Whether or not your motherboard can supply the correct voltage for any Coppermine CPU depends on its revision number. You need a revision 1.1 or later board to support the proper voltage. Newer BIOS will make any board support the Coppermine instruction set, but can't correct the voltage issue.
If you have a version prior to 1.1, you can still use a Coppermine at a higher than standard voltage if you either use an adjustable voltage Slotket or modify a standard Slotket.
I would recommend against the Celeron 1.1 and go straight to the PIII 1000EB. Yes, this does require PC133 SDRAM, but the performance is about 25-30% better.
What's the frequency, Kenneth?