Acer AB460 F1 - Manual (Page 606)

Appendix A: Troubleshooting 586
Press <F2> to enter Setup Optional message displayed during POST. Can
be turned off in Setup.
PS/2 Mouse: PS/2 mouse identified.
Run the I2O Configuration
Utility One or more unclaimed block storage devices
have the Configuration Request bit set in the
LCT. Run an I2O Configuration Utility (e.g. the
SAC utility).
System BIOS shadowed System BIOS copied to shadow RAM.
UMB upper limit segment
address:
nnnn
Displays the address nnnn of the upper limit of
Upper Memory Blocks , indicating released
segments of the BIOS which can be reclaimed by
a virtual memory manager.
Video BIOS shadowed Video BIOS successfully copied to shadow RAM.
BIOS Message Description