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DMA Controller 8237

71 bytes added, 20:23, 23 February 2010
/* Port 0Fh - All Bit - Mask Register (W) */
0-3 Channel 0..3 Mask Bits (0=Cleared/Enable DREQ, 1=Set/Disable DREQ)
4-7 Not used
 
== Datasheet ==
 
* [[Media:8237.pdf]] - DMA Controller 8237 Datasheet
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