NHE6300ESB S L7XJ Intel, NHE6300ESB S L7XJ Datasheet - Page 124
NHE6300ESB S L7XJ
Manufacturer Part Number
NHE6300ESB S L7XJ
Description
Manufacturer
Intel
Datasheet
1.NHE6300ESB_S_L7XJ.pdf
(848 pages)
Specifications of NHE6300ESB S L7XJ
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Compliant
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5.7.5
Table 45.
Intel
DS
124
®
6300ESB I/O Controller Hub
APIC Bus Functional Description
APIC Interrupt Mapping, APIC0 Agent
IRQ #
NOTES:
1. IRQ 14 and 15 may only be driven directly from the pins when in Legacy IDE mode.
2. NO from external devices, YES of access from processor
3. In APIC mode, the PCI interrupts A:H are mapped to IRQ[16:23].
4. When an interrupt is used for PCI IRQ[A:H], SCI, or TCO, it should not be used for ISA-style
5. When programming the polarity of internal interrupt sources on the APIC, interrupts 0
6. When IRQ11 is used for MMT #2, software should ensure IRQ 11 is not shared with any other
7. PCI Message interrupts are not prevented by hardware in these cases. However, the system
10
11
12
13
14
15
16
17
18
19
20
21
22
23
0
1
2
3
4
5
6
7
8
9
interrupts (via SERIRQ)
through 15 receive active-high internal interrupt sources; interrupts 16 through 23 receive
active-low internal interrupt sources
devices to ensure the proper operation of MMT #2. The Intel
sharing of IRQ 11.
must not program these interrupts as edge-triggered (as required for PCI message
interrupts) because the internal and external PIRQs on these inputs must be programmed in
level-triggered modes.
PIRQ[C]#
PIRQ[D]#
PIRQ[A]#
PIRQ[B]#
SERIRQ
N/A
N/A
N/A
N/A
Via
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
PIRQ[D]#
PIRQ[G]#
PIRQ[H]#
PIRQ[A]#
PIRQ[B]#
PIRQ[C]#
PIRQ[E]#
PIRQ[F]#
from pin
Direct
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
1
1
message
Via PCI
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Cascade from 8259 #1
8254 Counter 0, MMT #0 (legacy mode)
RTC, MMT #1 (legacy mode)
Option for SCI, TCO
Option for SCI, TCO
Option for SCI, TCO, MMT #2
FERR# logic
Storage (IDE/SATA) Primary (legacy mode)
Storage (IDE/SATA) Secondary (legacy mode)
USB1 UHCI Controller #1
AC’97 Audio, Modem, option for SMbus
Storage (IDE/SATA) native mode
USB 1.0 UHCI Controller #2
Option for SCI, TCO, MMT #0,1,2
Option for SCI, TCO, MMT #0,1,2
Option for SCI, TCO, MMT #0,1,2
USB 2.0 EHCI Controller, option for SCI, TCO,
MMT #0,1,2
Internal Modules
®
6300ESB ICH does not prevent
Order Number: 300641-004US
Intel
®
6300ESB ICH—5
November 2007
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