![background image](http://html1.mh-extra.com/html/icp-das-usa/a-812pg/a-812pg_hardware-user-manual_3526494015.webp)
2.3.7
JP6 : DMA DACK Selection,
JP7 : DMA DRQ Selection
The DMA channel cannot be shared.
The A-812PG software driver can support 8
different boards in one PC based system, but only
two of these boards
can use DMA
transfer function.
NO DMA
1
5
2
6
DRQ
JP7
1
5
2
6
DACK
JP8
JP8
JP7
1
5
2
6
DRQ
1
5
2
6
DACK
DMA 1
(default)
1
5
2
6
DRQ
JP7
1
5
2
6
JP8
DACK
DMA 3
A-812PG Hardware Manual (Ver.1.2, Sep/2005, IPH-004-12) -----
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