PE RC 3/ QC Har d war e Ins ta l lati on 143Step 5—Install PERC 3/QCChoose a 3.3 V or 5 V PCI slot and align the PERC 3/QC bus connector tothe slot. Press down gently but firmly to make sure that the card is properlyseated in the slot. The bottom edge of the controller card should be flushwith the slot. Figure 10-5 displays the PCI slots on a motherboard.F i g u r e 1 0 - 5 . P C I S l o t s o n M o t h e r b o a r d