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# DISTRIBUTED PROCESSING TECHNOLOGY
PM2012B/90
Data bus: 32-bit, EISA
Size: Full-length, full-height card
Hard drives supported: Up to seven SCSI devices
Floppy drives supported: None
Sector interleave: 1:1
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|------------------------------------------+-----------------|
| Memory module connector | CN1 |
|------------------------------------------+-----------------|
| Memory module connector | CN2 |
|------------------------------------------+-----------------|
| Cache module connector | CN3 |
|------------------------------------------+-----------------|
| Cache module connector | CN4 |
|------------------------------------------+-----------------|
| Disk mirroring module connector | CN5 |
|------------------------------------------+-----------------|
| 4-pin connector-drive active LED | CN6 |
|------------------------------------------+-----------------|
| Disk mirroring module connector | CN7 |
|------------------------------------------+-----------------|
| 50-pin SCSI connector-internal | CN10 |
|------------------------------------------+-----------------|
| 50-pin SCSI connector-external | CN11 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------+--------------+--------------|
| » | BIOS disabled | JP7 | open |
|---+--------------------------+--------------+--------------|
| | BIOS enabled | JP7 | closed |
|---+--------------------------+--------------+--------------|
| » | BIOS address C800h | JP19 | open |
|---+--------------------------+--------------+--------------|
| | BIOS address D800h | JP19 | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LED INFORMATION |
|------------------------------------------------------------|
| Function | Location |
|---------------------------------------------+--------------|
| Busy | LED1 |
|---------------------------------------------+--------------|
| Computer bus transfer to controller | LED2 |
|---------------------------------------------+--------------|
| Computer bus transfer from controller | LED3 |
|---------------------------------------------+--------------|
| Cache hit | LED4 |
|---------------------------------------------+--------------|
| Disk read-ahead active | LED5 |
|---------------------------------------------+--------------|
| Disk read | LED6 |
|---------------------------------------------+--------------|
| Disk write | LED7 |
|---------------------------------------------+--------------|
| Controller reset | LED8 |
|---------------------------------------------+--------------|
| Controller interrupt pending to computer | LED9 |
|---------------------------------------------+--------------|
| DRQ asserted to computer | LED10 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| There are only two user configurable jumpers on the |
| PM2012B/90 (BIOS address and enable), |
| |
| all other configurations are done through the software |
| supplied with the controller. |
+------------------------------------------------------------+