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Cable Connections
System board connectors are color-coded to make it easier to find the proper connection.
Connector Name Connector Color Description
ATX_POWER white Power supply, 24-pin
ATX_CPU white Power supply, 4-pin
SYS_FAN (HP Pro
3400/3405/3410/3500)
SYS_FAN1 (HP Pro 3505,
3515)
brown Chassis fan
CPU_FAN (HP Pro
3400/3405/3500)
CPU_FAN1 (HP Pro 3410,
3515)
white Heat sink fan
INT_SPKR white Speaker (HP Pro 3500/3400/3405
only)
F_PANEL black Power switch
F_AUDIO yellow Front I/O audio
CARD_READER black HP Pro 3505: Media card reader
F_USB1 white HP Pro 3400/3410/3500/3505: Media
card reader
HP Pro 3405: Front I/O USB
F_USB2 white HP Pro 3400/3410/3500/3505/3515:
Front I/O USB
HP Pro 3405: Media card reader
F_USB3 white HP Pro 3400/3410: Front I/O USB
HP Pro 3515: Media card reader
F_USB4 white HP Pro 3405:Front I/O USB
F_USB30_1 Blue HP Pro 3515: Internal USB 3.0
connector
SATA0 dark blue Primary hard drive
SATA1 white Primary optical drive
SATA2 light blue Second hard drive
SATA3 orange Second optical drive
Cable Management 63