It can be burned on a Mac, yes.
Download
RC.ISO and save it somewhere you can find it.
Download
MagicISO and install it.
Start MagicISO. When it asks you to register, just close that window...the
program should remain open. Click on "File" and then on "Open"...navigate to the RC.ISO file you downloaded, select it, and click "Open".
Click "File" on the toolbar and choose "Save As". Name the file
RCplus and save it somewhere you can find it.
Put a blank CD-R disk in your CD burner and close the tray...when the AutoPlay window opens, close it.
Click "Tools" on the toolbar and choose "Burn CD/DVD with ISO". In the CD/DVD Image file area, click the little folder, navigate to the newly created
RCplus.iso image file, and click "Open". In the CD/DVD Writing Speed
drop-down menu, choose the top 8X setting. Format should have "Mode 1"
selected...if not, select it. Click on the "Burn It!" button.
Once this disk is burned, put it in the machine you're working on and restart. Boot to the CD and enter the Recovery Console.
When there, do this:
type in "
fixmbr" and hit Enter.
Type '
y' if asked to, and allow it to do it's job.
Once it's done that and shows the next bit for another command, type "
exit"
This will reboot your machine again, allow it to boot normally this time.