DISTRIBUTED PROCESSING TECHNOLOGY
PM2011/90, PM2011/95
Data bus: 16-bit, ISA
Size: Full-length, full-height card
Hard drives supported: Up to seven SCSI devices
Floppy drives supported: PM2011/90: None
PM2011/95: Two 360KB, 720KB, 1.2MB or 1.44MB drives
Sector interleave: 1:1
CONNECTIONS | |
Function |
Location |
Memory module connector |
CN1 |
Memory module connector |
CN2 |
Cache module connector |
CN3 |
Cache module connector |
CN4 |
Memory Expansion Board Cable Connector |
CN4A |
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 | |
Address lines SA17-19 and LA17-19 are driven |
JP19 |
closed | |
Address lines LA17-19 only are driven |
JP19 |
open | |
Floppy drive enabled |
JP20 |
open | |
Floppy drive disabled |
JP20 |
closed | |
BIOS EPROM size is 256KB |
JP23 |
pins 1 & 2 closed | |
BIOS EPROM size is 512KB |
JP23 |
pins 2 & 3 closed | |
Bus Mastering enabled |
JP24 |
open | |
Bus Mastering disabled |
JP24 |
closed | |
Bus Master DMA speed is 4MB per second |
JP27 |
closed | |
Bus Master DMA speed is 5MB per second |
JP27 |
open | |
Floppy drive port address is 3F0-3F7h |
JP34 |
open | |
Floppy drive port address is 3F0-3F7h |
JP34 |
closed |
SCSI ADDRESS | ||||
SCSI I.D. |
JP25 |
JP18 |
JP26 | |
0 |
open |
open |
open | |
1 |
closed |
open |
open | |
2 |
open |
closed |
open | |
3 |
closed |
closed |
open | |
4 |
open |
open |
closed | |
5 |
closed |
open |
closed | |
6 |
open |
closed |
closed | |
7 |
closed |
closed |
closed |
MEMCS16 SIGNAL STATUS | |||
Status |
JP21 |
JP28 | |
MEMCS16 not used (16-bit memory address only) |
open |
closed | |
MEMCS16 detected (8/16-bit memory addresses OK) |
closed |
open |
INTERRUPT REQUEST | |||
IRQ |
JP29 |
JP30 | |
IRQ14 |
closed |
closed | |
IRQ15 |
closed |
open | |
IRQ12 |
open |
closed | |
Disabled |
open |
open |
DMA CHANNEL | |||
DRQ |
JP31 |
JP32 | |
DRQ/DACK5 |
closed |
closed | |
DRQ/DACK6 |
closed |
open | |
DRQ/DACK7 |
open |
closed | |
DRQ/DACK0 |
open |
open |
I/O PORT ADDRESS | |||
Address |
JP33 |
JP35 | |
1F0-1F8h |
closed |
closed | |
170-178h |
open |
closed | |
330-338h |
closed |
open | |
230-238h |
open |
open |
BIOS ADDRESS | |||
Address |
JP36 |
JP37 | |
C8000h |
closed |
closed | |
D8000h |
closed |
open | |
DC000h |
open |
closed | |
Disabled |
open |
open |
LED INFORMATION | |
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 |