Remove all ram memory modules.
The J3 Clear CMOS Jumper is in the middle of the ram memory compartment.
This is a link to a free Service Manual for the Aspire 5630 series of Notebook PC,
http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-acerGo down to the second 'paragraph' that begins with Satellite 1200.
Go down to the 8th line in this paragraph. (Begins with 5538)
Go across, and left-click on 5630.
This is a PDF file.
It may take up to 30 seconds before the first page comes up.
It may also take additional time to download.
Using the PDF file page number box, go to Page 12, or Page 100.
Both pages are an illustration of the Bottom of the motherboard.
J3 is to the right/middle. (Under the ram memory. DIMM 1 and DIMM 2)
For additional questions please post in a Comment.
Regards,
joecoolvette
(Flat tipped screwdriver that the blade just fits across the contact points. May be a clear cover over these contact points. Peel it back. Make sure it is reused)