HwMuseum | Index

DISTRIBUTED PROCESSING TECHNOLOGY

PM3011A/50, PM3011A/60 VER.2

Data bus:

16-bit ISA

Size:

Full-length, full-height card

Hard drives supported:

PM3011/50:Two ST506/412 MFM drives

PM3011/60:Two ST506/412 RLL drives

Floppy drives supported:

Optional on daughtercard

Sector Interleave:

Automatic

CONNECTIONS

Function

Location

20-pin data cable connector-drive 1

J3

20-pin data cable connector-drive 0

J4

34-pin control cable connector-hard drive

J5

4-pin connector-drive active LED

J6

Floppy Drive daughter board connector

J7

Memory expansion board cable connector

J8

Floppy Drive daughter board connector

J10

HARD DRIVE INTERRUPT REQUEST

IRQ

Y9

Y10

Y11

»

IRQ14

closed

open

open

 

IRQ5

open

open

closed

 

IRQ7

open

closed

open

SCSI INTERRUPT REQUEST

IRQ

Jumper Y12

Jumper Y13

»

Disabled

open

open

 

5

closed

open

 

7

open

closed

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Not used

Y1, Y2, Y3

open

»

Floppy drive port address 3F0-3F7h

Y5

open

 

Floppy drive port address 370-377h

Y5

closed

»

SCSI address disabled

Y6

open

 

SCSI address enabled

Y6

closed

»

BIOS disabled

Y7

open

 

BIOS enabled

Y7

closed

»

Factory configured - do not alter

Y8

open

»

Hard drive port address 1F0-1F7h

Y18

open

 

Hard drive port address 170-177h

Y18

closed

SCSI DMA CHANNEL

DRQ

Y14

Y15

Y16

Y17

»

Disabled

open

open

open

open

 

DRQ1

closed

open

closed

open

 

DRQ3

open

closed

open

closed

SCSI I/O ADDRESS

Address

Jumper Y19

Jumper Y20

CB00h

open

open

DB00h

closed

open

EB00h

open

closed

F100h

closed

closed

LED INFORMATION

Function

Location

Disk controller busy

LED-1

PC/AT transfer to hard disk controller

LED-2

PC/AT transfer from hard disk controller

LED-3

Cache hit

LED-4

Controller look-ahead active

LED-5

Hard disk transfer to controller

LED-6

Hard disk transfer from controller

LED-7

PC/AT reset to controller

LED-8

Hard disk interrupt to PC/AT

LED-9

DRQ

LED-10