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# PROMISE TECHNOLOGY, INC.
DRIVECACHE DC2031
+------------------------------------------------------------+
+------------------------------------------------------------+
Data bus: 16-bit, ISA
Size: Full-length, full-height card
Hard drives supported: Two AT Interface (IDE) drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
One floppy tape drive
Maximum heads/cyl.: 16 heads and 2048 cylinders
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-------------------------------------------------+----------|
| 40-pin AT Interface (IDE) control cable | J1 |
| connector-hard drive | |
|-------------------------------------------------+----------|
| 34-pin control cable connector-floppy drive | J2 |
|-------------------------------------------------+----------|
| 34-pin control cable connector-floppy tape | J3 |
| drive | |
|-------------------------------------------------+----------|
| 4-pin connector-drive active LED | JP1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|-------------------------------+--------------+-------------|
| » | Floppy drive enabled | JP6 | closed |
|---+---------------------------+--------------+-------------|
| | Floppy drive disabled | JP6 | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | JP2/2 | JP2/3 | JP3/1 | JP3/2 | JP3/3 |
|------------+---------+---------+---------+--------+--------|
| | IRQ12 | closed | open | closed | open | open |
|---+--------+---------+---------+---------+--------+--------|
| » | IRQ14 | open | open | open | closed | open |
|---+--------+---------+---------+---------+--------+--------|
| | IRQ15 | open | closed | open | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS ADDRESS |
|------------------------------------------------------------|
|Address |JP5/jumper 1|JP5/jumper 2|JP5/jumper 3|JP5/jumper 4|
|--------+------------+------------+------------+------------|
| |C000h | closed | closed | closed | closed |
|-+------+------------+------------+------------+------------|
| |C200h | closed | closed | closed | open |
|-+------+------------+------------+------------+------------|
| |C400h | closed | closed | open | closed |
|-+------+------------+------------+------------+------------|
| |C600h | closed | closed | open | open |
|-+------+------------+------------+------------+------------|
| |C800h | closed | open | closed | closed |
|-+------+------------+------------+------------+------------|
| |CA00h | closed | open | closed | open |
|-+------+------------+------------+------------+------------|
| |CC00h | closed | open | open | closed |
|-+------+------------+------------+------------+------------|
| |CE00h | closed | open | open | open |
|-+------+------------+------------+------------+------------|
| |D000h | open | closed | closed | closed |
|-+------+------------+------------+------------+------------|
| |D200 | open | closed | closed | open |
|-+------+------------+------------+------------+------------|
| |D400h | open | closed | open | closed |
|-+------+------------+------------+------------+------------|
| |D600h | open | closed | open | open |
|-+------+------------+------------+------------+------------|
|»|D800h | open | open | closed | closed |
|-+------+------------+------------+------------+------------|
| |DA00h | open | open | closed | open |
|-+------+------------+------------+------------+------------|
| |DC00h | open | open | open | closed |
|-+------+------------+------------+------------+------------|
| |DE00h | open | open | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON-BOARD CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 512KB | (2) 256K | NONE |
|------------------+--------------------+--------------------|
| 1MB | (2) 256K | (2) 256K |
|------------------+--------------------+--------------------|
| 2MB | (2) 1M | NONE |
|------------------+--------------------+--------------------|
| 2.5MB | (2) 1M | (2) 256K |
|------------------+--------------------+--------------------|
| 2.5MB | (2) 256K | (2) 1M |
|------------------+--------------------+--------------------|
| 4MB | (2) 1M | (2) 1M |
|------------------+--------------------+--------------------|
| 8MB | (2) 4M | NONE |
|------------------+--------------------+--------------------|
| 8.5MB | (2) 256K | (2) 4M |
|------------------+--------------------+--------------------|
| 8.5MB | (2) 4M | (2) 256K |
|------------------+--------------------+--------------------|
| 10MB | (2) 1M | (2) 4M |
|------------------+--------------------+--------------------|
| 10MB | (2) 4M | (2) 1M |
|------------------+--------------------+--------------------|
| 16MB | (2) 4M | (2) 4M |
|------------------------------------------------------------|
| Note:Uses only 80nsec or faster SIMM's; 256KB, 1MB, or 4MB |
| (either x8 or x9). |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| JP2/1, JP2/4 and JP3/4 are Not used and should not be |
| altered. |
+------------------------------------------------------------+