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- Max RAM Compaq nc6220

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03-13-2024 01:28 PM
I know the Compaq NC6220 is old. Everywhere when you read about what is the maximum RAM that can be installed in a nc6220 they say 2GB. But they are wrong.
I have tested 1GB, 2GB, and 4GB DDR2 SODIMMs in both of the memory slots. The results show that the max is 3GB RAM.
You can install a 1GB and a 2GB SODIMM and it will boot & run. I have used 3GB for the past 4 years with no RAM issues. Yes, you should install like-sized modules but the extra 1GB RAM outweighs any loss of RAM speed
I have a 2GB module under the keyboard and a 1GB in the back.
If you install two 2GB modules the computer will not POST. Ditto for the 4 GB modules - 1 in any slot and no POST.
I have 4 OSs on the 320GB WD hard drive - PC-DOS 7 Revision 1, Windows 2000 SP4, Windows XP SP3, and Linux Mint 19.3 32bit Cinnamon. I use Linux Mint to browse the net with a current supported browser - FireFox. XP is for games and DOS is for development- WIn2k is for fun.
I did have a 500GB SSD installed but DOS would not boot the SSD so I went back to the 320GB WD hard drive.