Dell OptiPlex 755 - System Board Components; ultra small form factor system board

236 Ultra Small Form Factor Computer
System Board Components
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1 fan connector (FAN_FRONT) 8 password jumper (PSWD)
2 internal speaker connector (INT_SPKR) 9 hard drive fan connector (FAN_HDD)
3 system board speaker (BEEP) 10 clear CMOS jumper (RTCRST)
4 channel B memory connector (DIMM_2) 11 hard drive power connector (SATA_PWR)
5 channel A memory connector (DIMM_1) 12 fan connector (FAN_REAR)
6 SATA data cable connector (SATA0) 13 intrusion switch connector (INTRUDER)
7 battery (BATT) 14 processor (CPU)