Chapter 17
DMA Configuration
Kontron User's Guide PC/104-520
32
17.
DMA Configuration
17.1
DMA Acknowledge
To select one out of eight DACK lines following jumpers are available as JP1. For the SC520 GPACK0 line use
DACK0, DACK1, DACK2 or DACK3, for SC520 GPACK1 line use DACK5, DACK6 or DACK7. Place only one jumper
for each GPACK0 and GPACK1 line. Please select this configuration also in the BIOS setup. The delivery
default is framed.
DACK0
DACK1
DACK2
DACK3
DACK5
DACK6
DACK7
ISA Bus
GPACK0
GPACK1
SC520
Note:
In addition to JP1 there is the possibility to connect DACK3 to GPACK1 instead of DACK5-7. Use
R90
for this
purpose. Please select the configuration also in the BIOS setup.