6300ESB Datasheet, PDF (413/848 Pages) Intel Corporation – I/O Controller Hub

8—Intel^® 6300ESB ICH
Table 297. DEVACT_STS—Device Activity Status Register (Sheet 2 of 2)
Device: 31
I/O Address: PMBASE +44h
Default Value: 0000h
Lockable: No
Function: 0
Attribute: Read/Write Clear
Size: 16-bit
Power Well: Core
Bits
8
7
6
5
4
3
2
1
0
Name
PIRQCG_ACT_STS
PIRQBF_ACT_STS
PIRQAE_ACT_STS
LEG_ACT_STS
Reserved
IDES1_ACT_STS
IDES0_ACT_STS
IDEP1_ACT_STS
IDEP0_ACT_STS
Description
PIRQ[C or G].
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 the bit location.
PIRQ[B or F].
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 the bit location.
PIRQ[A or E].
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 the bit location.
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.
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.
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.
IDE Primary 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.
IDE Primary 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.
Access
R/WC
R/WC
R/WC
R/WC
R/WC
R/WC
R/WC
R/WC
November 2007
Order Number: 300641-004US
Intel^® 6300ESB I/O Controller Hub
DS
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