Figure 148. Processor Gtlref Voltage Divider Network; Figure 149. Routing Illustration For Init - Intel 855PM Design Manual

Platform Design Checklist

Figure 148. Processor GTLREF Voltage Divider Network

Figure 149. Routing Illustration for INIT#

282
+VCCP
Zo = 55Ω trace
R1
1K
1%
GTLREF
R2
2K
1%
Intel Intel
Pentium M
ICH4-M
processor
L1
L2
Rs
< 1/2"
GTLREF
(pin AD26)
(pin AC1)
Intel
Pentium M
processor
RSVD
(pin E26)
3.3V
R1
Q2
Q1
L3
3904
®
Intel 855PM Chipset Platform Design Guide
RSVD
RSVD
(pin G1)
Intel
FWH
3.3V
V_IO_FWH
R2
L4
3904
R