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    Chipmunk USB Tester

    Chipmunk USB Tester This is a simple but extremely useful tool for anyone repairing computers and laptops. It has 3 lights showing power and USB activity, and it offers a versatile connection to the GND line of the computer. When repairing an Apple laptop it is important to know if the power...
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    MacBook Pro 15" Touch Bar 2018 820-01041 X1190

    Encoded in Flash.
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    NEED APPLE MACBOOK PRO A1398 Conversion Discrete To UMA

    You do the backlight in the GMUX or in software?
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    820-00687-A

    Use Medusa to clean ME, after that it will work.
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    NEED APPLE MACBOOK PRO A1398 Conversion Discrete To UMA

    Including backlight control in High Sierra?
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    820-00687-A

    Much easier with Medusa: http://www.cmizapper.com/products/medusa.html
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    Mac mini Late 2018 639-06830

    Remember that this model of Mac ,ini has the dreaded T2 chip...
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    Mac mini Late 2018 639-06830

    Not possible till now.
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    MacBook Pro 13″ Touch Bar 2018 820-00850-A

    Are you reading by software or straight from the hardware?
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    MacBook Pro 13″ Touch Bar 2018 820-00850-A

    Apple ROM Version BIOS ID: MBA81.88Z.F000.B00.1905142221 Model: MBA81 EFI Version: 220.260.171.0.0 Built by: root@pdb165 Date: Tue May 14 22:21:29 2019
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    MacBook Pro 13″ Touch Bar 2018 820-00850-A

    Looks authentic to me. How did you get it?
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    A1398 - 820-00426-A Schematic boardview and BIOS

    Use 820-00163, it is almost the same.
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    A1398 - 820-00426-A Schematic boardview and BIOS

    '.bin' files are what the BIOS is stored in. So the schematics will never be in a bin file, but the dump from the BIOS ROM will be.
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    NEED APPLE MACBOOK PRO A1398 Conversion Discrete To UMA

    You can use the CMIzapper Tiresias if you want to preserve the backlight control in High Sierra: http://www.cmizapper.com/products/tiresias-gpukiller.html To see how to mount: http://www.cmizapper.com/install/tiresias-820-2915.html Advantages are: Easy to mount. No irreversible changes to the...
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    MacBook Pro 13″ Touch Bar 2018 820-00850-A

    This is the Firmware for the T2 chip, not the BIOS for the Mac.
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    Apple APPLE K91F K91X FLYING_DUTCHMAN 051-8620 820-2915 Macbook Pro A1286

    When testing the CMIzapper Tiresias GPUkiller I ran into one Mac that was running very slow with the fans at full speed,like you describe. In that case, much to my surprise, the problem turned out to be the GPU. I mounted a Tiresias and the Mac is now running normal proving that the cause was...
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    APPLE MAC Conversion Discrete to UMA Pls

    For GPU disable in MacBook Pro 2011 both 15-Inch and 17-Inch models. Here is a Youtube movie to show the new version of the Tiresias that PRESERVES the backlight control in High Sierra:
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    NEED APPLE MACBOOK PRO A1398 Conversion Discrete To UMA

    I am messing up the 820-3330 and the 820-3332... Resolder U8900, or check the GPU VCORE voltage with an oscilloscope. If the GPU really is bad then our CMIzapper Tiresias should work on that model too.
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    NEED APPLE MACBOOK PRO A1398 Conversion Discrete To UMA

    For 820-3330 resolder U9800 first! For 820-2914 or 820-2915 use CMIzapper Tiresias.
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    Samsung Samsung XE303C12 Chromebook XE303 ( BA92-13014B )

    Does anyone have the schematics for this Samsung Chromebook?
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