Acer Aspire S3-391 Service Manual page 36

System DMA Specification
Legacy Mode
DMA0
DMA1
DMA2
DMA3
DMA4
DMA5
DMA6
DMA7
System Interrupt Specification
Hardware IRQ
IRQ0
IRQ1
IRQ2
IRQ3
IRQ5
IRQ6
IRQ7
IRQ8
IRQ9
IRQ10
IRQ11
IRQ12
IRQ13
IRQ14
IRQ15
1-28
Free
Free
Free
Free
Direct memory access controller
Free
Free
Free
System timer
Standard PS/2 keyboard
Not in use
Not in use
Not in use
Not in use
Not in use
System CMOS/real time clock
Not in use
Not in use
Not in use
PS/2 port Touchpad
Numeric data processor
Not in use
Not in use
Power Management
System Function
Hardware Specifications and Configurations