General Description 2-357. Upon completion of POST, the password entry screen appears prior to OS startup.The password entry screen will appear after the normal termination of POST only if youhave set a password in the BIOS setup utility “SETUP.”You can enter a password up to three times. If you enter an incorrect password three times,the startup will be unsuccessful. In this case, turn off the power and then turn it on againafter waiting 30 seconds to boot the server.IMPORTANT:Do not set a password before installing the OS.8. Upon completion of POST, the OS will start up.Behavior at Occurrence of ErrorIf POST or OS startup does not finish normally, the server will reboot itself automatically.At the time of reboot, it will select the other CPU/IO module and run POST or OS startup.In this manner, the server retries POST or OS startup with different combinations of CPU/IOmodules. If POST does not finish normally with any combinations, the server will stop with thestate of DC OFF or Post end with an error message displayed.While performing retries, the server displays or registers the error types.For details of error messages, see Chapter 7 “Troubleshooting.”POST Error MessagesWhen the server detects an error during POST, it will notify you of the occurrence in the followingmanners: Displays an error message on the display unit. Makes a beeping sound.These notification methods are described in “POST Error Messages” (Page 7-4).IMPORTANT:Before you contact your sales agent, write down the error messages and patterns of the beepingsound. They will serve as helpful information at the time of maintenance.CPU/IO Module StatusThe CPU/IO module (#0 or #1) started first is managed as primary, and the module started later ismanaged as secondary. If one CPU/IO module is disconnected because of the failure and others, theother module becomes primary.
