https://community.hpe.com/t5/operating-system-hp-ux/upgrading-memory/m-p/2825003#M87410 Actually 10.20 will only address up to 3.75 GB, or is it 3.8? Anyway, it's just under 4Gb, so you will actually have a tiny bit of wasted memory.<BR /><BR />However, you should probably consider upgrading to 11.x anyway - 10.20 will no longer be supported as of next June.<BR /><BR />Pete Mon, 14 Oct 2002 09:15:53 GMT Pete Randall 2002-10-14T09:15:53Z https://community.hpe.com/t5/operating-system-hp-ux/upgrading-memory/m-p/2825001#M87408 I have just been told if I upgrade my memory on my k580 (running 10.20) to 4gb I will need to install version 11..Is this a true statement ?!!? Mon, 14 Oct 2002 08:55:06 GMT https://community.hpe.com/t5/operating-system-hp-ux/upgrading-memory/m-p/2825001#M87408 Kevin_107 2002-10-14T08:55:06Z https://community.hpe.com/t5/operating-system-hp-ux/upgrading-memory/m-p/2825002#M87409 hi,<BR /><BR />this is not problem you can have 4Gb memory without running hpux 11.00<BR /><BR />Emmanuelle Mon, 14 Oct 2002 09:10:03 GMT https://community.hpe.com/t5/operating-system-hp-ux/upgrading-memory/m-p/2825002#M87409 Emmanuelle 2002-10-14T09:10:03Z https://community.hpe.com/t5/operating-system-hp-ux/upgrading-memory/m-p/2825003#M87410 Actually 10.20 will only address up to 3.75 GB, or is it 3.8? Anyway, it's just under 4Gb, so you will actually have a tiny bit of wasted memory.<BR /><BR />However, you should probably consider upgrading to 11.x anyway - 10.20 will no longer be supported as of next June.<BR /><BR />Pete Mon, 14 Oct 2002 09:15:53 GMT https://community.hpe.com/t5/operating-system-hp-ux/upgrading-memory/m-p/2825003#M87410 Pete Randall 2002-10-14T09:15:53Z