NHE6300ESB S L7XJ Intel, NHE6300ESB S L7XJ Datasheet - Page 364

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

Specifications of NHE6300ESB S L7XJ

• Lead Free Status / RoHS Status: Compliant

8.4.6
Table 242. ICW4—Initialization Command Word 4 Register
8.4.7
Table 243. OCW1—Operational Control Word 1 (Interrupt Mask) Register
Intel
DS
364
Bits
Bits
Default Value:
Default Value:
7:5
7:0
4
3
2
1
0
®
6300ESB I/O Controller Hub
Master/Slave in Buffered
Device:
Device:
Offset:
Offset:
Interrupt Request Mask
Buffered Mode (BUF)
Microprocessor Mode
Special Fully Nested
Automatic End of
Interrupt (AEOI)
Mode (SFNM)
ICW4—Initialization Command Word 4 Register
OCW1—Operational Control Word 1 (Interrupt
Mask) Register
31
Master Controller - 021h
Slave Controller - 0A1h
All bits undefined
Name
31
Master Controller - 021h
Slave Controller - 0A1h
00h
Name
Mode
0 = These bits must be programmed to zero.
0 = Should normally be disabled by writing a 0 to this bit.
1 = Special fully nested mode is programmed.
0 = Must be programmed to 0 for the Intel
Not used.
0 = Should always be programmed to 0.
0 = This bit should normally be programmed to 0. This is the
1 = Automatic End of Interrupt (AEOI) mode is programmed.
1 = Must be programmed to 1 to indicate that the controller
NOTE: Programming this bit to 0 will result in improper
When a 1 is written to any bit in this register, the
corresponding IRQ line is masked. When a 0 is written to any
bit in this register, the corresponding IRQ mask bit is cleared,
and interrupt requests will again be accepted by the
controller. Masking IRQ2 on the master controller will also
mask the interrupt requests from the slave controller.
This is non-buffered mode.
normal end of interrupt.
is operating in an Intel
controller operation.
Description
Description
Attribute:
Attribute:
Function:
Function:
®
Architecture-based system.
Size:
Size:
0
Write-Only
8-bit
0
Read/Write
8-bit
®
6300ESB ICH.
Order Number: 300641-004US
Intel
®
6300ESB ICH—8
November 2007
Access
Access
R/W
WO
WO
WO
WO
WO