FW82801DBM S L6DN Intel, FW82801DBM S L6DN Datasheet - Page 385
FW82801DBM S L6DN
Manufacturer Part Number
FW82801DBM S L6DN
Description
Manufacturer
Intel
Datasheet
1.FW82801DBM_S_L6DN.pdf
(615 pages)
Specifications of FW82801DBM S L6DN
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9.8.3.17
Intel
®
82801DBM ICH4-M Datasheet
DEVACT_STS — Device Activity Status Register
I/O Address:
Default Value:
Lockable:
Power Well:
This register is used in conjunction with the Periodic SMI# timer to detect any system activity for
legacy power management.
15:14
Bit
13
12
10
11
9
8
7
6
5
4
3
2
Reserved
ADLIB_ACT_STS — R/WC. Ad-Lib.
0 = Indicates that there has been no access to this device’s I/O range.
1 = This device’s I/O range has been accessed. Clear this bit by writing a 1 to the bit location.
KBC_ACT_STS — R/WC. KBC (60/64h).
0 = Indicates that there has been no access to this device’s I/O range.
1 = This device’s I/O range has been accessed. Clear this bit by writing a 1 to the bit location.
MIDI_ACT_STS — R/WC. MIDI.
0 = Indicates that there has been no access to this device’s I/O range.
1 = This device’s I/O range has been accessed. Clear this bit by writing a 1 to the bit location.
AUDIO_ACT_STS — R/WC. Audio (Sound Blaster “OR’d” with MSS).
0 = Indicates that there has been no access to this device’s I/O range.
1 = This device’s I/O range has been accessed. Clear this bit by writing a 1 to the bit location.
PIRQDH_ACT_STS
0 = The corresponding PCI interrupts have not been active.
1 = At least one of the corresponding PCI interrupts has been active. Clear this bit by writing a 1 to
PIRQCG_ACT_STS
0 = The corresponding PCI interrupts have not been active.
1 = At least one of the corresponding PCI interrupts has been active. Clear this bit by writing a 1 to
PIRQBF_ACT_STS
0 = The corresponding PCI interrupts have not been active.
1 = At least one of the corresponding PCI interrupts has been active. Clear this bit by writing a 1 to
PIRQAE_ACT_STS
0 = The corresponding PCI interrupts have not been active.
1 = At least one of the corresponding PCI interrupts has been active. Clear this bit by writing a 1 to
LEG_ACT_STS — R/WC. Parallel Port, Serial Port 1, Serial Port 2, Floppy Disk Controller.
0 = Indicates that there has been no access to this device’s I/O range.
1 = This device’s I/O range has been accessed. Clear this bit by writing a 1 to the bit location.
Reserved
IDES1_ACT_STS — R/WC. IDE Secondary Drive 1.
0 = Indicates that there has been no access to this device’s I/O range.
1 = This device’s I/O range has been accessed. Clear this bit by writing a 1 to the bit location.
IDES0_ACT_STS — R/WC. IDE Secondary Drive 0.
0 = Indicates that there has been no access to this device’s I/O range.
1 = This device’s I/O range has been accessed. Clear this bit by writing a 1 to the bit location.
the bit location.
the bit location.
the bit location.
the bit location.
PMBASE +44h
0000h
No
Core
—
—
—
—
R/WC. PIRQ[B or F].
R/WC. PIRQ[D or H].
R/WC. PIRQ[A or E].
R/WC. PIRQ[C or G].
Description
Attribute:
Size:
Usage:
LPC Interface Bridge Registers (D31:F0)
R/WC
16 bit
Legacy Only
385
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