Figure 138. Routing Illustration For Init# (For Intel Celeron M Processor); Figure 139. Voltage Translation Circuit For Prochot# (For Intel Celeron M Processor) - Intel 852GM Design Manual

Platform Design Checklist
Pin Name
VCCSENSE,
VSSSENSE
VSS[191:0]

Figure 138. Routing Illustration for INIT# (for Intel Celeron M Processor)

CPU

Figure 139. Voltage Translation Circuit for PROCHOT# (for Intel Celeron M Processor)

246
System
Termination
Pull-up/Pull-
down
54.9 Ω ± 1%
pull-down to
gnd
(default: no
stuff)
Connect to gnd
ICH4-M
L1
L2
Rs
1.3K
330ohm
+/-5%
From Driver
Rs
Series Voltage
Translation
3.3V
R1
Q1
L3
3904
3.3V
330ohm
+/-5%
R1
+/-5%
Q2
Q1
3904
®
Intel 852GM Chipset Platform Design Guide
Notes
For each signal, stuffing option for
pull-down should be provided for
testing purposes. Also, a test point for
differential probe ground should be
placed between the two resistors. For
normal operation, leave the resistors
unpopulated.
FWH
3.3V
V_IO_FWH
R2
L4
Q2
3904
3.3V
R2
To Receiver
3904
R