well mostly have this old 486 pc computer up and running dispite one issue. if i don't power it on every day or so i get a
"CMOS battery low" "cmos type mismatch error" its not a fatal issue but it gets annoying haveing to reset my clock and bios all the time (detecting HD, setting up disk drives). now i know the fix may be pretty easy, replace the battery...except i can't find it...anywhere or a spot the battery may go for that matter. no nic-cad, no lithium and no little battery chip that says "Dallas" on it either. the sole thing i can find is a pin to connect an external battery but without knowing the voltage or polarity it is a bit desprate to just hook up a random one and hope for the best

my board is a ELITEGROUP COMPUTER SYSTEMS, INC. UM 486V AIO ver. 2.0

besides this page http://stason.org/TULARC/pc/motherbo...V-AIO-122.html

i can't seem to find any other info on it. anyone happen to have the manual or know where i can dl one for this board?