Figure 126. Gmch Hdvref[2:0] Reference Voltage Generation Circuit; Figure 127. Gmch Havref Reference Voltage Generation Circuit; Figure 128. Gmch Hccvref Reference Voltage Generation Circuit - Intel 852GM Design Manual

R

Figure 126. GMCH HDVREF[2:0] Reference Voltage Generation Circuit

R1
49.9
1%
R2
100
1%

Figure 127. GMCH HAVREF Reference Voltage Generation Circuit

R1
49.9
1%
R2
100
1%

Figure 128. GMCH HCCVREF Reference Voltage Generation Circuit

R1
49.9
1%
R2
100
1%
Sample layout for GMCH VREF generation is shown in Figure 129 and Figure 130.
®
Intel 852GM Chipset Platform Design Guide
+VCCP
GMCH_HDVREF
C1
1uF
+VCCP
GMCH_HAVREF
C1
1uF
+VCCP
GMCH_HCCVREF
C3
C1
1uF
0.1uF
Intel 852GM Platform Power Delivery Guidelines
K21
HDVREF0
J21
HDVREF1
C2
J17
HDVREF2
0.1uF
Y22
HAVREF
C3
0.1uF
Y28
HCCVREF
852GM
852GM
852GM
227