Guide

Intel 852GM Platform Power Delivery Guidelines
R
Intel
®
852GM Chipset Platform Design Guide 227
Figure 126. GMCH HDVREF[2:0] Reference Voltage Generation Circuit
R1
49.9
1%
R2
100
1%
C1
1uF
+VCCP
K21
J21
J17
852GM
HDVREF0
HDVREF1
HDVREF2
0.1uF
GMCH_HDVREF
C2
Figure 127. GMCH HAVREF Reference Voltage Generation Circuit
R1
49.9
1%
R2
100
1%
C1
1uF
+VCCP
Y22
852GM
HAVREF
C3
0.1uF
GMCH_HAVREF
Figure 128. GMCH HCCVREF Reference Voltage Generation Circuit
R1
49.9
1%
R2
100
1%
C1
1uF
+VCCP
Y28
852GM
HCCVREF
C3
0.1uF
GMCH_HCCVREF
Sample layout for GMCH VREF generation is shown in Figure 129 and Figure 130.