Can you install two different sizes of RAM 1GB and 512M Tags: Configuration Mercury RAM Windows 7 Last response: September 4, 2011 8:41 AM in Windows 7 Share satish_tank2000 September 4, 2011 7:13:00 AM i have mercury mobo with 3 slot (Mainboard PI 865GM) can i use different sizes of RAM ? (1GB & 512M) More about : install sizes ram 1gb 512m Reply to satish_tank2000 4745454b a b $ Windows 7 September 4, 2011 7:29:06 AM Yes you can. Reply to 4745454b Archean September 4, 2011 8:12:07 AM As long as the specs are same i.e. timings/voltage settings. Reply to Archean Can't find your answer ? Ask ! Get the answer myowaiwin September 4, 2011 8:41:19 AM yes u can, even u can use without the same timing, u can use two different model but they may not show their full capacity. eg, 1gb + 512 mb ==> total 1gb <512mb + 512mb> (they system can't use full 1 gb stick, so i can only recognize as 512 mb stick) Reply to myowaiwin Ask the community Post an answer Related resources : Forum1gb DDR only reads as 512m ForumWhat are the standard install sizes for different versions of win 7 ForumASUS ATI 4870 512M VS ASUS ATI 4870 1G Forum[ Install ] Having two sets of memory with different CAS ForumMemory has different value in two PCs? ForumInstalling different size ram ForumPC2-6400 VS PC2-5300 Different Slot Sizes ? ForumMixing RAM of Different Latency & Size ForumMix RAM sizes and type ForumDifferent size of rams in two slots ForumTwo sizes on one harddrive ForumMix two brands/ sizes of RAM ForumDifferent size ram sticks ForumSystem for editing HD in Adobe Premiere ForumDifferent Size DDR2 RAM Modules? ForumPhenom II X4 940 and HD4870 512M lags in Crysis ? ForumRAM Size Question... Different Pairs Together? ForumWindow 7 ultimate hp product key ForumPhysx unsuccessful install, now chaos. ForumHytech 5520 install More resources Read discussions in other Windows 7 categories Configuration Customization Drivers Security Laptops !