Abit AN9 32X - Manual (Page 23)

Hardware Setup
2.5.3 PCI Express X16 Add-on Slots (Install Graphics Card)
These slots support the connections of graphics cards that comply with PCI Express
specifications. This motherboard provides dual PCI-Express X16 slots for one or two graphics
cards installation:
One PCIE graphics card installation (Normal Mode):
Insert your PCIE graphics card into either
[PCIEXP1] or [PCIEXP2] slot.
Two PCIE graphics cards installation (SLI Mode):
Insert two identical SLI-ready graphics cards
into both PCIEXP1 and PCIEXP2 slots.
※ The NVIDIA SLI technology currently
supports the Windows XP operating
system only.
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