SILICON VALLEY COMPUTER, INC.
=============================

   ADP90VL

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:         | 32-bit VESA                            |
   |-------------------+----------------------------------------|
   | Size:             | Three-quarter length, full-height card |
   |-------------------+----------------------------------------|
   | Hard drive        | Four IDE(AT) interface devices         |
   | supported:        |                                        |
   |-------------------+----------------------------------------|
   | Floppy drives     | 360KB, 720KB, 1.2MB, 1.44MB            |
   | supported:        |                                        |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/S-T/20521-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                    Function                     | Location |
   |-------------------------------------------------+----------|
   | 4-pin connector - drive active LED              |    P1    |
   |-------------------------------------------------+----------|
   | 4-pin connector - drive active LED              |    P2    |
   |-------------------------------------------------+----------|
   | 40-pin IDE(AT) interface VESA connector         |    P3    |
   |-------------------------------------------------+----------|
   | 40-pin IDE(AT) interface ISA tape drive         |    P4    |
   | connector                                       |          |
   |-------------------------------------------------+----------|
   | 34-pin control cable connector - floppy drive   |    P5    |
   |-------------------------------------------------+----------|
   | 15-pin game port - internal                     |    P6    |
   |-------------------------------------------------+----------|
   | 9-pin serial port - internal                    |    P7    |
   |-------------------------------------------------+----------|
   | 9-pin serial port - external                    |    P8    |
   |-------------------------------------------------+----------|
   | 25-pin parallel port - external                 |    P9    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | Serial port 1 enabled          |    E3    | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Serial port 1 disabled         |    E3    | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Serial port 1 address 3F8h     |    E4    | pins 2 & 3 |
   |   | select                         |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Serial port 1 address 3E8h     |    E4    | pins 1 & 2 |
   |   | select                         |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Serial port 2 enabled          |    E5    | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Serial port 2 disabled         |    E5    | pins 1 & 2 |
   |   |                                |          |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |           USER CONFIGURABLE SETTINGS(CONTINUED)            |
   |------------------------------------------------------------|
   |             Function              | Location  |  Setting   |
   |-----------------------------------+-----------+------------|
   |>> | Serial port 2 address 2F8h    |    E6     | pins 2 & 3 |
   |   | select                        |           |   closed   |
   |---+-------------------------------+-----------+------------|
   |   | Serial port 2 address 2E8h    |    E6     | pins 1 & 2 |
   |   | select                        |           |   closed   |
   |---+-------------------------------+-----------+------------|
   |>> | Parallel port enabled         |    E7     | pins 2 & 3 |
   |   |                               |           |   closed   |
   |---+-------------------------------+-----------+------------|
   |   | Parallel port disabled        |    E7     | pins 1 & 2 |
   |   |                               |           |   closed   |
   |---+-------------------------------+-----------+------------|
   |>> | Parallel port address 378h    |    E8     | pins 2 & 3 |
   |   | select                        |           |   closed   |
   |---+-------------------------------+-----------+------------|
   |   | Parallel port address 278h    |    E8     | pins 1 & 2 |
   |   | select                        |           |   closed   |
   |---+-------------------------------+-----------+------------|
   |>> | Floppy drive interface        |    E9     | pins 2 & 3 |
   |   | enabled                       |           |   closed   |
   |---+-------------------------------+-----------+------------|
   |   | Floppy drive interface        |    E9     | pins 1 & 2 |
   |   | disabled                      |           |   closed   |
   |---+-------------------------------+-----------+------------|
   |>> | ISA IDE(AT) interface enabled |    E10    | pins 2 & 3 |
   |   |                               |           |   closed   |
   |---+-------------------------------+-----------+------------|
   |   | ISA IDE(AT) interface         |    E10    | pins 1 & 2 |
   |   | disabled                      |           |   closed   |
   |---+-------------------------------+-----------+------------|
   |>> | ISA IDE(AT) interface         |    E11    | pins 2 & 3 |
   |   | interrupt IRQ15 select        |           |   closed   |
   |---+-------------------------------+-----------+------------|
   |   | ISA IDE(AT) interface         |    E11    | pins 1 & 2 |
   |   | interrupt IRQ10 select        |           |   closed   |
   |---+-------------------------------+-----------+------------|
   |>> | Game port enabled             | E12 & E13 |   closed   |
   |---+-------------------------------+-----------+------------|
   |   | Game port disabled            | E12 & E13 |    open    |
   |---+-------------------------------+-----------+------------|
   |>> | 8/16KB BIOS enabled           |    E14    |    open    |
   |---+-------------------------------+-----------+------------|
   |   | 32KB BIOS enabled             |    E14    |   closed   |
   |---+-------------------------------+-----------+------------|
   |>> | Factory configured - do not   |    E15    |    N/A     |
   |   | alter                         |           |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 BASE MEMORY ADDRESS SELECT                 |
   |------------------------------------------------------------|
   |          Address           |              E1               |
   |----------------------------+-------------------------------|
   |           C8000h           |           All open            |
   |----------------------------+-------------------------------|
   |           CA000h           |       pins 3 & 4 closed       |
   |----------------------------+-------------------------------|
   |           CC000h           |       pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |           CE000h           |   pins 1 & 2, 3 & 4 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   VESA IDE TRANSFER RATE                   |
   |------------------------------------------------------------|
   | System Speed(Mhz) | Mbyte/sec | E2/1  | E2/2 | E2/3 | E2/4 |
   |-------------------+-----------+-------+------+------+------|
   |     25/DX2-50     |   1.67    |  on   |  on  |  on  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |     25/DX2-50     |   2.00    |  off  |  on  |  on  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |     25/DX2-50     |   2.50    |  on   | off  |  on  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |     25/DX2-50     |   2.94    |  off  | off  |  on  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |     25/DX2-50     |   3.12    |  on   |  on  | off  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |     25/DX2-50     |   4.16    |  off  |  on  | off  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |     25/DX2-50     |   4.54    |  on   | off  | off  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |     25/DX2-50     |   6.25    |  off  | off  | off  |  on  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             VESA IDE TRANSFER RATE(CONTINUED)              |
   |------------------------------------------------------------|
   | System Speed(Mhz) | Mbyte/sec | E2/1  | E2/2 | E2/3 | E2/4 |
   |-------------------+-----------+-------+------+------+------|
   |     33/DX2-66     |   2.22    |  on   |  on  |  on  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |     33/DX2-66     |   2.66    |  off  |  on  |  on  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |     33/DX2-66     |   3.33    |  on   | off  |  on  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |     33/DX2-66     |   3.92    |  off  | off  |  on  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |     33/DX2-66     |   4.16    |  on   |  on  | off  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |     33/DX2-66     |   5.55    |  off  |  on  | off  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |     33/DX2-66     |   6.06    |  on   | off  | off  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |     33/DX2-66     |   8.33    |  off  | off  | off  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |        50         |   3.33    |  on   |  on  |  on  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |        50         |   4.00    |  off  |  on  |  on  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |        50         |   5.00    |  on   | off  |  on  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |        50         |   5.88    |  off  | off  |  on  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |        50         |   6.25    |  on   |  on  | off  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |        50         |   8.33    |  off  |  on  | off  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |        50         |   9.09    |  on   | off  | off  |  on  |
   |-------------------+-----------+-------+------+------+------|
   |        50         |   12.5    |  off  | off  | off  |  on  |
   +------------------------------------------------------------+