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Annex: Resources

Beckhoff New Automation Technology CB4050 page 69

Address Function

IRQ12 PS/2 Mouse

IRQ13 FPU

IRQ14 IDE Primary

IRQ15 (IDE Secondary)

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 PCI Dev. Fct. Controller / Slot

- - 0 0 0 Host Bridge ID3580

- - 0 0 1 ID3584

- - 0 0 3 ID3585

A - 0 2 0 VGA Graphics ID3582

- - 0 2 1 Graphics Controller ID3582

A - 0 29 0 USB UHCI Controller #1 ID24C2

D - 0 29 1 USB UHCI Controller #2 ID24C4

C - 0 29 2 USB UHCI Controller #3 ID24C7

H - 0 29 7 USB 2.0 EHCI Controller ID24CD

- - 0 30 0 Hub Interface to PCI Bridge ID244E

- - 0 31 0 PCI to LPC Bridge ID24C0

C - 0 31 1 IDE Controller ID24CB

B - 0 31 3 SMBus Controller ID24C3

B - 0 31 5 AC ’97 Audio Controller ID24C5

B - 0 31 6 AC ’97 Modem Controller ID24C6

17 E 4 1 or 2 1 0 LAN Intel 82551ER ID1209

20 A 0 1 or 2 4 External Slot 1

21 B 1 1 or 2 5 External Slot 2

22 C 2 1 or 2 6 External Slot 3

23 D 3 1 or 2 7 External Slot 4

24 E - 1 or 2 8 0 LAN intern ICH4 ID103A

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

1 2 ... 64 65 66 67 68 69

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