HP Compaq Evo N1010v Series Service Manual page 122

Message
Press <F1> to resume, <F2>
to Setup, <F3> for previous
Press <F2> to enter Setup
PS/2 Mouse
System BIOS shadowed
UMB upper limit segment
address: nnnn
Video BIOS shadowed
3-30 Troubleshooting and Diagnostics
Description
Displayed after any recoverable error message Press <F1> to start the boot
process or <F2> to enter BIOS Setup and change the settings Press <F3> to
display the previous screen (usually an initialization error of an Option ROM,
such as an add-on card) Write down and follow the information shown on the
screen
Optional message displayed during POST
PS/2 mouse identified
System BIOS copied to shadow RAM
Displays the address nnnn of the upper limit of Upper Memory Blocks (UMB),
indicating released segments of the BIOS that can be reclaimed by a virtual
memory manager
Video BIOS copied to shadow RAM
Service Manual