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Intel 815 User Manual

Page 53

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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