Mobile Intel Pentium 4 Processor - M and Intel 845MP/MZ Chipset Platform Design Guide

Mobile Intel
®
Pentium
®
4 Processor-M and Intel
®
845MP/845MZ Chipset Platform
188 Design Guide
R
Checklist Items Recommendations Reason/Impact
SEL_2 Pull down to ground through a1 K ± 5% resistor. Refer to the reference
schematics.
SCLK Connect to SO-DIMMs. Refer to the reference
schematics.
SDATA Connect to SO-DIMMs. Refer to the reference
schematics.
USB_48MHZ Connect to ICH3-M.
33
Ω ±5% series resistor
Refer to the reference
schematics.
VDD Connect to VCC3_CLK and decouple with 0.1 µF ±5%
value.
Refer to the reference
schematics.
VDD_48MHZ Connect to VCC3_CLK and decouple with 0.1 µF ±5%
value.
Refer to the reference
schematics.
VDDA Connect to VCC3_CLK and decouple with 0.1 µF ±5%
value.
Refer to the reference
schematics.
VSS Connect to ground. Refer to the reference
schematics.
VSS_48MHZ Connect to ground. Refer to the reference
schematics.
VSS_IREF Connect to ground. Refer to the reference
schematics.
VTT_PWRGD# Connect to inverted and delayed VCC_CORE pwrgd
XTAL_IN Refer to the reference
schematics.
XTAL_OUT Refer to the reference
schematics.