Cable Connections
System board connectors are color-coded to make it easier to find the proper connection.
System Board Connections
System Board Connector Name
Connector Color
Description
ATX1
white
Power supply, 24-pin
JPW1
white
Power supply, 4-pin
FDD1
black
Diskette drive
CPU_FAN1
white
Heat sink fan
SYS_FAN1
red
Chassis fan
JFP1
black
Front power button/LED
FUSB1
white
Front I/O USB
FUSB2
white
Media card reader
JAUD1
yellow
Front I/O audio
DIMM1
DIMM2
blue
blue
Memory slots
PCI1
white
PCI 2.3 full-height slot
PCI_E1
black
PCI Express X16 slot
PCI_E2
black
PCI Express X1 slot
PCI_E3
black
PCI Express X1 slot
U1
silver
Processor
CMOS
black with green cap
Clear CMOS/password header
SATA0
SATA1
SATA2
SATA3
dark blue
white
light blue
orange
SATA drives
BAT1
black
RTC battery
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Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis