Dell XPS 8500 Owner's Manual page 22

1 chassis fan connector
(SYS_FAN 1)
3 processor socket
5 memory module connector
(DIMM3)
7 memory module connector
(DIMM4)
9 main power connector
(PWR1)
mSATA slot (MSATA1)
11
SATA 2.0 (3 Gb/s) drive connector
13
(SATA 3)
15 front panel USB connector
(F_USB2)
17 CMOS reset jumper (RTCRST)
19 front panel USB connector
(F_USB1)
21 front panel USB connector
(F_USB4)
23 PCI-Express x1 card slot
(PCI-EX1_3)
25 PCI-Express x1 card slot
(PCI-EX1_1)
27 Mini-Card slot
(PCIE_MINICARD)
22
Technical Overview
2 power connector (PWR2)
4 processor fan connector
(CPU_FAN)
6 memory module connector
(DIMM1)
8 memory module connector
(DIMM2)
10 password reset jumper (PSWD)
SATA 2.0 (3 Gb/s) drive connector
12
(SATA 2)
front panel USB connector
14
(F_USB3)
16 SATA 3.0 (6 Gb/s) drive connector
(SATA 1)
18 power button connector
(F_PANEL)
20 SATA 3.0 (6 Gb/s) drive connector
(SATA 0)
22 front panel audio connector
(F_AUDIO1)
24 PCI-Express x1 card slot
(PCI-EX1_2)
26 PCI-Express x16 card slot
(PCI-EX16_1)
28 battery socket (BATTERY)