815 Chipset Platform Owner Manual

System Bus Design Guidelines
R
Intel
®
815 Chipset Platform Design Guide 53
Pin # Pin Name
Intel
®
Celeron™
Processor
(CPUID=068xh)
Pin Name
Intel
®
Pentium
®
III Processor
(CPUID=068xh)
Pin Name
Future 0.13
Micron
Socket 370
Processors
Function
AJ3
1
VSS VSS RESET • Ground for Pentium III
processor (CPUID=068xh)
and Celeron processor
(CPUID=068xh).
• RESET for future 0.13 micron
socket 370 processors
AK4 VSS VSS VTTPWRGD • Ground for Pentium III
processor (CPUID=068xh)
and Celeron processor
(CPUID=068xh).
• VID control signal on future
0.13 micron socket 370
processors.
AK16 Reserved VTT VTT • AGTL/AGTL+ termination
voltage
AK22 GTL_REF GTL_REF VCMOS_REF • GTL reference voltage for
Pentium III processor
(CPUID=068xh) and Celeron
processor (CPUID=068xh).
• CMOS reference voltage for
future 0.13 micron socket 370
processors
AK36 VSS VSS VID[25mV] • Ground for Pentium III
processor (CPUID=068xh)
and Celeron processor
(CPUID=068xh).
• 25mV step VID select bit for
future 0.13 micron socket 370
processors
AL13 Reserved VTT VTT • AGTL/AGTL+ termination
voltage
AL21 Reserved VTT VTT • AGTL/AGTL+ termination
voltage
AN3 GND GND DYN_OE • Ground for Pentium III
processor (CPUID=068xh)
and Celeron processor
(CPUID=068xh).
• Dynamic output enable for
future 0.13 micron socket 370
processors
AN11 Reserved VTT VTT • AGTL/AGTL+ termination
voltage
AN15 Reserved VTT VTT • AGTL/AGTL+ termination
voltage
AN21 Reserved VTT VTT • AGTL/AGTL+ termination
voltage