16(12) Secondary IDE Connector (40-pin block): IDE2This connector connects to the next set of Master and Slave hard disks. Follow thesame procedure described for the primary IDE connector. You may also configuretwo hard disks to be both Masters using one ribbon cable on the primary IDEconnector and another 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 asthe “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-ROM drive on the same IDE channel as a hard disk. Otherwise, the system performanceon this channel may drop.2-6-2 Headers(1) Line-In/Out, MIC Header (9-pin): AUDIOThis header connect to Front Panel Line-In, Line-out, MIC connector with cable.Line-In/Out, MIC HeadersAUDIOPin 1L-IN-LL-OUT-LGNDMICL-IN-RL-OUT-RGNDGNDMICP