Appendices 41AppendicesAppendix A: FLASH UpgradesUpgrading the LCMThe LCM FLASH upgrade feature allows you to upgrade your unit with thelatest firmware available. To perform this upgrade, you will need to downloadthe latest FLASH firmware from IBM.To upgrade your firmware, you need the following items:• Computer running a Microsoft Windows operating system• Available serial port (COM port) on the server• Standard serial cable (DB-male) that connects the switch and the server• Firmware upgradeTo upgrade firmware:1. Connect the standard serial cable to a COM port on the server and to theserial connector on the back panel of the LCM. Note which COM port youhave chosen, then turn on the switch.2. Go to http://www.ibm.com/pc/support to access the firmware upgrade file.Once the download is complete, navigate to the drive where you havesaved the firmware upgrade and unzip the file.3. Double-click to run WUpDate.exe.4. In the dialog box that displays, select the desired language and COM port.5. Click Load.ATTENTION : While downloading, do not use your computer for anything else or switchwindows. The download requires constant control of your computer, and switching toanother window may cause the download to time-out. If a time-out occurs, run the WUpDateprogram again.6. Once the firmware is upgraded, the following message displays:Download complete. Click Done to exit the dialog box.7. The switch automatically restarts after the upgrade is completed.Possible error conditionsIf the download does not execute correctly, verify the following:• Verify that the COM port is correct.• Verify that no other program is currently using that COM port.• Verify that no other copies of the WUpdate utility are currently running.• Verify that a straight-through (1-to-1) serial cable is used, not a nullmodem serial cable.• Verify in Advanced Port Settings for the selected COM port that it is usingFIFO buffers and the receive buffer is set to high.