Technical Overview: Dell XPS 730/730X Service Manualfile:///C|/Users/santhosh_v/Desktop/7/SM_en/technica.htm[9/5/2013 11:46:25 AM]Dell XPS 730X1 CPU socket 2 system board CPU fan header3 DIMMs 1, 3, and 5 4 ATX power connector (ATX_PWR)5 IDE connector (IDE) 6 SATA port 4 (SATA 4)7 battery socket 8 SATA ports 1-3 (SATA 1-3)9 internal USB header 1 (USB) 10 internal USB header 2 (USB)11 internal USB header 3 (USB) 12 1394 header13 PCI slot 1 (PCI SLOT 1) 14 front panel audio header (FP Audio)15 PCIe slot 5 (PCI_E5) 16 PCIe slot 4 (PCI_E4)17 PCIe slot 3 (PCI_E3) 18 PCIe slot 2 (PCI_E2)19 PCIe slot 1 (PCI_E1) 20 CPU power headerMaster Control Board