Adlink ACL-8112 Series Manual do Utilizador descarregar pdf (Página 24)

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

DMA

DMA 1

DMA 3

(Default)

Figure 2.4 DMA Channel Setting

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