Post Beep Code Descriptions - IBM eServer 342 xSeries Installation Manual

POST beep code descriptions

POST emits one beep to signal successful completion. If POST detects a problem
during startup, other beep codes might occur. You can use the following beep code
descriptions to help identify and resolve problems that are detected during startup.
Note: Refer to the "Solving Problems" section in the User's Reference on the
Beep code
No beep Call for service.
Continuous If no video appears, the startup microprocessor failed. Verify that the startup microprocessor is
installed correctly. If it is, replace the startup microprocessor. If the problem persists, call for
service.
One short POST completed successfully. One beep also occurs after POST if you enter an incorrect
password.
Two short Follow the instructions that appear on the screen.
Three short POST detected a system memory error. Verify that the memory is installed correctly. If it is,
replace the failing memory module.
Attention: In some memory configurations, the 3-3-3 beep code might sound during POST
followed by a blank display screen. If this occurs and the Boot Fail Count feature in the Start
Options of the Configuration/Setup Utility is set to Enabled (its default setting), you must restart
the server three times to force the system BIOS code to reset the memory connector or bank of
connectors from Disabled to Enabled.
Repeating short The system board might contain a failing component.
1.
2.
3.
One long and one If the video controller on the system board is being used, call for service. If you installed an
short optional video adapter, replace the failing adapter
One long and two A video I/O adapter ROM is not readable, or the video subsystem is defective. If you installed
short an optional video adapter, replace the failing adapter. If the problem remains, call for service.
One long and three The system-board video subsystem has not detected a monitor connection to the server.
short Ensure that the monitor is connected to the server. If the problem persists, replace the monitor.
Two long and two POST does not support the optional video adapter. Replace the optional video adapter with one
short that is supported by the server or use the integrated video controller. See the ServerProven list
on the web at www.ibm.com/pc/compat.
All other beep codes 1.
2.
Table 2. POST beep code descriptions.
32
IBM xSeries 342: Installation Guide
xSeries Documentation CD for more detailed information about the POST
beep codes.
Descriptions of the POST beep codes
Verify that the keyboard and pointing devices are connected properly.
Ensure that nothing is resting on the keyboard.
Disconnect the pointing device; then, restart the server. If the problem goes away, replace
the pointing device. If the problem remains, call for service.
Verify that the system memory modules are installed correctly.
Tun off the server; then, restart the server. If the problem remains, call for service.