HP Dv4 1280us HP Pavilion dv4 Entertainment PC - Maintenance and Service Guide - Page 139
System DMA specifications, Hardware DMA, System function
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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 PC Card† DMA6 Not assigned DMA7 Not assigned *PC Card controller can use DMA 1, 2, or 5. †Not assigned for computer models with AMD processors. System DMA specifications 131
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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 PC Card†
DMA6
Not assigned
DMA7
Not assigned
*PC Card controller can use DMA 1, 2, or 5.
†Not assigned for computer models with AMD processors.
System DMA specifications
131