Intel Pentium 4 Processor in the 478-PinPackage at 1.40 GHz, 1.50 GHz, 1.60 GHz, 1.70 GHz, 1.80 GHz, 1.90 GHz, and 2GHz

Pin Listing and Signal Definitions
Datasheet 61
Table 31. Pin Listing by Pin Number
Pin
Number
Pin Name
Signal Buffer
Type
Direction
A2 THERMTRIP# Asynch GTL+ Output
A3 VSS Power/Other
A4 VSSSENSE Power/Other Output
A5 VCCSENSE Power/Other Output
A6 TESTHI11 Power/Other Input
A7 RESERVED
A8 VCC Power/Other
A9 VSS Power/Other
A10 VCC Power/Other
A11 VSS Power/Other
A12 VCC Power/Other
A13 VSS Power/Other
A14 VCC Power/Other
A15 VSS Power/Other
A16 VCC Power/Other
A17 VSS Power/Other
A18 VCC Power/Other
A19 VSS Power/Other
A20 VCC Power/Other
A21 VSS Power/Other
A22 RESERVED
A23 D#[02] Source Synch Input/Output
A24 VSS Power/Other
A25 D#[03] Source Synch Input/Output
A26 VSS Power/Other
AA1 VSS Power/Other
AA2 TESTHI1 Power/Other Input
AA3 BINIT# Common Clock Input/Output
AA4 VSS Power/Other
AA5 BPM#[4] Common Clock Input/Output
AA6 GTLREF Power/Other Input
AA7 VSS Power/Other
AA8 VCC Power/Other
AA9 VSS Power/Other
AA10 VCC Power/Other
AA11 VSS Power/Other
AA12 VCC Power/Other
AA13 VSS Power/Other
AA14 VCC Power/Other
AA15 VSS Power/Other
AA16 VCC Power/Other
AA17 VSS Power/Other
AA18 VCC Power/Other
AA19 VSS Power/Other
AA20 ITPCLKOUT[0] Power/Other Output
AA21 GTLREF Power/Other Input
AA22 D#[62] Source Synch Input/Output
AA23 VSS Power/Other
AA24 D#[63] Source Synch Input/Output
AA25 D#[61] Source Synch Input/Output
AA26 VSS Power/Other
AB1 A#[35] Source Synch Input/Output
AB2 RSP# Common Clock Input
AB3 VSS Power/Other
AB4 BPM#[5] Common Clock Input/Output
AB5 BPM#[1] Common Clock Input/Output
AB6 VSS Power/Other
AB7 VCC Power/Other
AB8 VSS Power/Other
AB9 VCC Power/Other
AB10 VSS Power/Other
AB11 VCC Power/Other
AB12 VSS Power/Other
AB13 VCC Power/Other
AB14 VSS Power/Other
AB15 VCC Power/Other
AB16 VSS Power/Other
AB17 VCC Power/Other
AB18 VSS Power/Other
AB19 VCC Power/Other
AB20 VSS Power/Other
AB21 VSS Power/Other
AB22 ITPCLKOUT[1] Power/Other Output
AB23 PWRGOOD Power/Other Input
AB24 VSS Power/Other
AB25 RESET# Common Clock Input
Table 31. Pin Listing by Pin Number
Pin
Number
Pin Name
Signal Buffer
Type
Direction