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SI-83 User Manual
B. Interrupt Request Lines (IRQ)
Peripheral devices use interrupt request lines to notify CPU for the service required.
The following table shows the IRQ used by the devices on board.
Level
Function
IRQ0
System timer
IRQ4
Serial Port #1
IRQ8
System CMOS / real time clock
IRQ11
Intel(R) 8 Series/C220 Series SMBus Controller
-8C22
IRQ13
Numeric data processor
IRQ16
Intel(R) 8 Series/C220 Series USB EHCI#2 -8C2D
IRQ19
Intel(R) 8 Series 4 port Serial ATA Storage Controller
-8C01
IRQ22
High Definition Audio
Controller
IRQ23
Intel(R) 8 Series/C220 Series USB EHCI#1-8C26
Summary of Contents for SI - 83
Page 1: ...SI 83 User Manual Digital Player Revision Release Date V1 0 2014 12 12...
Page 6: ...x SI 83 User Manual...
Page 9: ...3 1 2 2 Dimensions...
Page 10: ...4 SI 83 User Manual 1 2 3 I O View SI 83 front side SI 83 rear side...
Page 11: ...5 1 3 Exploded View of the SI 83 Assembly...
Page 22: ...16 SI 83 User Manual IB983 Jumpers and Connectors...
Page 23: ...17 Board Dimensions...
Page 30: ...24 SI 83 User Manual J1 J9 DDR3 SO DIMM Socket J4 Mini PCIE Connector J5 mSATA Connector...