Dell Precision Workstation 450 User Manual page 93

NOTICE: Be careful when opening the computer cover to ensure that you do not accidentally disconnect cables from the system board.
1 floppy drive 5 padlock ring
2 CD/DVD drive 6 microprocessor airflow shroud
3 hard drive 7 system board
4 power supply 8 chassis intrusion switch
Cable Colors
Device Cable Color
Hard drive Blue pull tab
Floppy drive Black pull tab
CD/DVD drive Orange pull tab
I/O panel Yellow pull tab
System Board Components