1.
PCI connector
2.
PCIe x1 connector
3.
PCIe x16 connector
4.
PCIe x1 connector
5.
P2 power connector
6.
processor socket
7.
CPU fan connector
8.
memory connectors
9.
P1 power connector
10.
card reader module connector
24
11.
real-time clock reset jumper
12.
password reset jumper
13.
front USB connector
14.
SATA connectors
15.
front LED connector
16.
system fan connector
17.
SATA connectors
18.
coin-cell battery
19.
front audio connector