- Sep 14, 2011
- 2,222
- 1
- 20,510
i built my first computer with an i7-4790 cpu, asus Z97M-Plus mobo, and 2 sticks of G.Skill Ripjaws 1600 MHz ram, 8GB each. Back then i didn't know about making sure to purchase matching set of ram sticks, but have had no issues for the past three years - and all these sticks were on Asus's QVL list.
This past week i bought an additional 2 sticks of the exact same ram, same part #, same latency etc as the original pair and just put them in. But these two sticks are also unmatched. Problem now is DDR3 ram is getting hard to find and so i took a chance as there was only one vendor even showing the original ram's part number available, and nobody showing any 32GB matched sets of DDR3 that were on Asus's QVL
When i go into My Computer properties, it sees them but shows "Installed memory (RAM) 32 GB (16 GB usable).
I go into BIOS and it recognizes all 4 sticks, i ran Intel's Processor Diagnostic tool and it shows 32GB, but if i go into Task Manager, it only sees 16GB with 13GB available, which is what i had before i added the 2 additional 8 GB sticks,
In BIOS, with computer panel off, i hit the ASUS "mem check" button, and it comes back fine. I ran the windows memory test diagnostic and it shows "passed". Also in BIOS, there's a setting to make both sticks in both "channel A and Channel B" available, and that's checked.
any suggestions on how to get the system to recognize and use the two additional sticks of ram or is this a case "you can't get there from here" because of the unmatched sticks?.
This past week i bought an additional 2 sticks of the exact same ram, same part #, same latency etc as the original pair and just put them in. But these two sticks are also unmatched. Problem now is DDR3 ram is getting hard to find and so i took a chance as there was only one vendor even showing the original ram's part number available, and nobody showing any 32GB matched sets of DDR3 that were on Asus's QVL
When i go into My Computer properties, it sees them but shows "Installed memory (RAM) 32 GB (16 GB usable).
I go into BIOS and it recognizes all 4 sticks, i ran Intel's Processor Diagnostic tool and it shows 32GB, but if i go into Task Manager, it only sees 16GB with 13GB available, which is what i had before i added the 2 additional 8 GB sticks,
In BIOS, with computer panel off, i hit the ASUS "mem check" button, and it comes back fine. I ran the windows memory test diagnostic and it shows "passed". Also in BIOS, there's a setting to make both sticks in both "channel A and Channel B" available, and that's checked.
any suggestions on how to get the system to recognize and use the two additional sticks of ram or is this a case "you can't get there from here" because of the unmatched sticks?.
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