FW82801DBM S L6DN Intel, FW82801DBM S L6DN Datasheet - Page 68
FW82801DBM S L6DN
Manufacturer Part Number
FW82801DBM S L6DN
Description
Manufacturer
Intel
Datasheet
1.FW82801DBM_S_L6DN.pdf
(615 pages)
Specifications of FW82801DBM S L6DN
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68
Table 3-4. Power Plane and States for Output and I/O Signals (Sheet 3 of 3)
®
ICH4-M Power Planes and Pin States
SMLINK[1:0]
SPKR
AC_RST#
AC_SDOUT
AC_SYNC
GPIO[25]
GPIO[27:28]
GPIO[32:43}
Signal Name
NOTES:
1. ICH4 sets these signals at reset for processor frequency strap.
2. N/A for Mobile [GPIO[18] will toggle at a frequency of approximately 1 Hz when the ICH4 comes out of reset].
3. CPUPWRGD is an open-drain output that represents a logical AND of the ICH4’s VGATE / VRMPWRGD and
4. LAN Connect and EEPROM signals will either be “Defined” or “Off” in S3–S5 states depending upon whether
5. The state of the DPRSLPVR signal in S1-M is high if Deeper Sleep is enabled or low if it is disabled.
6. The states of main I/O signals are taken at the times during PCIRST# and Immediately after PCIRST#.
7. The states of resume I/O signals are taken at the times during RSMRST# and Immediately after RSMRST#.
8. SLP_5# is high in the S4 state and asserted low in the S5 state.
PWROK signals, and thus will be driven low by ICH4 when either VGATE / VRMPWRGD or PWROK are
inactive. During boot, or during a hard reset with power cycling, CPUPWRGD will be expected to transition
from low to High-Z.
or not the LAN power planes are active.
Resume I/O
Resume I/O
Resume I/O
Resume I/O
Main I/O
Main I/O
Main I/O
Main I/O
Power
Plane
Internal Pull-
PCIRST#
RSMRST#
High-Z with
During
High-Z
Down
High
High
High
Low
Low
Low
System Management Interface
6
Unmuxed GPIO Signals
Miscellaneous Signals
7
/
AC ’97 Interface
after PCIRST#
Immediately
/ RSMRST#
Running
Running
High-Z
High
High
High
Low
Low
7
6
Running
Running
Defined
Defined
Defined
Defined
Defined
C3/C4
High
Intel
®
82801DBM ICH4-M Datasheet
Reset Bit
Defined
Defined
Defined
Defined
Defined
(High)
S1-M
Cold
Low
Low
Defined
Defined
Defined
Low
Off
Off
Off
Off
S3
Defined
Defined
Defined
S4/S5
Low
Off
Off
Off
Off
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