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# PROMISE TECHNOLOGY, INC.
DC99, DC99M
+------------------------------------------------------------+
+------------------------------------------------------------+
Data bus: 16-bit, ISA
Size: Half-length, full-height card
Hard drives supported: Two AT Interface (IDE) drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|---------------------------------------------+--------------|
| 40-pin AT Interface (IDE) connector | J1 |
|---------------------------------------------+--------------|
| 34-pin control cable connector-floppy drive | J2 |
|---------------------------------------------+--------------|
| 4-pin connector-drive active LED | JP1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | Floppy drive enabled | JP2 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive disabled | JP2 | pins 1 & 2 |
| | | | open |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | JP2 | pins 3 & 4 |
| | alter | | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Cache |
|--------------------------+---------------------------------|
| 512KB | (2) 256K x 9 |
|--------------------------+---------------------------------|
| 2MB | (2) 1M x 9 |
|--------------------------+---------------------------------|
| 8MB | (2) 4M x 9 |
|------------------------------------------------------------|
| Note:When configuring the cache, both SIMM sockets must |
| be occupied with identical SIMM's; i.e.: two 256KB, 1MB, |
| or 4MB SIMM's. The modules may be 8 or 9-bits wide and |
| must be 80nsec or faster. |
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+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| Warning: Do not reset or power-down the system while the |
| drive active LED is lit! Data in cache RAM will be lost! |
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