EP80579 Datasheet, PDF (1077/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
Table 27-26. Causes of SMI# (Sheet 1 of 2)
Cause
Additional Enables
PME#
SCI_EN = 0, PME_EN = 1
Internal EHCI wake (PME_B0)
SCI_EN = 0, PME_B0_EN = 1
Power Button Press
SCI_EN = 0, PWRBTN_EN = 1
RTC Alarm
SCI_EN = 0, RTC_EN = 1
Ring Indicate
SCI_EN = 0, RI_EN = 1
USB #1 wakes
SCI_EN = 0, USB1_EN = 1
PROCHOT# pin active
SCI_EN = 0
ACPI Timer overflow (2.34
seconds)
SCI_EN = 0, TMROF_EN = 1
Any GPI
GPI[x]_Route = 01,
ALT_GPI_SMI[x]_EN = 1
TCO SMI Logic
TCO_EN = 1
NMI I (and NMIs mapped to SMI)
NMI2SMI_EN = 1
See NMI section for causes.
GBL_RLS written to 1
BIOS_EN = 1
Write to B2h register
APMC_EN
Periodic timer expires
PERIODIC_EN = 1
64 ms timer expires
SWSMI_TMR_EN = 1
Internal Thermal Throttle
Monitor Status
Enhanced USB Legacy Support
Event
LEGACY_USB2_EN = 1
Enhanced USB Intel-Specific
Event
INTEL_USB2_EN = 1
Classic USB Legacy logic (Port 64/
60 rd/wr, End of pass-through)
LEGACY_USB_EN = 1
Classic USB Legacy logic (IRQ)
LEGACY_USB_EN = 1
Serial IRQ SMI Reported
None
Device Monitors
(D15:D0)matches an address in
its range
See Trap Section 18.2.2.1.
SMBus Host Controller
SMB_SMI_EN,
Host Controller enabled
SMBus Slave SMI message
None
SMBus SMBALERT# signal active None
SMBus Host Notify message
received
HOST_NOTIFY_INTREN
Where Reported
PME_STS
PME_B0_STS
PWRBTN_STS
RTC_STS
RI_STS
USB1_STS
Synch
TMROF_STS
GPE1_STS,
ALT_GPI_SMI[x]_STS
TCO_STS
TCO_STS, NMI2SMI_STS
BIOS_STS
X
APM_STS
X
PERIODIC_STS
SWSMI_TMR_STS
INTERNAL_TT_STS
MONITOR_STS
X
LEGACY_USB2_STS
INTEL_USB2_STS
LEGACY_USB_STS
X
LEGACY_USB_STS
SERIRQ_SMI_STS
DEVMON_STS,
X
Various bits in the SMBus
Host Status Register
SMBUS_SMI_STS
SMBUS_SMI_STS
SMBUS_SMI_STS,
HOST_NOTIFY_STS
August 2009
Order Number: 320066-003US
Intel^® EP80579 Integrated Processor Product Line Datasheet
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