(TXT) View Source
       
       # LARK ASSOCIATES, INC.
       
          LRK-330/331
       
          +------------------------------------------------------------+
          |------------------------------------------------------------|
          | Data bus:         | 16-bit ISA                             |
          |-------------------+----------------------------------------|
          | Size:             | Three-quarter length, full-height card |
          |-------------------+----------------------------------------|
          | Hard drive        | Two ESDI drives                        |
          | supported:        |                                        |
          |-------------------+----------------------------------------|
          | Floppy drives     | Two 360KB, 720KB, 1.2MB, or 1.44MB     |
          | supported:        | drives                                 |
          +------------------------------------------------------------+
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                 Function                  |    Location    |
          |-------------------------------------------+----------------|
          | 34-pin cable connector - floppy drive     |       J1       |
          |-------------------------------------------+----------------|
          | 20-pin data cable connector- drive 1      |       J3       |
          |-------------------------------------------+----------------|
          | 20-pin data cable connector- drive 0      |       J4       |
          |-------------------------------------------+----------------|
          | 34-pin control cable connector-hard drive |       J5       |
          |-------------------------------------------+----------------|
          | 4-pin connector - drive active LED        |       J6       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function                | Location | Setting |
          |---------------------------------------+----------+---------|
          | » | Primary hard drive address is     |    W1    |  open   |
          |   | 1F0h-1F7h                         |          |         |
          |   |                                   |          |         |
          |   | Primary floppy drive address is   |          |         |
          |   | 370h-3F7h                         |          |         |
          |---+-----------------------------------+----------+---------|
          | » | Secondary hard drive address is   |    W1    | closed  |
          |   | 170h-177h                         |          |         |
          |   |                                   |          |         |
          |   | Secondary floppy drive address is |          |         |
          |   | 370h-377h                         |          |         |
          |---+-----------------------------------+----------+---------|
          | » | Floppy drive is single speed      |    W2    |  open   |
          |---+-----------------------------------+----------+---------|
          |   | Floppy drive is dual speed        |    W2    | closed  |
          |---+-----------------------------------+----------+---------|
          | » | Interrupt delay disabled          |    W3    |  open   |
          |---+-----------------------------------+----------+---------|
          |   | Interrupt delay enabled           |    W3    | closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |           USER CONFIGURABLE SETTINGS (CONTINUED)           |
          |------------------------------------------------------------|
          |               Function                | Location | Setting |
          |---------------------------------------+----------+---------|
          | » | Factory configured - do not alter |    W4    |   N/A   |
          |---+-----------------------------------+----------+---------|
          | » | IDE(AT) IRQ 14 select             |    W9    | closed  |
          |---+-----------------------------------+----------+---------|
          |   | IDE(AT) IRQ 15 select             |   W10    | closed  |
          |---+-----------------------------------+----------+---------|
          | » | Floppy drive interface enabled    |   W11    |  open   |
          |---+-----------------------------------+----------+---------|
          |   | Floppy drive interface disabled   |   W11    | closed  |
          |------------------------------------------------------------|
          | Note: W12 is unidentified                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   BIOS ADDRESS SELECTION                   |
          |------------------------------------------------------------|
          |    Address     |    W5    |    W6    |    W7    |    W8    |
          |----------------+----------+----------+----------+----------|
          | » |   C800h    |  closed  |   open   |   open   |   open   |
          |---+------------+----------+----------+----------+----------|
          |   |   CC00h    |   open   |  closed  |   open   |   open   |
          |---+------------+----------+----------+----------+----------|
          |   |   D000h    |   open   |   open   |  closed  |   open   |
          |---+------------+----------+----------+----------+----------|
          |   |   D400h    |   open   |   open   |   open   |  closed  |
          |---+------------+----------+----------+----------+----------|
          |   |  Disabled  |   open   |   open   |   open   |   open   |
          +------------------------------------------------------------+