2807940 uATX Motherboard
Page 23
The ICH9DO LPC interface complies with the LPC 1.1 specifications. The LPC bus from
the ICH9DO is connected to the following components:
BIOS chipset
Super I/O chipset
Trusted Platform Module (TPM) connector
2.5.6 Intel
®
ICH9DO PCI Interface
The PCI interface on the ICH9DO is compliant with the PCI Revision 2.3 implementation.
Some of the features of the PCI interface are listed below.
PCI Revision 2.3 compliant
33MHz
5V tolerant PCI signals (except PME#)
Integrated PCI arbiter supports up to four PCI bus masters
The PCI bus masters are interfaced to the following onboard components:
Two PCI sockets
2.5.7 Intel
®
ICH9DO PCIe x4 Bus
The Intel® ICH9DO Southbridge chipset has six PCIe x1 lanes. The four PCIe lanes are
interfaced to one PCIe x4 slot on the 2807940 motherboard.
One of the remaining PCIe x1 lanes is connected to an Intel® 82566DM GbE controller
and the other PCIe x1 lane is connected to an Intel® 82573L GbE controller.
For more detailed information, please refer to
Section 2.6.3
.
2.5.8 Intel
®
ICH9DO Real Time Clock
256 bytes of battery backed RAM is provided by the Motorola MC146818B real time clock
(RTC) integrated into the ICH9DO. The RTC operates on a 3V battery and 32.768KHz
crystal. The RTC keeps track of the time and stores system data even when the system is
turned off.
Summary of Contents for 2807940
Page 1: ...x x 2807940 User s Manual Micro ATX Motherboard with LGA 775 Socket Version 1 0 ...
Page 17: ...2807940 uATX Motherboard Page 1 1 Introduction Chapter 1 ...
Page 24: ...2807940 uATX Motherboard Page 8 2 Detailed Specifications Chapter 2 ...
Page 55: ...2807940 uATX Motherboard Page 39 3 Unpacking Chapter 3 ...
Page 59: ...2807940 uATX Motherboard Page 43 4 Connector Pinouts Chapter 4 ...
Page 88: ...2807940 uATX Motherboard Page 72 5 Installation Chapter 5 ...
Page 120: ...2807940 uATX Motherboard Page 104 6 Intel AMT Configuration Chapter 8 ...
Page 130: ...2807940 uATX Motherboard Page 114 A Terminology Appendix A ...
Page 135: ...2807940 uATX Motherboard Page 119 B DIO Interface Appendix B ...
Page 138: ...2807940 uATX Motherboard Page 122 C Watchdog Timer Appendix C ...
Page 141: ...2807940 uATX Motherboard Page 125 D Address Mapping Appendix D ...
Page 144: ...2807940 uATX Motherboard Page 128 E Compatibility Appendix E ...
Page 147: ...2807940 uATX Motherboard Page 131 F Intel Matrix Storage Manager Appendix F ...
Page 161: ...2807940 uATX Motherboard Page 145 G Hazardous Materials Disclosure Appendix G ...