Dell XPS 730 H2C (Late 2008) - Manual (Page 48)

Dell XPS 730X
1 CPU socket 2 system board CPU fan header
3 DIMMs 0 and 1 (DIMM 0-1) 4 DIMMs 2 and 3 (DIMM 2-3)
5 ATX power connector
(ATX_PWR) 6 IDE connector (IDE)
7 SATA ports 3-6 (SATA 3-6) 8 floppy header (FLOPPY)
9 BIOS debug codes (PORT 80
DECODER) 10 SATA ports 1-2 (SATA 1-2)
11 font panel connector (FRONT
PNL)
12 serial port header (SERIAL PORT)-
unused
13 reset CMOS jumper (RESET
CMOS)
14 internal USB header 1 (USB)
15 internal USB header 2 (USB) 16 1394 header
17 battery socket 18 power button (POWER)
19 reset button (RESET) 20 front panel audio header (FP Audio)
21 PCI slot 1 (PCI SLOT 1) 22 PCIe x16 (Generation 2) slot 2
(PCIe x16_2)
23 PCI slot 2 (PCI SLOT 2) 24 PCIe x16 (Generation 1) slot 3
(PCIe x16_3)
25 PCIe x1 slot (PCIe x1) 26 PCIe x16 (Generation 2) slot 1
(PCIe x16_1)
27 PCIe x1 slot (PCIe x1) 28 internal eSATA header
29 CPU power header