![]() ![]() In the newest version, support for FT232H and Arduino (with a provided sketch) is added. ![]() It is open source, actively maintained and it comes with support for UsbAsp, AVRISP-MKII and CH341A programmers. It has been created by Alexander and it seems to exist since late 2011, being initially developed as an utility for UsbAsp. In this post I'll show you the alternatives.ĪsProgrammer is a graphical interface tool that can read, erase and write serial memory chips. For Windows there is a programming utility that requires a license which is offered only if you buy the programmer from the developer's shop, on Chinese platform Taobao. In spite of this, software tools for CH341A are not very easy to find. They even offer API for programmers who want to build software to talk to CH341A. The manufacturer of CH341A chip offers drivers for all operating systems. CH341A requires a driver and a software tool to operate. The MiniProgrammer has a 16-pin ZIF socket that can hold different types of chips. It is commonly used for programming EEPROM and BIOS chips, as well as debugging serial devices. The CH341A is a USB interface chip that can emulate various communication protocols, such as UART, I2C, SPI, and JTAG. Probably the most used device is the MiniProgrammer. I preparing myself for the procedure, for the case when my “backup bios chip” not delivered on time or doesn't work at all and i didn't received the CH341A programmer yet, but as soon as I get it, I would write about my experience here and I already ask the ebay seller to give me a link for software for the programmer which I bought, becuase i assume that theirs software would some different from what i already saw here and on youtube.Īny suggestions on how to insert the bios chip are welcomed.Program I2C and SPI memory chips with AsProgrammer utility on Windows.ĬH341A serial programmers are cheap and quite popular. In youtube the tech guy they software dissplay insertions of this bios like following:įor me its obvious there some uncertainty how to insert the bios chip, due to this reason I ordered a backup bios chip (already programmed by the bios chip seller). Majority of youtuber tech guys inserted bios chip like followingīut the software which I downloaded from this guide, display the insertion of the chip like following software version 1.30 I watched many tutorial videos in youtube and I confused about the insertion of the bios chip Recently I bought CH341A bios programmer for my 8 pin bios chip from asrock motherboard and I asked you here to clarify some procedures and software setup. Make sure it opens properly and looks correct in any BIOS editing tools you are familiar with too, then you'll know it's OK.Ĭonfusion about usage of the CH341A bios programmer If they're always good files and match then probably OK. Then repeat that a time or two and compare those two verified files, Open that file in hex editor and make sure it's not all FF"s. Verify after reading it should tell you chip and buffer or memory match, then that is possibly a good verified file (not always). If it verified good, then you hit save BIOS. Once you've done that, hit read and when it's done hit verify. Or different than ID too, like BIOS ends in FV sometimes BV works better, but you'll figure that out later if it comes to that. Sometimes you might need to choose less than full ID, Hit detect and if it detects your chip by ID OK, then select that one. Then open software of your choosing to try first, I already try newest version first. Until you get verified and valid backup). If it is all FF's, that's verified invalid blank and you need to use another software version or CHIP ID and try again Run read, then verify, once it says "Chip/Buffer match" then that is verified, click save and then open that file in hex editorĪnd make sure it's valid BIOS and not all FF's. The contents of the files is not the same but it is very similar. You can compare the backup file with the original bios file from manufacturer site, using one hex editor software. Now press "Verify" and wait until the process is finished:Īttention, before continuing with the PART 3, please check the content of the backup file. Press "Read button" and wait until the process is finished: Go to "Auto" and uncheck "Erase" and "Blank check" options: Run CH341A_c.exe from CH341A programm v1.29 folder. Remove CMOS battery from your motherboard. Unzip the downloaded pack and install the ch341a drivers (run CH341PAR.EXE) INSTALL DRIVER, READ, VERIFY, SAVE BACKUP:ĭownload the CH341A tools from URL in original posting (Thanks to Lost_N_BIOS) IS THIS WORTH THE TROUBLE? Sony VGN-SZ18. HP Pavilion Gaming 15 (ak041tx.Ĭrelander DS16 Dual screen BIOS Update f. Maximus 2 Formula Modded BIOS for Xeon X. Need help Selecting BIOS for HP 15-BS192. Hp g72 b52sf advanced settings bios insy. Mod for L14 gen 3 AMD 21C6 to remove WWA. ![]()
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