Thauzar Posted February 24, 2006 Share Posted February 24, 2006 Hi,I have an old athlon k7 cpu and board, which can be upgraded to use up to 1Gb of ddr 266Mhz. So, I shutdown my machine, remove the old sdram, install the 256 and the 512 sticks of ddr then try to boot.To my surprise: no bios beeps, but also, no bios either. The thing (judging from my cd drives activity) seems to reboot constantly before even the first beep that indicates "hey I'm alive" that's typically heard as the same time bios starts.I tried to search around but can't find a way to formulate my question/problem correctly (I'm francophone).Can anyone help me?More infos: my board does not have jumpers, my bios does not have a function to activate ddr instead of sdram, there is supposed to be automatic detection whether it's sdram or ddr (from manual). Link to comment Share on other sites More sharing options...
nmX.Memnoch Posted February 24, 2006 Share Posted February 24, 2006 What's the make/model of your motherboard? Link to comment Share on other sites More sharing options...
Maleko Posted February 24, 2006 Share Posted February 24, 2006 WHat exactly are you putting in? 2 sticks of 512, and 1 stick of 256? DDR, or mixing with SDRAM?It could be a number of things, incompatible memory, faulkty memory....does the system work with the SDRAM in? Link to comment Share on other sites More sharing options...
Thauzar Posted February 24, 2006 Author Share Posted February 24, 2006 The system is back on, and still works perfect with my old 2x256MB sdram 133No I don't mix sdram with ddr, i removed the 2 sdram sticks and added 2 ddr onesthere is 1x256MB and 1x512MB both ddr 266my mobo is ECS k7s5a. manual does not specify it has been tested for 512mb sticks but I tried them both independently and got the same problem with each.the 256mb one is from unknown brand but on the chips it reads infiniteonthe 512mb one is from advance modulestested both of them separatedly and got the same "unexpected pre-bios reboot" Link to comment Share on other sites More sharing options...
Maleko Posted February 24, 2006 Share Posted February 24, 2006 ooo, my old mohterboard model! heheI never had probs with memory on that board...hhmmm, possibly faulty DDR slots? maybe, i dunno.from what i remmeber it is just plug and pray (play) with ddr on that board, shoudltn have any probs.And the fact that you have the same probs with those sticks individually, says sommit must b up with the board? Link to comment Share on other sites More sharing options...
jago_lfn Posted February 24, 2006 Share Posted February 24, 2006 (edited) Had the same board, same probs. Everything worked like it was supposed to after flashing the bios to hacked cheepo bios @ http://www.ocworkbench.com/2002/ecs/k7s5abios/cheepobios.htmif you dont want to flash maybe the guides there can help you @ http://www.ocworkbench.com/2002/ecs/k7s5aguide/ Edited February 24, 2006 by jago_lfn Link to comment Share on other sites More sharing options...
dirtwarrior Posted February 24, 2006 Share Posted February 24, 2006 (edited) jago_lfnI have the same board. I am interested in the O/C bios. Does it unlock many useful features? I have never upgraded bios before, is there any precautions or special procedures to follow?dirt Edited February 24, 2006 by dirtwarrior Link to comment Share on other sites More sharing options...
jago_lfn Posted February 24, 2006 Share Posted February 24, 2006 @dirtwarrior: It allows you to change the FSB and speeds of the memory. Also allows support for newer cpus. I havent had no problems in flashing to these bioses. It's just like flashing an offical. I'd recommend reading through all the faqs and the forums there before doing anything though. Link to comment Share on other sites More sharing options...
dirtwarrior Posted February 24, 2006 Share Posted February 24, 2006 Does it allow voltage changes. There are several bios to choose from. Which one do you recommend? Link to comment Share on other sites More sharing options...
jago_lfn Posted February 24, 2006 Share Posted February 24, 2006 Does it allow voltage changes. There are several bios to choose from. Which one do you recommend?I belive it does. It's been a long time since i've had my k7s5a but i remember not using the latest version of the bios because it changed the way the pci slots were accessed. If memory recalls I think 0309f was the best version i used. You may not want the bios with fastwrites enabled tho i used it with a radeon 9200 with no problems. It actually helped the preformance of the video card by having it enabled.@Thauzar: you can also try the ram in a different computer and see if it's not just bad sticks. Link to comment Share on other sites More sharing options...
Thauzar Posted February 24, 2006 Author Share Posted February 24, 2006 (edited) great, can't wait to get home, hope I wont scrap my board flashing it like i did with my p2 (flashed p2b-s instead of p2b cause on the box it says p2b series... dumb)so just to be uber sure... the version I need to get is rev 3. not 5. But what's fastwrite?gonna check the other link you posted until it's 5 and it's week end at last! Edited February 24, 2006 by Thauzar Link to comment Share on other sites More sharing options...
dirtwarrior Posted February 25, 2006 Share Posted February 25, 2006 With this board I am running 1024 mb of PC 133. What benitit will I gain moving up to 1024 mb of DDR? Link to comment Share on other sites More sharing options...
Thauzar Posted February 25, 2006 Author Share Posted February 25, 2006 twice the speed? isn't it what Double Data Rate is all about?for my part, i think my board is screwd. it's not even working with both my sdram sticks in now... so I guess it's time for a new pc. Link to comment Share on other sites More sharing options...
jago_lfn Posted February 25, 2006 Share Posted February 25, 2006 great, can't wait to get home, hope I wont scrap my board flashing it like i did with my p2 (flashed p2b-s instead of p2b cause on the box it says p2b series... dumb)so just to be uber sure... the version I need to get is rev 3. not 5. But what's fastwrite?gonna check the other link you posted until it's 5 and it's week end at last! Fastwrites is a faster way of accessing the AGP slot. For alot of people it's problematic but i've found it to be quite stable on that board. I've only used it with a geforce 4 and a radeon 9200 so it might not play well with others. Link to comment Share on other sites More sharing options...
Thauzar Posted February 26, 2006 Author Share Posted February 26, 2006 sometimes i don't even understand computers.after not working with ddr, even if I flashed the bios.after doing bluescreens when I put back my sdramafter not working anymoreafter having only one out of 2 sdram sticks that workafter installing the one that does not work on another computer, and it actually worksafter taking an old 64mb to fill the empty slot in my computer...I'm stuck with a working but crippled 320MB of sdram.... wasn't I suppose to upgrade? Link to comment Share on other sites More sharing options...
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