Adlink ACL-8112 Series Manuale Utente Pagina 24

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16 Installation
2.7 DMA Channel Setting
The A/D data transfer of the ACL-8112 is designed with DMA transfer
capabilities. The setting of the DMA for channel 1 or channel 3 is controlled
by JP7 and JP8 on the ACL-8112DG/HG, and JP1 and JP2 on the ACL-
8112PG . Possible settings are shown below:
Note: On floppy disk only machine, we suggest you set the DMA to level 3.
If you have a hard disk installed in the computer, level 1 is preferable.
DACK
JP7/JP1
DRQ
JP8/JP2
1
3
NO
DMA
DMA 1
DMA 3
(Default)
X
1
3
X
Figure 2.4 DMA Channel Setting
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