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ASUS Z7S WS 2-21
2.5.3 Interrupt assignments
* These IRQs are usually available for ISA or PCI devices.
IRQ Priority Standard function
0 1 System timer
1 2 Keyboard controller
2 –
Re-direct to IRQ#9
3 11 IRQ holder for PCI steering*
4 12 Communications port (COM1)*
5
13 IRQ holder for PCI steering*
6 14 Floppy disk controller
7 15 IRQ holder for PCI steering*
8 3 System CMOS/Real Time Clock
9 4 IRQ holder for PCI steering*
10 5 IRQ holder for PCI steering*
11 6 IRQ holder for PCI steering*
12 7 PS/2 compatible mouse port*
13 8 Numeric data processor
14 9 IRQ holder for PCI steering*
15 10 IRQ holder for PCI steering*
2.5.4. PCI Express x1 MIO slot
This motherboard supports PCI Express x1 audio cards, network cards, SCSI
cards and other cards that comply with the PCI Express specications. This slot
also supports the MIO (Media Input Output) function. Install the bundled audio
card on this slot only, otherwise the audio card may not work properly. Refer to the
gure on the next page for the location of the slot.
2.5.5 PCI Express 2.0 x16 slots (red)
This motherboard has two PCI Express 2.0 x16 slots that support PCI Express
2.0 x16 graphic cards complying with the PCI Express specications. Refer to the
gure on the next page for the location of the slots.
2.5.6 Universal PCI Express x16 slot (white)
This motherboard also supports one Universal PCI Express x16 slot with a
maximum speed of x8 link. The operating frequency of this slot change depending
on the type of PCI Express card you install. Refer to the gure on the next page for
the location of the slot.