1
fan connector (FAN)
2
processor connector (CPU)
3
power connector (12VPOWER)
4
memory module connectors (DIMM1, DIMM2, DIMM3, DIMM4)
serial ATA drive 0 and 2 connectors
5
(SATA0, SATA2)
6
front-panel connector (FRONT PANEL)
7
CD drive analog audio cable connector for optional analog audio cable (CD_IN) 17 floppy drive connector (FLOPPY)
8
power connector (POWER)
9
CD/DVD drive connector (IDE)
10 RTC reset jumper (RTCRST)
Small Mini-Tower System Board
11 intrusion switch connector (INTRUDER)
12 password jumper (PSWD)
13 PCI Express x16 connector (PEG)
14 PCI riser connector (PCI1)
15 PCI connector (PCI3)
16 serial connector (SER_PS2)
18 battery socket (BATTERY)
19 internal speaker (SPEAKER)
20 external speaker connector (EXT_SPKR)