82371AB Datasheet, PDF (270/284 Pages) Intel Corporation – PCI-TO-ISA / IDE XCELERATOR PIIX4

82371AB (PIIX4)
E
12.0. PINOUT INFORMATION
1
2
3
4
5
6
7
8
9
10 11
12 13 14 15 16 17 18 19
20
A
PCIR- AD27 IDSEL AD19 FRA- SERR# AD13 AD9 AD5 AD1 PCIR- PHLD- SDD6 SDD4 SDD13 SDDR- SDD- SDA2 PDD8 PDD7
ST#
ME #
EQB# A#
EQ ACK#
B
AD31 AD26 AD23 AD18 IRDY# PAR AD12 AD8 AD4 AD0 PCIR- PHO- SDD9 SDD- SDD1 SDI- SDA1 SDC- PDD9 PDD6
EQC# LD#
11
OW#
S1#
C
AD30 AD25 AD22 AD17 TRDY# C/- AD11 C/- AD3 CLK- PCIR- SDD7 SDD5 SDD3 SDD14 SDI- SDA0 SDC- PDD10 PDD5
BE1#
BE0#
RUN# EQD#
OR#
S3#
D
AD28 C/- AD20 C/- STOP# AD14 AD10 AD6 AD2 VSS PCI- SDD8 SDD10 SDD2 SDD15 SIO- PDD- PDD3 PDD- PDD4
BE3#
BE2#
CLK
RDY 12
11
E
AD29 AD24 AD21 AD16 DEV- AD15 VSS AD7 VCC PCIR- VCC VCC VSS SDD12 SDD0 VCC PDD14 PDD1 PDD13 PDD2
SEL#
EQA#
F
USB- GPO- GPO- GPO- VCC VCC
VCC VCC PDI- PDI- PDD- PDD15 PDD0
P1+ 28
29
30
OW# OR# REQ
G
PIR- USB- GP1- GPO- GPO- VCC
QD# P0+ 21
0
27
PDA0 PDA2 PDA1 PDD- PIO-
ACK# RDY
H
GPI- USB USB GPI- GPI-
18 P1- PO- 19
20
OC0# OC1# GPI- NC VSS
14
(USB)
KBC- RTC- GPI- GPI- VCC
CS# CS# 16
17 (USB)
RTC- GPI- CLK- PCS0# GPI-
ALE 13
48
15
VSS VSS VSS VSS
VSS VSS VSS VSS
VSS VSS VSS VSS
PDC- PDC- API- THRM# IRQ0
S3# S1# CCS#
J
VREF APIC- STP- SER- IRQ1
ACK# CLK# IRQ
K
ZZ SPKR APIC- FERR# SLP#
REQ#
L
VCC IGN- INIT INTR NMI
(RTC) NE#
REQ- BIOS- XDIR# XOE# NC
A# CS#
GNTA# REQ- NC MCCS# PCS1#
B#
VSS VSS VSS VSS
M
NC RSM- POWER CPU- A20-
RST# OK RST M#
N
VCC SMBAL- NC RTCX1 RCIN#
(SUS) ERT#
P
A20- GNT- REQ- GNT- PIR-
VCC LID SUS- RI# GPI- SMI#
GATE B#
C#
C#
QC#
CLK
1
R
CPU_- PCI_- PIR- PIR- NC VCC VCC
STP# STP# QA# QB#
VCC VCC CON- CON- SMB- RTC-
(SUS) FIG1 _FIG2 CLK X2
T
SD6 SD3 IOCH- IOW# SA16 VCC SYS- SA9 IRQ3 SA4 SA1 LA23 IRQ- LA18 DACK- SD9 SUS_ SUS_ GPO- SMB-
RDY
CLK
12/M
5#
STAT1# STAT2# 8 DATA
U
IRQ9- SD2 SME- SA18 DRE- DRE- SA11 IRQ5 SA6 BALE SA0 IRQ10 LA20 DACK- MEM- DRE- DRE- SUSC# BAT- PWR-
OUT
MW#
Q3 Q1
0# W# Q6 Q7
LOW# BTN#
V
SD7 DRE- SD0 SA19 DACK- SA14 SA12 IRQ6 SA7 TC OSC IOCS- LA21 IRQ14 MEM- DACK- SD11 TEST# SUSB# EXT-
Q2
3#
16#
R#
6#
SMI#
W
RST- SD4 SD1 SME- SA17 DACK- REFR- SA10 IRQ4 SA5 SA2 SBH- IRQ11 LA19 DRE- SD8 DACK- SD13 SD15 SUSA#
DRV
MR#
1# ESH#
E#
Q0
7#
Y
IOCHK# SD5 ZERO- AEN IOR# SA15 SA13 IRQ7 SA8 DACK- SA3 MEM- LA22 IRQ15 LA17 DRE- SD10 SD12 SD14 IRQ8#
WS#
2#
CS16#
Q5
pix4_pin
NOTE: For multiplexed pins, only one of the two signal names is shown in this figure. For example, the name for
“Y20” only lists IRQ8#(instead of IRQ8#/GPI6). The pin list in Table 55 includes both signal names for
the multiplexed pins.
Figure 34. PIIX4 Pinout
270
PRELIMINARY
4/9/97 2:23 PM PIIX4aDS
INTEL CONFIDENTIAL
(until publication date)