NH82801DBSL8DE 869490 Intel, NH82801DBSL8DE 869490 Datasheet - Page 258
NH82801DBSL8DE 869490
Manufacturer Part Number
NH82801DBSL8DE 869490
Description
Manufacturer
Intel
Datasheet
1.NH82801DBSL8DE_869490.pdf
(587 pages)
Specifications of NH82801DBSL8DE 869490
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LAN Controller Registers (B1:D8:F0)
7.1.15
7.1.16
7.1.17
7.1.18
258
CAP_PTR — Capabilities Pointer
(LAN Controller—B1:D8:F0)
Offset Address:
Default Value:
INT_LN — Interrupt Line Register
(LAN Controller—B1:D8:F0)
Offset Address:
Default Value:
INT_PN — Interrupt Pin Register
(LAN Controller—B1:D8:F0)
Offset Address:
Default Value:
MIN_GNT — Minimum Grant Register
(LAN Controller—B1:D8:F0)
Offset Address:
Default Value:
Bit
7:0
Bit
7:0
Bit
7:0
Bit
7:0
Capabilities Pointer (CAP_PTR) — RO. Hardwired to DCh; indicates the offset within
configuration space for the location of the Power Management registers.
Interrupt Line (INT_LN) — R/W. Identifies the system interrupt line to which the LAN controller’s
PCI interrupt request pin (as defined in the Interrupt Pin Register) is routed.
Interrupt Pin (INT_PN) — RO. Hardwired to 01h to indicate that the LAN controller’s interrupt
request is connected to PIRQA#. However, in the Intel
controller interrupt is generated PIRQ[E]# will go active, not PIRQ[A]#. Note that if the PIRQ[E]#
signal is used as a GPIO, the external visibility will be lost (though PIRQ[E]# will still go active
internally).
Minimum Grant (MIN_GNT) — RO. This field indicates the amount of time (in increments of 0.25 s)
that the LAN controller needs to retain ownership of the PCI bus when it initiates a transaction.
34h
DCh
3Ch
00h
3Dh
01h
3Eh
08h
Description
Description
Description
Description
Attribute:
Size:
Attribute:
Size:
Attribute:
Size:
Attribute:
Size:
®
ICH4 implementation, when the LAN
Intel
RO
8 bits
R/W
8 bits
RO
8 bits
RO
8 bits
®
82801DB ICH4 Datasheet
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