NH82801GHM S L8YR Intel, NH82801GHM S L8YR Datasheet - Page 462
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NH82801GHM S L8YR
Manufacturer Part Number
NH82801GHM S L8YR
Description
Manufacturer
Intel
Datasheet
1.NH82801GHM_S_L8YR.pdf
(848 pages)
Specifications of NH82801GHM S L8YR
Lead Free Status / RoHS Status
Compliant
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10.9.9
10.9.10
10.9.11
462
TCO_WDCNT—TCO Watchdog Control Register
Offset Address: TCOBASE + 0Eh
Default Value:
Power Well:
SW_IRQ_GEN—Software IRQ Generation Register
Offset Address: TCOBASE + 10h
Default Value:
Power Well:
TCO_TMR—TCO Timer Initial Value Register
I/O Address:
Default Value:
Lockable:
15:10
7:2
9:0
7:0
Bit
Bit
Bit
1
0
Reserved
IRQ12_CAUSE — R/W. The state of this bit is logically ANDed with the IRQ12 signal as
received by the Intel
expected to receive IRQ12 assertions from a SERIRQ device.
IRQ1_CAUSE — R/W. The state of this bit is logically ANDed with the IRQ1 signal as
received by the ICH7’s SERIRQ logic. This bit must be a 1 (default) if the ICH7 is
expected to receive IRQ1 assertions from a SERIRQ device.
Reserved
TCO Timer Initial Value — R/W. Value that is loaded into the timer each time the
TCO_RLD register is written. Values of 0000h or 0001h will be ignored and should not
be attempted. The timer is clocked at approximately 0.6 seconds, and thus allows
timeouts ranging from 1.2 second to 613.8 seconds. Note: The timer has an error of
± 1 tick (0.6s).
The TCO Timer will only count down in the S0 state.
sent in the Alert On LAN message on the SMLINK interface. It can be used by the BIOS
or system management software to indicate more details on the boot progress. This
register will be reset to the default of 00h based on RSMRST# (but not PCI reset).
Watchdog Status (WDSTATUS) — R/W. The value written to this register will be
00h
Resume
11h
Core
TCOBASE +12h
0004h
No
®
ICH7’s SERIRQ logic. This bit must be a 1 (default) if the ICH7 is
Description
Description
Description
Attribute:
Size:
Attribute:
Size:
Attribute:
Size:
Power Well:
LPC Interface Bridge Registers (D31:F0)
Intel
R/W
8 bits
R/W
8 bits
R/W
16-bit
Core
®
ICH7 Family Datasheet
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