About Your System 27
CPUs with 
different cache 
sizes detected.
Mismatched processors have 
been installed in the system.
Ensure that all processors 
have the same cache size, 
number of cores and logical 
processors, and power rating. 
Ensure that the processors 
are properly installed. See 
"Processors" on page 107.
CPUs with 
different core 
sizes detected! 
System halted.
CPUs with 
different 
logical 
processors 
detected! System 
halted.
CPUs with 
different power 
rating detected! 
System halted.
Current boot mode 
is set to UEFI. 
Please ensure 
compatible 
bootable media 
is available. 
Use the system 
setup program to 
change the boot 
mode as needed.
The system failed to boot 
because UEFI boot mode is 
enabled in BIOS and the 
boot operating system is 
non-UEFI. 
Ensure that the boot mode is 
set correctly and that the 
proper bootable media is 
available. See "Using the 
System Setup Program and 
UEFI Boot Manager" on 
page 41.
Decreasing 
available 
memory.
Faulty or improperly installed 
memory modules.
Reseat the memory modules. 
See "Troubleshooting 
System Memory" on 
page 137.
Message Causes Corrective Actions
book.book  Page 27  Wednesday, March 3, 2010  10:37 AM