FW82801BA S L5PN Intel, FW82801BA S L5PN Datasheet - Page 149
FW82801BA S L5PN
Manufacturer Part Number
FW82801BA S L5PN
Description
Manufacturer
Intel
Datasheet
1.FW82801BA_S_L5PN.pdf
(671 pages)
Specifications of FW82801BA S L5PN
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Table 62. Causes of SMI# and SCI (Sheet 1 of 2)
82801EB ICH5 / 82801ER ICH5R Datasheet
Table 62
programmed to cause either an SMI# or SCI. The usage of the event for SCI (instead of SMI#) is
typically associated with an ACPI-based system. Each SMI# or SCI source has a corresponding
enable and status bit.
PME#
PME_B0 (internal EHCI controller)
Power Button Press
RTC Alarm
Ring Indicate
AC ’97 wakes
USB#1 wakes
USB#2 wakes
USB#3 wakes
USB#4 wakes
THRM# pin active
ACPI Timer overflow (2.34 sec.)
Any GPI
TCO SCI Logic
TCO SCI message from MCH
TCO SMI Logic
TCO SMI — Year 2000 Rollover
TCO SMI — TCO TIMEROUT
TCO SMI — OS writes to
TCO_DAT_IN register
TCO SMI — Message from MCH
TCO SMI — NMI occurred (and
NMIs mapped to SMI)
TCO SMI — INTRUDER# signal
goes active
TCO SMI — Change of the
BIOSWP bit from 0 to 1
TCO SMI — Write attempted to
BIOS
BIOS_RLS written to
GBL_RLS written to
Write to B2h register
Periodic timer expires
64 ms timer expires
shows which events can cause an SMI# and SCI. Note that some events can be
Cause
SCI
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
SMI
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
GPI[x]_Route=01 (SMI)
GPI[x]_Route=10 (SCI)
SWSMI_TMR_EN=1
Additional Enables
PERIODIC_EN=1
PWRBTN_EN=1
NMI2SMI_EN=1
INTRD_SEL=10
PME_B0_EN=1
GPE0[x]_EN=1
TCOSCI_EN=1
TMROF_EN=1
THRM_EN=1
USB1_EN=1
USB2_EN=1
USB3_EN=1
USB4_EN=1
AC97_EN=1
BIOS_EN=1
PME_EN=1
RTC_EN=1
TCO_EN=1
BIOSWP=1
GBL_EN=1
RI_EN=1
BLD=1
none
none
none
none
none
none
Functional Description
NEWCENTURY_STS
SWSMI_TMR_STS
Where Reported
PERIODIC_STS
PWRBTN_STS
NMI2SMI_STS
MCHSMI_STS
BIOSWR_STS
BIOSWR_STS
PME_B0_STS
MCHSCI_STS
OS_TCO_SMI
TCOSCI_STS
TMROF_STS
INTRD_DET
THRM_STS
GPI[x]_STS
USB1_STS
USB2_STS
USB3_STS
USB4_STS
GPE0_STS
AC97_STS
BIOS_STS
PME_STS
APM_STS
RTC_STS
TCO_STS
TIMEOUT
GBL_STS
RI_STS
149
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