System DMA specifications
Hardware DMA
System function
DMA0
Not applicable
DMA1*
Not applicable
DMA2*
Not applicable
DMA3
Not applicable
DMA4
Direct memory access controller
DMA5*
Available for ExpressCard
DMA6
Not assigned
DMA7
Not assigned
*ExpressCard controller can use DMA 1, 2, or 5.
System DMA specifications
93
Summary of Contents for 550 - Notebook PC
Page 1: ...HP 550 Notebook PC Maintenance and Service Guide ...
Page 4: ...iv Safety warning notice ...
Page 23: ...Computer major components Computer major components 15 ...
Page 127: ...8 Backup and recovery 119 ...
Page 150: ......