Datasheet 37
3Pinout Specifications

This chapter describes the Itanium 2 processor signals and pinout.

Note: The pins labeled “N/C” must remain unconnected. The Itanium 2 processor uses a JEDEC standard

pin naming convention.

In this chapter, pin names are the actual names given to each physical pin of the processor.

System bus signal names are the names associated with the functions of those pins. For those pins

associated with multiple functions, their pin names and system bus signal names are not

necessarily identical.

Figure 3-1 shows the Itanium 2 processor pin location diagram from the top view.

Figure 3-1. Itanium® 2 Processor Pinout

000638b

GND GND GND
GND
GND
GND
VC
TERM GND GND VC
TERM GND VC
TERM GND GND VC
TERM GND
GND
GND
GND ID0# GND ID1# GND A07#
A06#
A04# VC
TERMD30 # GND D27# VC
TERMD20 # GND NC VC
TERMD11 # GND D07# VC
TERMD04 # GND 3.3V VC
TERM
TUNER[2] GND GND GND GNDA05# D25# GND D23# GND D17 # GND D13#GND D14 # GND D01#GND NC GND GND
ID4# ID5# A13#
A12#
GNDDE P3# VC
TERMD24 # GNDSTBP1# VC
TERMD16 # GNDD1 2# VC
TERMSTBN0#GND D03# VC
TERM NC NC
ID7# A11# GND GND GND GND D19# GNDDEP1 # GND D08# GNDSTBP0# GND D02# GN D GND
RSP# ID8# ID9# A08# A03# VC
TERMDEP2# D26# VC
TERMD28 #
D21#
D18# VC
TERMD09 #
D15#
D06# VC
TERMD05 # GND NC VC
TERM
IDS# GNDDRDY0#GND GND A09# GND D31# GND D22# GND GND DEP0# GND GND D10# GND D00# GND THRM
ALERT#
INIT# RS1#
GND
RS2# A17# A15# DEP6# VC
TERMD54 # D48# VC
TERMD49 # GND D42# VC
TERMD45 # GNDD3 7# VC
TERM NC GND
GND GND GND GND GND GND GND D53# DEP4# D38# D40# GND D35# GNDVSSMON
REQ1# REQ2#
DBSY#
HIT# A24# A20# VC
TERMDEP7#
D63#
D61# VC
TERMSTBP3# D50# VC
TERMD32 # STBN2# VC
TERMD34 # GND GND VCTERM
REQ3#GN D DRDY# GND A23# GND GND NC GND D60# GNDSTBN3# GND D56# GND DEP5# GND D4 1# GNDSTBP2#GND D33 # GNDVCCMON
REQ4#
GND
REQ5#
RP#
HITM# A25# A19# D62# VC
TERMD57 # D51# VC
TERM NC GND D46# VC
TERMD44 # GNDD3 6# VC
TERM
GND GND GND GND GND GND GND D52# D47# D43# D39# GND NC GND GND
TRDY#
LOCK#
GSEQ# DEFER# A34# A31# VC
TERMD94 #
D59#
D87# VC
TERMD84 # NC VC
TERMD75 # D68# VC
TERMD65 # GND NC VC
TERM
GND
GND TND# GND BINIT# GND GND A28# GND D92# GND D91# GND D81# GND D78# GND D71# GND D67# GND NC GND SMA2
BREQ0# BREQ1#
NC
NC A36# A38# DEP11# VC
TERMD93 # STBP5# VC
TERMD83 # GND D76# VC
TERMSTBN4#GND D66# VC
TERM NC GND
GND GND GND GND GND GND GND D88# DEP9# D72# STBP4#GND D73# GND SMA1
BREQ3#
NC
NC BREQ2# A35# A29# VC
TERMDEP10#
D89#
D95# VC
TERMD86 # D80# VC
TERMD77 # D69# VC
TERMD64 # GNDSMA0 VC
TERM
BPRI# GNDSBSY1# GND GND GND GND D85# GND D82# GND DEP8# GND D79# GND D74# GND D70# GND GND
PPOD
GD#
GND
RESET#
NC
ADS# GND A39# A45# GNDDEP14# VC
TERMD122# GND D118# VC
TERMD117# GND D111# VC
TERMD106# GND D102# VC
TERM NC GND
GND
GND GND GND GND GND D112# DEP12# D101# D96# GND D99# GNDSMWP
LINT0
TRST#
BPM0# BERR# A49# A47# VC
TERMDEP15#
D124#
D125# VC
TERMSTBP7# D114# VC
TERMD105# STBN6# VC
TERMD98 # GNDSMSD
BPM2#GND BPM3# GND AP1 # GND GND A42# GND D126# GND STBN7# GND D116# GN D DEP13# GND D108# GND STBP6# GND D97 # GND GND
LINT1 GNDBPM4# GND BPM5# GND A4 3# A40# GND D123# VC
TERMD120# GND D115# VC
TERM NC GND D109# VC
TERMD103# GND D104# VC
TERMSMSC GND
PMI# BPM1# AP0# GND VC
TERM D121# D119# GND D113# GND D110# GND D107# GND D100# GND NC GND VC
TERM
AH AG AF AE AD AC AB AA Y W V U T R P N M L K J H G F E D C B A
1
2
3
4
5
6
7
8
9
1
0
11
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
21
2
2
2
3
2
4
2
5
AH AG AF AE AD AC AB AA Y W V U T R P N M L K J H G F E D C B A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Power Pod
GND
VC
TERM
GND
A27# GND D90#DBSY1#
DRDY1#
A33#
SBSY0#
DSBY0#
ID3#
GND
GND
ID2#
GND
GND
GND
GND
GND
TERMB
ID6#
RS0#
REQ0#
SBSY#
TERMA
GND
GND
OUTEN
GND
TUNER[1]
NC
TDO
TMS
NC
BCLKN
PWR
GOOD
NC
NC
NC
A20M#
FERR#
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
NC
TDI
TCK
NC
BCLKP
PROC
PRES#
NC
NC
NC
IGNNE#
TH_TRIP#
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
STBN1#
D58#
D55#
STBN5#
D127#
GND
D29#
GND
GND
NC
A18#
A16#
BNR#
A48#
A10#
A14#
A21#
A26#
A22#
A37#
A32#
A30#
A44#
A46#
A41#
GND
GND