I decided to add Ubuntu 20.04 to my trusty old Philips desktop. It was one that Microsoft kindly upgraded to windows 10 when the upgrades were still for free even though I never asked them to as I was happy with windows 7 at the time. Thing was it was running as a 32 bit windows 10 system. So I wasn't sure if it could share a drive with Ubuntu 20.04 as I understand that is a 64 bit OS. So I was in CEX one day and they had a 1.0 terrabyte 3.5" HD at the right price so I bought it. My plan at that stage was to take a chance and reinstall Windows 10 x 64bit on one half of the drive and Ubuntu 20.04 on the other half. Meanwhile my desktop started flashing me messages about a CMOS fault but it did still boot up by pressing F1 OK. So I googled it and all it was the little battery which keeps the time and date etc needed renewed. So I bought a pack of CMOS batteries and took the sides off the desktop to replace it. As I was doing so I noticed there were in fact four SATA connectors on the motherboard. It suddenly struck me that I didn't need to replace the current HDD at all. So I bought a molex to SATA power splitter and a SATA lead. I installed the 1.0 terrabyte hard drive. I fired up my DVD with 20.04 ISO but it was insisting on installing the 20.04 onto my original windows 10 hard drive. I did find the other drive but I didn't understand how to continue so I completely stopped the install at that point. I then reopened the desktop and I unplugged the power and data cables to the windows hard drive and restarted the install. Now the 20.04 install went smoothly onto the larger drive. So I closed down the desktop and reconnected the windows 10 hard drive. I now can swap easily between the two drives by changing the boot order in the bios.
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