Guide

Intel 852GM Platform Power Delivery Guidelines
R
212 Intel
®
852GM Chipset Platform Design Guide
The solutions given in this document are only examples. There are many power distribution methods
that achieve similar results. It is critical, when deviating from these examples, to consider the effect of
the change.
12.2.1. Platform Power Delivery Architectural Block Diagram
Figure 115. Platform Power Delivery Map
PCI Bus
Docking
System Bus
400 MT/S
GMCH
VCC-GMCH = 1.2V
+V1.5S
+V 2.5
+V3.3S
DVO
+V1.5S
ICH4-M
+V1.5S
+V1.5Always
+V3.3Always
+V3.3S
+V3.3LAN
+V5Always
8-
Bit Hub
Interface
266MB/s
FWH
+V3.3S
DDR200 x 2
+V2.5
+V1.25S
CardBus LAN
+V3.3 +V3.3
AC97
USB
+V3.3
+V5Always
ATA 66/100
IDE
+V3.3S
+V5S
SIO
KBC
SMC
+V3.3Always +V3.3Always+V3.3S
+V3.3
+V3.3Always
+V5
VCCP = IMVP-III
DDR266 x 2
+V1.5LAN
+VCC_RTC
Mobile Intel Pentium 4
Processor – M / Mobile Intel
Celeron Processor
VCC_CORE / VCCP = IMVP-III
VCC_VID = 1.2V
VCCP = IMVP- III