Intel® Core™ Processor (Series 3)

Formerly known as Wildcat Lake, Datasheet, Volume 1 of 2

ID Date Version Classification
913965 05/19/2026 001 Public
Document Table of Contents
RFM

Signal Description

Signal Name

Type

Description

THERMTRIP#

O

Signal from the processor to indicate that a thermal overheating has occurred.

CATERR# O

Signal from the processor to indicate that the system has experienced a catastrophic error and cannot continue to operate.

FORCEPR# I Signal from the processor to indicate the processor has reached its maximum safe operating temperature.

VIDSOUT

I/O

Signal used to transfer power management information between the processor and the voltage regulator controllers.

VIDSCK

O

Signal used to transfer power management information between the processor and the voltage regulator controllers.

VIDALERT#

I

Signal used to transfer power management information between the processor and the voltage regulator controllers.

GPP_​E03/PROC_​GP0

I

Thermal management signal

GPP_​D03/PROC_​GP1

I

Thermal management signal

GPP_​E01/PROC_​GP2/RSVD/ISH_​GP5A

O

Thermal management signal

GPP_​E02/PROC_​GP3/VRALERT#/ISH_​GP10

I

Thermal management signal

Note: If THERMTRIP# goes active, the processor is indicating an overheat condition. PROC_​GP can be used from external sensors for the thermal management.