NH82801DBSL8DE 869490 Intel, NH82801DBSL8DE 869490 Datasheet - Page 138
NH82801DBSL8DE 869490
Manufacturer Part Number
NH82801DBSL8DE 869490
Description
Manufacturer
Intel
Datasheet
1.NH82801DBSL8DE_869490.pdf
(587 pages)
Specifications of NH82801DBSL8DE 869490
Lead Free Status / RoHS Status
Compliant
- Current page: 138 of 587
- Download datasheet (7Mb)
Functional Description
138
Table 5-38. Causes of SMI# and SCI (Sheet 1 of 2)
Table 5-38
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
TCO_EN=1
BIOSWP=1
RTC_EN=1
GBL_EN=1
RI_EN=1
BLD=1
none
none
none
none
none
none
none
Intel
®
82801DB ICH4 Datasheet
NEWCENTURY_STS
LEGACY_USB2_STS
LEGACY_USB_STS
SWSMI_TMR_STS
SERIRQ_SMI_STS
INTEL_USB2_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
AC ’97_STS
THRM_STS
GPI[x]_STS
USB1_STS
USB2_STS
USB3_STS
GPE0_STS
BIOS_STS
PME_STS
APM_STS
RTC_STS
TCO_STS
TIMEOUT
GBL_STS
RI_STS
Related parts for NH82801DBSL8DE 869490
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Intel 82801DB I/O Controller Hub (ICH4), Pb-Free SLI
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
Intel
Datasheet:
Part Number:
Description:
Microprocessor: Intel Celeron M Processor 320 and Ultra Low Voltage Intel Celeron M Processor at 600MHz
Manufacturer:
Intel Corporation
Part Number:
Description:
Intel 82550 Fast Ethernet Multifunction PCI/CardBus Controller
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
Intel StrataFlash memory 32 Mbit. Access speed 120 ns
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
Intel StrataFlash memory 32 Mbit. Access speed 120 ns
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
Intel StrataFlash memory 64 Mbit. Access speed 150 ns
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
Intel StrataFlash memory 32 Mbit. Access speed 100 ns
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
DA28F640J5A-1505 Volt Intel StrataFlash Memory
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
5 Volt Intel StrataFlash?? Memory
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
5 Volt Intel StrataFlash?? Memory
Manufacturer:
Intel Corporation
Part Number:
Description:
Intel 6300ESB I/O Controller Hub
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
Intel 82801FB I/O Controller Hub (ICH6)
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
Intel Strataflash Memory28F128J3 28F640J3 28F320J3
Manufacturer:
Intel Corporation
Datasheet: