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PM2012B/90

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

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.