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PM2011/90, PM2011/95

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