Power Supply (PSU) DC Connector Pin Assignments1 white memory module connectors(DIMM_1-2)support memory modules or memorymodule risers14 PCI card slot (SLOT3)NOTE: This slot is notavailable in the dual-graphics configuration2 black memory module connectors(DIMM_3-4)support memory modules only when nomemory riser cards are installed;otherwise these must be left empty15 PCI-Express x16 card slot(SLOT4)3 hard-drive fan connector (FAN_HDD) 16 PCI card slot (SLOT5)4 IDE drive connector (IDE) 17 PCI card slot (SLOT6)5 front I/O panel connector (FRONTPANEL) 18 PCI-Express x8 card slot(SLOT7)6 back LED connector 19 RTC reset jumper (RTCRST)7 FlexBay connector (INT_USB) 20 battery socket (BATTERY)8 main power connector (POWER1) 21 password jumper(PASSWORD)9 SATA connectors (SATA0-5) 22 power connector(POWER2)10 front USB connector (FRNT_USB) 23 floppy drive (DSKT)11 front panel 1394 connector (FP1394) 24 card cage fan connector(FAN_CAGE)12 PCI-Express x1 card slot (SLOT1)NOTE: This slot is not available in thedual-graphics configuration25 primary processor (CPU)13 PCI-Express x16 card slot (SLOT2) 26 processor fan connector(FAN1_CPU)