®
Intel ICH10 and System Clock Domains
Figure 4-1. ICH10 Conceptual System Clock Diagram
33 MHz
PCI Clocks
(33 MHz)
14.31818 MHz
48.000 MHz
Clock
Gen.
STP_CPU#
STP_PCI#
14.31818 MHz
48 MHz
SATA 100 MHz Diff. Pair
Intel®
DMI 100 MHz Diff. Pair
ICH10
100 MHz Diff. Pair
1 to 6
PCI Express
100 MHz
Diff. Pairs
Differential
Clock Fan
Out Device
62.5 MHz
24 MHz
LAN Connect
HD Audio Codec(s)
32 kHz
XTAL
SUSCLK# (32 kHz)
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