![background image](http://html1.mh-extra.com/html/ibase-technology/ib899/ib899_user-manual_3252130066.webp)
APPENDIX
62 IB899 User’s 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
IRQ3
Communications Port (COM2)
IRQ4
Communications Port (COM1)
IRQ10
Intel(R) Celeron(R)/Pentium(R) SM
Bus Controller
IRQ 18
Intel(R)
Atom(TM)/Celeron(R)/Pentium(R)
Processor SD Host Controller
IRQ19
Standard SATA AHCI Controller
IRQ22
High Definition Audio Controller
Summary of Contents for IB899
Page 1: ...IB899 Intel Braswell USER S MANUAL Version 1 1...
Page 4: ...iv IB899 User s Manual This page is intentionally left blank...
Page 9: ...INTRODUCTION IB899 User s Manual 5 Board Dimensions...
Page 13: ...INSTALLATIONS IB899 User s Manual 9 Jumper Locations on IB899...
Page 18: ...INSTALLATIONS 14 IB899 User s Manual Default Setting...
Page 20: ...INSTALLATIONS 16 IB899 User s Manual Connector Locations on IB899...
Page 31: ...INSTALLATIONS IB899 User s Manual 27 J13 J14 DDRIII SO DIMM Sockets...