NHE6300ESB S L7XJ Intel, NHE6300ESB S L7XJ Datasheet - Page 372

• Manufacturer Part Number: NHE6300ESB S L7XJ
• Manufacturer: Intel

Specifications of NHE6300ESB S L7XJ

• Lead Free Status / RoHS Status: Compliant

8.5.7
Table 255. Offset 01h: VER—Version Register
8.5.8
Table 256. Offset 02h: ARBID—Arbitration ID Register
Intel
DS
372
31:2
23:1
14:8
31:2
27:2
23:0
Bits
Bits
Default Value:
Default Value:
7:0
15
4
6
8
4
®
6300ESB I/O Controller Hub
Note: Each I/O APIC contains a hardwired Version Register that identifies different
Note: This register contains the bus arbitration priority for the APIC. When the APIC Clock is
Device:
Device:
Offset:
Offset:
I/O APIC Identification
Maximum Redirection
Offset 01h: VER—Version Register
implementation of APIC and their versions. The maximum redirection entry information
also is in this register, to let software know how many interrupt are supported by this
APIC.
Offset 02h: ARBID—Arbitration ID Register
running, this register is loaded whenever the APIC ID register is loaded. A rotating
priority scheme is used for APIC bus arbitration. The winner of the arbitration becomes
the lowest priority agent and assumes an arbitration ID of zero.
Reserved
Reserved
Reserved
Reserved
Version
Entries
31
01h
00170020h
Name
31
02h
00000000h
Name
PRQ
Reserved.
This is the entry number (0 being the lowest entry) of the
highest entry in the redirection table. It is equal to the
number of interrupt input pins minus one and is in the range
0 through 239. In the Intel
hardwired to 17h to indicate 24 interrupts.
This bit is set to 1 to indicate that this version of the I/O APIC
implements the IRQ Assertion register and allows PCI devices
to write to it to cause interrupts.
Reserved.
This is a version number that identifies the implementation
version. The version number assigned to the Intel
ICH for the I/O (x) APIC is 20h.
Reserved.
This 4-bit field contains the I/O APIC Arbitration ID.
Reserved.
Description
Description
Attribute:
Attribute:
Function:
Function:
®
6300ESB ICH this field is
Size:
Size:
0
Read-Only
32-bit
0
Read-Only
32-bit
®
Order Number: 300641-004US
6300ESB
Intel
®
6300ESB ICH—8
November 2007
Access
Access
RO
RO
RO
RO