15This connector connects to the next set of Master and Slave hard disks. Follow thesame procedure described for the primary IDE connector. You may also configure twohard disks to be both Masters using one ribbon cable on the primary IDE connector andanother ribbon cable on the secondary IDE connector.Secondary IDE ConnectorPin 1• Two hard disks can be connected to each connector. The first HDD is referred to as the“Master” and the second HDD is referred to as the “Slave”.• For performance issues, we strongly suggest you don’t install a CD-ROM or DVD-ROMdrive on the same IDE channel as a hard disk. Otherwise, the system performance on thischannel may drop.2-6-2 Headers(1) IEE1394A Port Header (9-pin) : 1394A/1394B (For P4X400DAZ only)Note: Orient the read marking on the1394 ribbon cable to pin 1IEE1394A Port Header1394APin 129101394BPin 12910(2) Line-Out/MIC Header for Front Panel (9-pin): AUDIOThis header connect to Front Panel Line-out, MIC connector with cable.Without install the cable, this header default setting is 5-6 short, 9-10 short. When youinstall the cable you have take off these jumpers.