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# DATA TECHNOLOGY CORPORATION
DTC6180-15TX, DTC6280-15TX
+------------------------------------------------------------+
+------------------------------------------------------------+
Data bus: 16-bit, ISA
Size: Full-length, full-height card
Hard drives supported: Two ESDI RLL drives with 17,32, or 60
sector mapping
Floppy drives supported: DTC6180-15TX: None
DTC6280-15TX: Four 360KB, 720KB, 1.2MB, 1.44MB
Sector interleave: 1:1
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-------------------------------------------------+----------|
| 34-pin data cable connector-floppy drive | J1 |
| (DTC6280-15TX only) | |
|-------------------------------------------------+----------|
| 34-pin control cable connector-hard drive | J2 |
|-------------------------------------------------+----------|
| 20-pin data cable connector-drive 0 | J3 |
|-------------------------------------------------+----------|
| 20-pin data cable connector-drive 1 | J4 |
|-------------------------------------------------+----------|
| 4-pin connector-drive active LED | J5 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTTINGS - DTC6X80-15TX |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | Reserved for Floppy precomp | W1 | open |
|---+--------------------------------+----------+------------|
| » | Wait state disabled | W2 | open |
|---+--------------------------------+----------+------------|
| | Wait state enabled | W2 | closed |
|---+--------------------------------+----------+------------|
| » | BIOS SRAM is 8Kx8 (6264) | W3 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | BIOS SRAM is 2Kx8 (6116) | W3 | pins 2 & 3 |
| | (Hard-wired) | | closed |
|---+--------------------------------+----------+------------|
| » | Track buffer size is 32Kx8 | W4 | pins 1 & 2 |
| | SRAM | | closed |
|---+--------------------------------+----------+------------|
| | Track buffer size is 8Kx8 SRAM | W4 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Hard Drive Interrupt is IRQ14 | W5 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Hard Drive Interrupt is IRQ15 | W5 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS ADDRESS - DTC6180-15TX |
|------------------------------------------------------------|
| Address | SW1/switch 5 | SW1/switch 6 |
|------------------+--------------------+--------------------|
| » | C8000h | off | off |
|---+--------------+--------------------+--------------------|
| | D8000h | on | off |
|---+--------------+--------------------+--------------------|
| | D0000h | off | on |
|---+--------------+--------------------+--------------------|
| | D4000h | on | on |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS - DTC6280-15TX |
|------------------------------------------------------------|
| Function | Location | Setting |
|-----------------------------------+--------------+---------|
| » | Floppy drive data transfer | SW1/switch 1 | off |
| | rate is 300Kb/s | | |
|---+-------------------------------+--------------+---------|
| | Floppy drive data transfer | SW1/switch 1 | on |
| | rate is 250Kb/s | | |
|---+-------------------------------+--------------+---------|
| » | PS/2-type floppy at Drive | SW1/switch 2 | on |
| | Select 2 not supported | | |
|---+-------------------------------+--------------+---------|
| | PS/2-type floppy drive on | SW1/switch 2 | off |
| | Drive Select 2 supported | | |
|---+-------------------------------+--------------+---------|
| » | Floppy drive enabled | SW1/switch 3 | off |
|---+-------------------------------+--------------+---------|
| | Floppy drive disabled | SW1/switch 3 | on |
|---+-------------------------------+--------------+---------|
| » | Hard drive port address | SW1/switch 4 | off |
| | 1F0-1F7h | | |
| | | | |
| | and floppy drive port address | | |
| | 3F2-3F7h | | |
|---+-------------------------------+--------------+---------|
| | Hard drive port address | SW1/switch 4 | on |
| | 170-177h | | |
| | | | |
| | and floppy drive port address | | |
| | 372-377h | | |
|---+-------------------------------+--------------+---------|
| » | Auto deselect enabled | SW1/switch 5 | on |
|---+-------------------------------+--------------+---------|
| | Auto deselect disabled | SW1/switch 5 | off |
|---+-------------------------------+--------------+---------|
| » | BIOS enabled | SW1/switch 6 | on |
|---+-------------------------------+--------------+---------|
| | BIOS disabled | SW1/switch 6 | off |
|---+-------------------------------+--------------+---------|
| » | Initial interrupt enabled | SW1/switch 9 | on |
| | after reset | | |
|---+-------------------------------+--------------+---------|
| | Initial interrupt disabled | SW1/switch 9 | off |
| | after reset | | |
|---+-------------------------------+--------------+---------|
| » | Track buffer enabled | SW1/switch | on |
| | | 10 | |
|---+-------------------------------+--------------+---------|
| | Track buffer disabled | SW1/switch | off |
| | | 10 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS ADDRESS - DTC6280-15TX |
|------------------------------------------------------------|
| Address | SW1/switch 7 | SW1/switch 8 |
|------------------+--------------------+--------------------|
| C8000h | off | off |
|------------------+--------------------+--------------------|
| D8000h | on | off |
|------------------+--------------------+--------------------|
| D0000h | off | on |
|------------------+--------------------+--------------------|
| D4000h | on | on |
+------------------------------------------------------------+