If you're working on a specific model, I can tell you if its PRAM battery is or in a holder . Do you know the model of your Macintosh? Are you trying to replace a dead one?
Later Power Macintosh models often require a working PRAM battery to function properly. MACINTOSH PRAM BATTERY
For anyone working with old Macs, the first step is often to "recap" the board and deal with the PRAM battery. If you're working on a specific model, I
While modern computers have straightforward BIOS batteries, the PRAM battery in vintage Macs was often hidden deep in the analog board or soldered, encouraging a "no user-serviceable parts" ethos. However, the community has kept these machines alive by finding modern replacements, like this Keystone Electronics 108 1/2AA Battery Holder. 4. Exceptions to the Rule Later Power Macintosh models often require a working