   |---+-----------------------------------+----------+---------|
   |   | Bus reset delay is 5 seconds      |   X18    |  open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     INTERRUPT REQUEST                      |
   |------------------------------------------------------------|
   |   IRQ    |     X8     |     X9     |    X10    |    X11    |
   |----------+------------+------------+-----------+-----------|
   |   IRQ7   |   closed   |    open    |   open    |   open    |
   |----------+------------+------------+-----------+-----------|
   |   IRQ5   |    open    |   closed   |   open    |   open    |
   |----------+------------+------------+-----------+-----------|
   |   IRQ4   |    open    |    open    |  closed   |   open    |
   |----------+------------+------------+-----------+-----------|
   |   IRQ3   |    open    |    open    |   open    |  closed   |
   +------------------------------------------------------------+