FW82801DBM S L6DN Intel, FW82801DBM S L6DN Datasheet - Page 144

• Manufacturer Part Number: FW82801DBM S L6DN
• Manufacturer: Intel

Specifications of FW82801DBM S L6DN

• Lead Free Status / RoHS Status: Not Compliant

Functional Description
144
Table 5-37. Causes of SMI# and SCI (Sheet 1 of 2)
Table 5-37
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 UHCI #1 wakes
USB UHCI #2 wakes
USB UHCI #3 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
Enhanced USB Legacy Support
Event
Enhanced USB Intel Specific Event
Classic USB Legacy logic
Serial IRQ SMI reported
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
No
No
No
No
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
Yes
Yes
Yes
No
No
No
LEGACY_USB2_EN = 1
GPI[x]_Route=01 (SMI)
GPI[x]_Route=10 (SCI)
LEGACY_USB_EN=1
INTEL_USB2_EN = 1
SWSMI_TMR_EN=1
Additional Enables
PERIODIC_EN=1
PWRBTN_EN=1
NMI2SMI_EN=1
INTRD_SEL=10
PME_B0_EN=1
TCOSCI_EN=1
GPE0[x]_EN=1
TMROF_EN=1
AC ’97_EN=1
THRM_EN=1
USB1_EN=1
USB2_EN=1
USB3_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
none
Intel
®
82801DBM ICH4-M Datasheet
LEGACY_USB2_STS
NEWCENTURY_STS
LEGACY_USB_STS
SWSMI_TMR_STS
SERIRQ_SMI_STS
INTEL_USB2_STS
Where Reported
PERIODIC_STS
PWRBTN_STS
NMI2SMI_STS
PME_B0_STS
MCHSCI_STS
OS_TCO_SMI
MCHSMI_STS
BIOSWR_STS
BIOSWR_STS
TCOSCI_STS
TMROF_STS
INTRD_DET
AC ’97_STS
THRM_STS
GPI[x]_STS
GPE0_STS
USB1_STS
USB2_STS
USB3_STS
BIOS_STS
PME_STS
TCO_STS
APM_STS
RTC_STS
TIMEOUT
GBL_STS
RI_STS