antonic901 Posted November 11, 2019 Report Share Posted November 11, 2019 (edited) Hello everyone! I want to perform RAM upgrade on my Xbox but I don't know which RAM I should buy. Here is the picture of the RAM from my Xbox: SAMSUNG K4D263238F-QC50 So my question is which RAM should I buy? I found a couple of RAM chips on ebay and AliExpress but I don't know are they going to work on my Xbox. Here is the list: https://www.aliexpress.com/item/32890729020.html?spm=a2g0s.8937460.0.0.7efb2e0eCU8Qyr https://www.ebay.com/itm/BRAND-NEW-Samsung-K4D263238M-QC50-128M-DDR-SDRAM-1PCS-NEW/123866715285 And, thanks in advance! Edited November 11, 2019 by antonic901 Quote Link to comment Share on other sites More sharing options...
Benur75 Posted November 11, 2019 Report Share Posted November 11, 2019 I prefer this one: https://www.aliexpress.com/item/1906140912.html?spm=a2g0o.detail.1000014.25.66e632cfFQP2LZ&gps-id=pcDetailBottomMoreOtherSeller&scm=1007.13338.128125.0&scm_id=1007.13338.128125.0&scm-url=1007.13338.128125.0&pvid=5487a0b6-ae82-4a31-8626-31c3d3e5c292 bye Quote Link to comment Share on other sites More sharing options...
Benur75 Posted November 11, 2019 Report Share Posted November 11, 2019 Look I have just done a new one with the chips I linked you: bye Quote Link to comment Share on other sites More sharing options...
antonic901 Posted November 13, 2019 Author Report Share Posted November 13, 2019 (edited) Thanks for your answer. I bought RAM chips from site you linked. A will post my results in two months when chips arrive. Edited November 13, 2019 by antonic901 Quote Link to comment Share on other sites More sharing options...
c0tt0nm0ufh Posted November 13, 2019 Report Share Posted November 13, 2019 TY Benur, I've been looking into this as well. Wish N64 freak was still doing the CPU as well Quote Link to comment Share on other sites More sharing options...
Benur75 Posted November 17, 2019 Report Share Posted November 17, 2019 Hello, When you will start, check that are quiet, no coffee, some classes, small Iron tip. Take you Time, and Always check with xblast lite After each module, because your onboard bios will only boot 64 or 128Mb, but not with 81, 97, 112 Mb. If you are not in IND5006.XX onboard, do this first, if you are 1.6 version, flash first xblast OS. If you are in Europe, I Can send you Aladin XBLAST lite, with 1 Mb chip. This is a low cost Aladin xt plus, with a bigger chip and a New CPLD. Bye Quote Link to comment Share on other sites More sharing options...
antonic901 Posted February 20, 2020 Author Report Share Posted February 20, 2020 Finally RAM chips arrived. I have SMD Rework Station, and I want to ask which temperature I should use? I have range from 200C to 450C. Quote Link to comment Share on other sites More sharing options...
SS_Dave Posted February 20, 2020 Report Share Posted February 20, 2020 Hi antonic901 Here it my 50 cents worth. When I do ram upgrades I use a Modchip fitted with Xblast on it as you can then boot a main board without a DVD or Hard drive connected. As you fit each chip boot to the Xblast mod chip and test the ram chip and if it fails go over your work and test again DO NOT fit the next chip until the current chip passes. If you have not used a SMD rework station before you are better off using a soldering iron and DO NOT forget Flux is a better friend than your Wife/Girlfriend/Lover when it comes to soldering 100 pin IC's And if you have not soldered a 100 pin ic before go and find a old PC to practice on 1st Cheers SS Dave Soft modding is like masturbating, It get's the job done but it's nothing like the real thing. 1 Quote Link to comment Share on other sites More sharing options...
bot_1 Posted February 22, 2020 Report Share Posted February 22, 2020 On 2/20/2020 at 10:51 PM, SS_Dave said: Soft modding is like masturbating, It get's the job done but it's nothing like the real thing. lol, i like this quote more than the last one 1 1 Quote Link to comment Share on other sites More sharing options...
XJR9000 Posted March 3, 2021 Report Share Posted March 3, 2021 When doing the 128 mb mod i first place the chips in place the using smd rework hot air i get them tacked down. Then i go over each pin with a soldering iron. then i clean it up by going over them with hot air again to make the solder look nice and clean. Im sure you can get it correct with just the hot air , but so far i have not had luck with that. I need to get better it seems. but that works for me. Quote Link to comment Share on other sites More sharing options...
Baggashite Posted March 23, 2021 Report Share Posted March 23, 2021 I've just removed 4 chips from an old board, to test my hot air thing, and I'm going to have a bash at fitting them to a 1.2, but my eyes have seen better days, so wish me luck! Quote Link to comment Share on other sites More sharing options...
antonic901 Posted April 3, 2021 Author Report Share Posted April 3, 2021 Hello to all. Chips arrived a long time ago, but first try wasnt succesfull and I give up on it. Last few days I had some spare time and I tried it again, and on my luck I made it! So I will first say what was I doing wrong first time. When it comes to soldering iron you don't need some high quality like Hakko, I have used some chinease Baku shit. The key to succesfull upgrade is high quality flux. First time I used sam garbage from eBay. This time I used some high-end flux (bought it in my country for 10$ and it's from Poland) and that makes things a lot easier. Allign chip on board, put flux, on your iron put just a little solder and easily slide through pins. If some pins gets connected just put more flux on that spot, put iron in rosing soldering flux, clean it, and try to remove connection. Sometimes it will need a few attempts, but with patience it will get removed. Now, on internet I see comments that you can mix all types of Samsung chips, but that's not true. I bought chips from AliExpress (you have link in second post of this topic) and they won't work on motherboard V1.0. Chips on my V1.0 were Samsung with last letter being M. Chips from AliExprees are ending with F letter. On V1.6 boards chips are ending with letter F. I have't tried to to remove all chips from my board and put all chips from Ali on it maybe that way F chips will work on V1.0. In the end I bought working Xbox V1.0 for under 5$ (they are really inexpensive in my country) take ram chips from it and put it on my board. Now, I have question for you. Which BIOS do you recommend for Xboxes with 128MBRAM? Xecuter X2.5035 or iND-BiOS.5003? Before this mod I was using EvoX M8+ but after flashin it back from XBlast OS I see that EvoX doesnt support 128MB RAM mod. Quote Link to comment Share on other sites More sharing options...
corona2222 Posted April 3, 2021 Report Share Posted April 3, 2021 what temperature did you use for soldering the ram chips? Quote Link to comment Share on other sites More sharing options...
antonic901 Posted April 3, 2021 Author Report Share Posted April 3, 2021 When soldering chips to motherboard I used 390C. When I was taking chips from motherboard with SMD heat gun I used 370C. Quote Link to comment Share on other sites More sharing options...
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