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Newer page: version 2 Last edited on Monday, October 25, 2004 1:49:47 pm by AristotlePagaltzis
Older page: version 1 Last edited on Tuesday, October 7, 2003 6:48:02 pm by JohnMcPherson Revert
@@ -1,13 +1,7 @@
 An [Acronym] for __D__irect __M__emory __A__ccess 
  
-A method for peripherals (eg [PCI] and [IDE] devices) to copy data directly into a memory buffer, rather than explicitly being copied by the [CPU]. -- ''AddToMe -- Is this factually correct? -- JohnMcPherson''.  
-  
- For example, sound cards used to use DMA, although the drivers generally don't bother any more. (The famous sb16 did, at least).  
-  
- It can significantly speed up data transfers for [ HardDisk] s and [CDROM]s.  
-  
-UDMA (__U__ltra DMA) specifies a couple of faster transfer rates over standard DMA
+A method for peripherals (eg [PCI] and [IDE] devices) to copy data directly into a memory buffer, rather than explicitly being copied by the [CPU]. For example, SoundCard~s like the famous SB16 used to use [ DMA] , although the drivers generally don't bother any more. It can significantly speed up data transfers for HardDisk~ s and [CDROM]s. 
  
 See also: 
-*/proc/dma [[ shows you "DMA channels" (used by PCI cards?)]  
-hdparm(8), [HowToUltraDMA]  
+* <tt> /proc/dma</tt> ( shows you "DMA channels" (used by PCI cards?))  
+* hdparm(8)