3.8 Serial Ports..................................................................................................................................35
3.8.1 COM1 Connectors.....................................................................................................................35
3.8.2 COM2 and COM3 Header Connectors......................................................................................36
3.8.3 COM4 Header Connectors........................................................................................................36
3.9 Ethernet Connectors...................................................................................................................37
3.9.1Ethernet Connectors 1 and 2 (ETHER1 and ETHER2).............................................................37
3.10 USB Connectors (USB) .............................................................................................................. 38
3.10.1 USB Connector 2/3 (USB2/3)....................................................................................................38
3.10.2 USB Connector 4/5 (USB4/5)....................................................................................................39
3.10.3 USB Connector 0/1/6/7 (USB0/1/6/7)........................................................................................39
3.10.4 USB Connector 8/9 (USB8/9)....................................................................................................40
3.10.5 USB Connector 10/11 (USB10/11)............................................................................................40
3.11 Audio Connectors........................................................................................................................41
3.11.1 Audio Speakers, Line-In, Line-Out and Microphone .................................................................41
3.11.2 CDROM Audio Input (CDROM).................................................................................................42
3.11.3 Audio Header (AUDIO_HEAD)..................................................................................................43
3.12 Fan Connector (FAN_CPU)........................................................................................................44
3.13 Clear CMOS Jumper (Clr-CMOS /JBAT1)..................................................................................45
3.14 The Clear ME register Jumper (Clr-ME / JBAT2).......................................................................45
3.15 The SPI Jumper (SPI-Jumper / JP6) ..........................................................................................45
3.16 Interface BIOS Jumpers (JP3 and JP5))..................................................................................... 45
3.17 TPM Connector (TPM)................................................................................................................46
3.18 SPI Connector (SPI)....................................................................................................................46
3.19 Front Panel Connector (FRONTPNL).........................................................................................47
3.20 Feature Connector (FEATURE)..................................................................................................48
3.21 PCI Slot Connector (PCI Slot).....................................................................................................49
3.21.1 Signal Description – PCI Slot Connector...................................................................................50
3.21.2 KTQ45 PCI IRQ & INT routing...................................................................................................51
4Onboard connectors and Mating connectors ................................. 52
5System Resources ........................................................................ 53
5.1 Memory Map ...............................................................................................................................53
5.2 PCI Devices ................................................................................................................................ 54
5.3 Interrupt Usage ...........................................................................................................................55
5.4 IO Map ........................................................................................................................................56
6Overview of BIOS Features........................................................... 57