Service manual

8224 N/B Maintenance

The ICH7 provides extensive I/O support. Functions and capabilities include:

1.2.4 I/O Controller Hub : INTEL ICH7-M

• PCI Express Base Specification, Revision 1.0a support

• PCI Local Bus Specification, Revision 2.3 support for 33 MHz PCI operations ( supports up to six Req/Gnt

pairs)

• ACPI Power Management Logic Support

• Enhanced DMA controller, interrupt controller, and timer functions

• Integrated Serial ATA host controller with independent DMA operation on four ports and AHCI (ICH7R

only)support

• USB host interface with support for eight USB ports; four UHCI host controllers; one EHCI high-speed USB

2.0 Host controller

• Integrated LAN controller

• System Management Bus (SMbus) Specification, Version 2.0 with additional support for I

C devices

• Supports Audio Codec ’97, Revision 2.3 Specification (a.k.a , AC ’97 Component Specification, Revision

2.3) which provides a link for Audio and Telephony codecs (up to 7 channels)

• Supports Intel High Definition Audio

• Supports Intel Matrix Storage Technology (ICH7R only)

• Supports Intel Active Management Technology

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