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| 82801FB Datasheet, PDF (83/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family | |||
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Pin States
Table 3-3. Power Plane and States for Output and I/O Signals for Desktop Configurations
(Sheet 3 of 4)
Signal Name
Power
Plane
During
Immediately
PLTRST#1 / after PLTRST#1 /
RSMRST#2
RSMRST#2
S1
S3COLD3
S4/S5
Processor Interface
A20M#
CPUPWRGD
CPUSLP#
IGNNE#
INIT#
INIT3_3V#
INTR
NMI
SMI#
STPCLK#
V_CPU_IO
V_CPU_IO
V_CPU_IO
V_CPU_IO
V_CPU_IO
Vcc3_3
V_CPU_IO
V_CPU_IO
V_CPU_IO
V_CPU_IO
Note 6
Note 7
High
Note 6
High
High
Note 8
Note 8
High
High
Note 6
High
Off
Off
High-Z
High-Z
Off
Off
High
Defined
Off
Off
Note 6
High
Off
Off
High
High
Off
Off
High
High
Off
Off
Note 8
Low
Off
Off
Note 8
Low
Off
Off
High
High
Off
Off
High
Low
Off
Off
SMBCLK, SMBDATA VccSus3_3
SMBus Interface
High-Z
High-Z
Defined
Defined Defined
SMLINK[1:0]
LINKALERT#
System Management Interface
VccSus3_3
VccSus3_3
High-Z
High-Z
High-Z
High-Z
Defined
Defined
Defined
Defined
Defined
Defined
SPKR
Miscellaneous Signals
High-Z with
Vcc3_3 Internal Pull-
Low
down
Defined
Off
Off
AC â97 Interface
ACZ_RST#
VccSus3_3
Low
ACZ_SDOUT
ACZ_SYNC
Vcc3_3
Low
Vcc3_3
Low
Low
Cold Reset
Bit (High)
Low
Low
Running
Low
Off
Off
Running
Low
Off
Off
ACZ_RST#
ACZ_SDOUT
ACZ_SYNC
ACZ_BIT_CLK
Intel High Definition Audio Interface
VccSus3_3
Low
Low9
Low
High-Z with
Vcc3_3 Internal Pull-
Running
Low
down
High-Z with
Vcc3_3 Internal Pull-
Running
Low
down
High-Z with
Vcc3_3 Internal Pull-
Low9
Low
down
Low
Low
Off
Off
Off
Off
Off
Off
Intel® I/O Controller Hub 6 (ICH6) Family Datasheet
83
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