Contents
iv Reference Manual COM 830
Secondary Connector Rows C and D ...................................................................................... 15
PCI Express Graphics (PEG)........................................... ........................................................ 15
SDVO........................... ............................................................................................................ 15
PCI Bus........................... ......................................................................................................... 15
IDE ............................................................................................................ ...............................15
Additional Features ..................................................................................................................... ..15
Watchdog........................... ...................................................................................................... 15
Onboard Microcontroller......................................................................................... ..................16
Embedded BIOS ...................................................................................................................... 16
Simplified Overview of BIOS Setup Data Backup............... ..................................................... 17
Security Features .......................................................................................................................... 18
Suspend to Ram................................................................................................. ... ... ... .... ......... .....18
Ampro Tech Notes .......................................................................................................... ... ...........18
Comparison of I/O APIC to 8259 PIC Interrupt mode ................................................................... 18
Intel® Matrix Storage Technology ................................................................................................ 18
AHCI....................................................................................... ..................................................18
RAID....................................................................................... ..................................................18
Native vs. Compatible IDE mode .......................................................................................... ........19
Compatible Mode................................ ... .................................................................................. 19
Native Mode ............................. ............................................................................................... 19
Intel® Processor Features............................................................................................................. 19
Thermal Monitor and Catastrophic Thermal Protection ........................................................... 19
Processor Performance Control.................................................... ...........................................20
Intel 64 ............................................................................................................. ........................20
Intel® Virtualization Technology.................................................................................... ...........21
Thermal Management ................................................................................................................... 21
Passive Cooling .................................................................................................................. 21
Active Cooling...................... ... ... .... ... ... ............................................................................... 22
Critical Trip Point......................................................................................... ........................22
ACPI Suspend Modes and Resume Events............................................................................. .....22
USB 2.0 EHCI Host Controller Support.......................................................... ...............................24
Routing Diagram: ..................................................................................................................... 24
Chapter 3 Signals and Pinout Tables...................................... ...............................................25
A-B Connector Signal Descriptions................... ............................................................................26
A-B Connector Pinout......................................................................................... ...........................36
C-D Connector Signal Descriptions....................................................................................... ........38
C-D Connector Pinout ................................................................................................................... 43
Boot Strap Signals................................................................................................. ... ... .... ............ ..45
System Resources ........................................................................................................................ 46
System Memory Map ...............................................................................................................46
I/O Address Assignment........................................................................................... .....................46
LPC Bus.......................... ......................................................................................................... 47
Interrupt Request (IRQ) Lines ....................................................................................................... 48
PCI Configuration Space Map..................................................... ..................................................49
PCI Interrupt Routing Map........................................................................................ .....................51
PCI Bus Masters ......................................................................................................... ..................52
I²C Bus ........................................................................................................... ...............................52
SM Bus.............................................................. ............................................................................ 52