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# DATA TECHNOLOGY CORPORATION
DTC2290 (400395-89A1)
Card Type Hard drive controller card
Hard Drives Four IDE (AT) drives
supported
Floppy drives Two 360KB, 720KB, 1.2MB, or 1.44MB drives
supported
Data Bus 16-bit ISA
Card Size Three-quarter length, full-height card
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location | Function | Location |
|-------------------+----------+------------------+----------|
| 34-pin cable | J1 | 40-pin secondary | J3 |
| connector - | | IDE(AT) | |
| floppy drive | | connector | |
|-------------------+----------+------------------+----------|
| 40-pin primary | J2 | 4-pin connector | J4 |
| IDE(AT) connector | | - drive active | |
| | | LED | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------------+-------+-----------|
| » | BIOS enabled | W3 | Closed |
|---+------------------------------------+-------+-----------|
| | BIOS disabled | W3 | Open |
|---+------------------------------------+-------+-----------|
| » | Floppy drive interface AT cable | W4 | Open |
|---+------------------------------------+-------+-----------|
| | Floppy drive interface IBM cable | W4 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 1 DRIVE 0 HEAD MAPPING SETTINGS |
|------------------------------------------------------------|
| Setting | W5 |
|-------------------------------------+----------------------|
| 64- head mapping disabled | Open |
|-------------------------------------+----------------------|
| 64- head mapping enabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 1 DRIVE 1 HEAD MAPPING SETTINGS |
|------------------------------------------------------------|
| Setting | W6 |
|-------------------------------------+----------------------|
| 64- head mapping disabled | Open |
|-------------------------------------+----------------------|
| 64- head mapping enabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 2 DRIVE 0 HEAD MAPPING SETTINGS |
|------------------------------------------------------------|
| Setting | W7 |
|-------------------------------------+----------------------|
| 64- head mapping disabled | Open |
|-------------------------------------+----------------------|
| 64- head mapping enabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 2 DRIVE 1 HEAD MAPPING SETTINGS |
|------------------------------------------------------------|
| Setting | W8 |
|------------------------------------+-----------------------|
| 64- head mapping disabled | Open |
|------------------------------------+-----------------------|
| 64- head mapping enabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | W1 | W2 |
|--------------------+-------------------+-------------------|
| C800:0000h | Open | Open |
|--------------------+-------------------+-------------------|
| D000:0000h | Open | Closed |
|--------------------+-------------------+-------------------|
| D400:0000h | Closed | Closed |
|--------------------+-------------------+-------------------|
| D800:0000h | Closed | Open |
+------------------------------------------------------------+