
Installing the rear system fan...................48
Removing the hard disk drive fan assembly .............49
Installing the hard disk drive fan assembly ..............51
Removing the simple-swap backplate ...............52
Installing the simple-swap backplate ................54
Removing the front-panel assembly ................55
Installing the front-panel assembly .................56
Removing the front USB connector assembly.............56
Removing the rear adapter retention bracket .............57
Installing the rear adapter retention bracket .............58
Removing the front adapter-retention bracket .............58
Installing the front adapter-retention bracket .............59
Installing the front USB connector assembly .............59
Replacing a SATA interposer card and IDE PATA flash module ......59
Replacing a hotswappable idb drive kit ...............60
Removing and replacing FRUs ...................61
Removing a non-hot-swap power supply ..............61
Installing a non-hot-swap power supply ...............64
Removing the microprocessor and fan sink .............65
Installing a microprocessor and fan sink...............67
Removing the system board ...................70
Installing the system board ...................72
Chapter 5. Diagnostics .....................77
Diagnostic tools ........................77
POST ............................77
POST beep codes ......................79
No-beep symptoms ......................81
Error logs ..........................82
POST error codes .......................84
Checkout procedure .......................94
About the checkout procedure ..................94
Performing the checkout procedure ................95
Troubleshooting tables ......................96
General problems .......................96
Hard disk drive problems ....................96
Intermittent problems......................97
Memory problems .......................97
Microprocessor problems ....................98
Monitor or video problems ....................98
Power problems .......................101
Serial port problems .....................102
Software problems ......................103
Universal Serial Bus (USB) port problems .............103
LCD display and control panel problems ..............104
SATA interposer card and IDE PATA flash module problems .......104
Hotswappable idb drive kit problems ...............105
Error LEDs ..........................106
Power-supply LEDs.......................107
Updating (flash-update) the BIOS code on the server ..........109
System-error log messages ....................110
Solving power problems .....................117
Solving Ethernet controller problems ................118
Solving undetermined problems ..................119
Problem determination tips ....................120
iv Lotus Foundations Appliance, Type 9234 CNU and 9234 DNU: Problem Determination and Service Guide