(TXT) View Source
       
       # CMS ENHANCEMENTS, INC.
       
          HCWD27X
       
          +------------------------------------------------------------+
          |------------------------------------------------------------|
          | Data bus:                | 8-bit ISA                       |
          |--------------------------+---------------------------------|
          | Size:                    | Half length, full-height card   |
          |--------------------------+---------------------------------|
          | Hard drive supported:    | Two RLL ST506/412 drives        |
          |--------------------------+---------------------------------|
          | Floppy drives supported: | None                            |
          +------------------------------------------------------------+
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                 Function                 |    Location     |
          |------------------------------------------+-----------------|
          | 34-pin data cable connector - hard drive |       J1        |
          |------------------------------------------+-----------------|
          | 20-pin data cable connector - drive 0    |       J2        |
          |------------------------------------------+-----------------|
          | 20-pin data cable connector - drive 1    |       J3        |
          |------------------------------------------+-----------------|
          | External power connector                 |       J4        |
          |------------------------------------------+-----------------|
          | 4-pin connector - drive active LED       |       J5        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |            Function             |  Location   |  Setting   |
          |---------------------------------+-------------+------------|
          | » | Interrupt select IRQ5       |     W27     |    open    |
          |---+-----------------------------+-------------+------------|
          |   | Interrupt select IRQ2       |     W27     |   closed   |
          |---+-----------------------------+-------------+------------|
          | » | AT compatibility enabled    |     W28     |   closed   |
          |---+-----------------------------+-------------+------------|
          |   | XT compatibility enabled    |     W28     |    open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       ADDRESS SELECT                       |
          |------------------------------------------------------------|
          |  I/O Address   | Base Memory Address |   W21    |   W22    |
          |----------------+---------------------+----------+----------|
          | »   |   320h   |       C8000h        |   open   |   open   |
          |-----+----------+---------------------+----------+----------|
          |     |   324h   |       CA000h        |  closed  |   open   |
          |-----+----------+---------------------+----------+----------|
          |     |   328h   |       CC000h        |   open   |  closed  |
          |-----+----------+---------------------+----------+----------|
          |     |   32Ch   |       CE000h        |  closed  |  closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              PRE-SELECTED DRIVE CONFIGURATION              |
          |------------------------------------------------------------|
          |           |      |         |Drive 0 |Drive 1 |             |
          |-----------+------+---------+--------+--------+-------------|
          | |Capacity |Heads |Cylinders|  W17   |  W18   | W19  | W20  |
          |-+---------+------+---------+--------+--------+------+------|
          |»|  32MB   |  4   |   615   |  open  |  open  | open | open |
          |-+---------+------+---------+--------+--------+------+------|
          | |  65MB   |  6   |   820   | closed | closed |closed|closed|
          |-+---------+------+---------+--------+--------+------+------|
          | |  42MB   |  4   |   782   |  open  | closed | open |closed|
          |-+---------+------+---------+--------+--------+------+------|
          | |  21MB   |  2   |   782   | closed |  open  |closed| open |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        TRANSLATION                         |
          |------------------------------------------------------------|
          |    Setting     |  Dynamic  |  Sectors  |   W25   |   W26   |
          |----------------+-----------+-----------+---------+---------|
          | » |  Disabled  |    Yes    |    26     |  open   | closed  |
          |---+------------+-----------+-----------+---------+---------|
          |   |  Enabled   |    No     |    17     | closed  |  open   |
          +------------------------------------------------------------+