Intel 815 User Manual
Page 53

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
AJ31 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
V
TT
•
AGTL/AGTL+ termination
voltage
AN21 Reserved
V
TT
V
TT
•
AGTL/AGTL+ termination
voltage