
Annex: Resources
Beckhoff New Automation Technology CB4053 page 75
Address Function
IRQ12 PS/2 Mouse
IRQ13 FPU
IRQ14 IDE Primary
IRQ15
D PCI Devices
All listed PCI devices exist on the board. Some PCI devices or functions of devices may be disabled in
the BIOS setup. Once a device is disabled other devices may get PCI bus numbers different from the
ones listed in the table.
AD INTA REQ Bus Dev. Fct. Controller / Slot
- - 0 0 0 Host Bridge ID8100h
A - 0 2 0 VGA Graphics ID8108h
A - 0 26 0 USB Client ID8118h
A - 0 27 0 HDA Controller ID811Bh
A - 0 28 0 PCI Express Port 1 ID8110h
B - 0 28 1 PCI Express Port 2 ID8112h
A - 0 29 0 USB UHCI Controller #1 ID8114h
B - 0 29 1 USB UHCI Controller #2 ID8115h
C - 0 29 2 USB UHCI Controller #3 ID8116h
D - 0 29 7 USB 2.0 EHCI Controller ID8117h
- - 0 30 0 SDIO/MMC Port 0
- - 0 30 1 SDIO/MMC Port 1
- - 0 30 2 SDIO/MMC Port 2
- - 0 31 0 LPC Interface ID8119h
- - 0 31 1 IDE Controller ID811Ah
A - (1) 0 0 LAN ID10D3h
- (2) 0 0 PCI Bridge IDE110h
20 A 0 (3) 4 External Slot 1
21 B 1 (3) 5 External Slot 2
22 C 2 (3) 6 External Slot 3
23 D 3 (3) 7 External Slot 4
E SMB Devices
The following table contains all reserved SM-Bus device addresses in 8-bit notation. Note that external
devices must not use any of these addresses even if the component mentioned in the table is not present
on the motherboard.
Address Function
10-11 Standard slave address
40-41 GPIO
60-61 BIOS internal
70-73 POST code output
88-89 BIOS-defined slave address
A0-A1 DIMM 1
A2-A3 DIMM 2
A4-AF BIOS internal
B0-BF BIOS internal
D2-D3 Clock
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