On 10 Mar 2011 at 13:13, Brent Hilpert wrote: > Yes, they (many Macs) did, they are half-AA size, but are rather > expensive and relatively difficult to obtain. Yup, some of the PowerMacs in partitular. Why not just replace it with a coin cell (CR2032s are almost a dime a dozen)? Is the current draw that great? --Chuck