2-16 General DescriptionPOST Execution FlowThe following describes the progress of POST in the chronological order.IMPORTANT: Do not make key entries or perform mouse operations while POSTis in progress. Some system configurations may display the message "Press AnyKey" to prompt a key entry. This message is driven by BIOS of aninstalled optional board. Make sure to read the manual that comeswith the optional board before any key entry. Powering on the workstation, after you installed or removed anoptional PCI board or moved it to another slot, may display themessage that indicates incorrect board configuration and suspendPOST.In such a case, press F1 to continue POST. Board configuration canbe made using the utility described later.1. After a few seconds from power-on, POST starts checking the memory. The countmessage of the basic and expansion memory appears at top left on the display unit screen.The memory check may takes a few minutes to complete depending on the memory sizeinstalled in your system. Also, it may take approximately one minute for the screendisplay to appear after rebooting the workstation.2. Some messages appear upon completion of the memory check. These messages appear toindicate that the system has detected the CPU, keyboard, and mouse.3. After a few seconds, POST displays the following message prompting you to launch theSETUP, stored in the system memory of the workstation. This message appears at bottomleft on the screen.Launch the BIOS setup utility when you need to change the settings to meet therequirements for the workstation. As long as the above message is not displayed with anerror message, you don't have to launch the utility. (Ignore the message. POST willautomatically proceed.)To launch the SETUP, press F2 while the above message is displayed. See Chapter 4 forsetup and parameters.The workstation automatically restarts POST all over again when you exit the SETUP.4. POST then displays the device information connected to the option board.
