System board components
1 power-button cable connector
(PWRSW1)
2 drive power-cable connector
(SATAP1)
3 optical-drive data cable
connector (HDD1)
4 primary hard-drive data cable
connector (HDD0)
5 secondary hard-drive data cable
connector (HDD3)
6 hard-drive data cable
connector (HDD2)
7 SATA drive connector (SATAP2) 8 main-power connector (ATX1)
9 coin-cell battery (BT1) 10 CMOS jumper (CMCLR1)
11 password jumper (PWCLR1) 12 PCI-e x16 slot (SLOT2)
13 PCI-e x1 slot (SLOT4) 14 PCI-e x1 slot (SLOT1)
15 chassis-fan cable connector
(FANS1)
16 processor socket
13