EMAC, INC.

PCM-3420
Card Type Hard drive controller card
Hard Drives supported Up to 7 SCSI-2 devices
I/O Options SCSI connector
Data Bus PC/104 (16-bit)

 

CONNECTIONS

Function

Label

Function

Label
SCSI-2 connector CN1 PC/104 16-bit connector J2
PC/104 8-bit connector J1 LED connector JP1


USER CONFIGURABLE SETTINGS

Function

Label

Position
» Terminator installed JP2 Pins 2 & 3 closed
  Terminator uninstalled JP2 Pins 1 & 2 closed
» Parity checking enabled JP5 Pins 15 & 16 closed
  Parity checking disabled JP5 Pins 15 & 16 open
» Boot enabled JP6 Pins 3 & 4 open
  Boot disabled JP6 Pins 3 & 4 closed
» Factory configured - do not alter JP6/Pins 5 & 6 Unidentified
» Fast SCSI disabled JP6 Pins 7 & 8 closed
  Fast SCSI enabled JP6 Pins 7 & 8 open
» More than 1 GB translation disabled JP6 Pins 9 & 10 closed
  More than 1 GB translation enabled JP6 Pins 9 & 10 open
» Factory configured - do not alter JP6/Pins 11 & 12 Unidentified
» SCSI target disconnect enabled JP6 Pins 13 & 14 open
  SCSI target disconnect disabled JP6 Pins 13 & 14 closed
» Synchronous negotiation enabled JP6 Pins 15 & 16 open
  Synchronous negotiation disabled JP6 Pins 15 & 16 closed
» BIOS port 340h selected JP7 Pins 2 & 3 closed
  BIOS port 140h selected JP7 Pins 1 & 2 closed
» Host adapter BIOS enabled JP10 Closed
  Host adapter BIOS disabled JP10 Open


SCSI ID SELECTION

Drive ID

 JP5/Pins 1 & 2 JP5/Pins 3 & 4 JP5/Pins 5 & 6
 

0

 Closed Closed Closed
 

1

 Open Closed Closed
 

2

 Closed Open Closed
 

3

 Open Open Closed
 

4

 Closed Closed Open
 

5

 Open Closed Open
 

6

 Closed Open Open
»

7

 Open Open Open


DMA CHANNEL SELECTION

Channel

 JP3 JP5/Pins 11 & 12 JP5/Pins 13 & 14 JP6

0

 Pins 1 & 2, 9 & 10 closed Closed Closed Pins 1 & 2 closed

5

 Pins 3 & 4, 11 & 12 closed Open Closed Pins 1 & 2 closed
6 Pins 5 & 6, 13 & 14 closed Closed Open Pins 1 & 2 closed
7 Pins 7 & 8, 15 & 16 closed Open Open Pins 1 & 2 closed
Disable DMA mode N/A N/A N/A Pins 1 & 2 open


IRQ CHANNEL SELECTION

IRQ

 JP4 JP5/Pins 7 & 8 JP5/Pins 9 & 10
  9 Pins 7 & 8 closed Closed Closed
  10 Pins 5 & 6 closed Open Closed
» 11 Pins 3 & 4 closed Closed Open
  12 Pins 1 & 2 closed Open Open


BIOS ADDRESS SELECTION

Address

 JP8 JP9
 

C8000h - DBFFFh

 Open Open
» CC000h - CFFFFh Closed Open
  D8000h - DBFFFh Open Closed
  DC000h - DFFFFh Closed Closed