NH82801ERSL8WB Intel, NH82801ERSL8WB Datasheet - Page 399
NH82801ERSL8WB
Manufacturer Part Number
NH82801ERSL8WB
Description
Manufacturer
Intel
Datasheet
1.NH82801ERSL8WB.pdf
(671 pages)
Specifications of NH82801ERSL8WB
Lead Free Status / RoHS Status
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Intel
®
82801EB ICH5 / 82801ER ICH5R Datasheet
Bit
1:0
11
10
9
8
7
6
5
4
3
2
Microcontroller SMI# Status ( MCSMI_STS) — R/WC. Software clears this bit by writing a 1 to it.
0 = Indicates that there has been no access to the power management microcontroller range (62h
1 = Set if there has been an access to the power management microcontroller range (62h or 66h).
GPE0_STS — RO. This bit is a logical OR of the bits in the ALT_GP_SMI_STS register that are also
set up to cause an SMI# (as indicated by the GPI_ROUT registers) and have the corresponding bit
set in the ALT_GP_SMI_EN register. Bits that are not routed to cause an SMI# will have no effect
on this bit.
0 = SMI# was not generated by a GPI assertion.
1 = SMI# was generated by a GPI assertion.
GPE0_STS — RO. This bit is a logical OR of the bits in the GPE0_STS register that also have the
corresponding bit set in the GPE0_EN register.
0 = SMI# was not generated by a GPE0 event.
1 = SMI# was generated by a GPE0 event.
PM1_STS_REG — RO. This is an ORs of the bits in the ACPI PM1 Status Register (offset
PMBASE+00h) that can cause an SMI#.
0 = SMI# was not generated by a PM1_STS event.
1 = SMI# was generated by a PM1_STS event.
Reserved
SWSMI_TMR_STS — R/WC. Software clears this bit by writing a 1 to it.
0 = Software SMI# Timer has not expired.
1 = Set by the hardware when the Software SMI# Timer expires.
APM_STS — R/WC. Software clears this bit by writing a 1 to it.
0 = No SMI# generated by write access to APM Control register with APMCH_EN bit set.
1 = SMI# was generated by a write access to the APM Control register with the APMC_EN bit set.
SLP_SMI_STS — R/WC. Software clears this bit by writing a 1 to the bit location.
0 = No SMI# caused by write of 1 to SLP_EN bit when SLP_SMI_EN bit is also set.
1 = Indicates an SMI# was caused by a write of 1 to SLP_EN bit when SLP_SMI_EN bit is also set.
LEGACY_USB_STS — RO. This bit is a logical OR of each of the SMI status bits in the USB
Legacy Keyboard/Mouse Control Registers ANDed with the corresponding enable bits. This bit will
not be active if the enable bits are not set.
0 = SMI# was not generated by USB Legacy event.
1 = SMI# was generated by USB Legacy event.
BIOS_STS — R/WC.
0 = No SMI# generated due to ACPI software requesting attention.
1 = SMI# was generated due to ACPI software requesting attention (writing a 1 to the GBL_RLS bit
Reserved
or 66h).
If this bit is set, and the MCSMI_EN bit is also set, the ICH5 will generate an SMI#.
with the BIOS_EN bit set).
Description
LPC Interface Bridge Registers (D31:F0)
399
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