Mobile Intel Pentium 4 Processor - M and Intel 845MP/MZ Chipset Platform Design Guide

Mobile Intel
®
Pentium
®
4 Processor-M and Intel
®
845MP/845MZ Chipset Platform
144 Design Guide
R
Figure 75. Processor BCLK Topology
Debug Port
HCLKINN
HCLKINP
MCH-M
ICH3-M
AGP
Connector
PCI
Connectors
Glue Chip
SIO
FWH
100 MHz
100 MHz
100 MHz
66IN
BCK#
BCK
CLK
100 MHz
66 MHz
66 MHz
66 MHz
33 MHz
48 MHz
14.318 MHz
33 MHz
CLK66
PCICLK
CLK48
CLK14
33 MHz
33 MHz
33 MHz
14.318 MHz
33 MHz
33 MHz
CLK
CLOCKI
PCI_CLK
CLK_IN
CLK CLK CLK
CK-408
CPU#
CPU#
CPU
CPU
66Buff
66Buff
66Buff
PCIF
USB
PCI
PCI
PCI
REFO
PCI
PCI
PCI
CPU
BCLK0
BCLK1
100 MHz
100 MHz
CPU#
CPU
NOTE: Debug Port must always be BCLK3.