Dell Precision T3500 (Early 2009) - Manual (Page 37)

I/O Panel
Dell Precision™ T3500 Service Manual
Removing the I/O Panel
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the computer cover .
3. Raise the hard drive tray .
4. Remove the memory module shroud .
5. Remove the front fan assembly .
6. Disconnect the I/O data cable from the I/O panel.
WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.