BOXD845EBG2L Intel, BOXD845EBG2L Datasheet - Page 50

• Manufacturer Part Number: BOXD845EBG2L
• Manufacturer: Intel

Specifications of BOXD845EBG2L

• Lead Free Status / Rohs Status: Supplier Unconfirmed

Intel Desktop Board D845EBG2/D845EPT2 Technical Product Specification
2.6 Interrupts
50
The interrupts can be routed through either the Programmable Interrupt Controller (PIC) or the
Advanced Programmable Interrupt Controller (APIC) portion of the ICH4 component. The PIC is
supported in Windows 98 SE and Windows ME and uses the first 16 interrupts. The APIC is
supported in Windows 2000 and Windows XP and supports a total of 24 interrupts.
Table 16.
Notes:
1.
2.
IRQ
NMI
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
Default, but can be changed to another IRQ.
Available in APIC mode only.
Interrupts
System Resource
I/O channel check
Reserved, interval timer
Reserved, keyboard buffer full
Reserved, cascade interrupt from slave PIC
COM2
COM1
LPT2 (Plug and Play option)/User available
Diskette drive
LPT1
Real-time clock
Reserved for ICH4 system management bus
User available
User available
Onboard mouse port (if present, else user available)
Reserved, math coprocessor
Primary IDE (if present, else user available)
Secondary IDE (if present, else user available)
USB UHCI controller 1 (through PIRQA)
AC ’97 audio/modem/User available (through PIRQB)
ICH4 USB controller 3 (through PIRQC)
ICH4 USB controller 2 (through PIRQD)
ICH4 LAN (optional) (through PIRQE)
User available (through PIRQF)
User available (through PIRQG)
ICH4 USB 2.0 EHCI controller/User available (through PIRQH)
(Note 1)
(Note 1)
(Note 1)