User`s manual

Hardware Setup
MS-7640
Chapter 2
2-25
Hardware Setup
MS-7640
Chapter 2
Please refer to the table below to nstall the graphcs cards for CrossFreX
TM
mode.
1 graphcs card
(non-
CrossFreX
TM
)
2 graphcs cards
(CrossFreX
TM
mode )
3 graphcs cards
(CrossFreX
TM
mode )
4 graphcs cards
(CrossFreX
TM
mode )
PCI_E1 x16 @ x16 @ x16 @ x8 @ x8 @
PCI_E3 x0 x0 x0 x8 @ x8 @
PCI_E4 x4 x4 x4 x4 x4
PCI_E5 x16 x16 @ x8 @ x16 @ x8 @
PCI_E6 x0 x0 x8 @ x0 x8 @
@ : graphcs card nstalled slot
PCI (Perpheral Component Interconnect) Slot
The PCI slot supports LAN card, SCSI card, USB card, and other add-on cards that
comply wth PCI speccatons.
32-bt PCI Slot
Important
When addng or removng expanson cards, make sure that you unplug the power sup-
ply rst. Meanwhle, read the documentaton for the expanson card to congure any
necessary hardware or software settngs for the expanson card, such as jumpers,
swtches or BIOS conguraton.
PCI Interrupt Request Routng
The IRQ, acronym of nterrupt request lne and pronounced I-R-Q, are hardware lnes
over whch devces can send nterrupt sgnals to the mcroprocessor. The PCI IRQ pns
are typcally connected to the PCI bus pns as follows:
Order1 Order2 Order3 Order4
PCI Slot1 INT E# INT F# INT G# INT H#