YouTuber Upgrades Raspberry Pi 4 to 16GB RAM
YouTube maker CrazyDoctor They’re again with one other RAM improve challenge for the Raspberry Pi 4, and this time they’ve elevated our favourite single board laptop (SBC) to 16GB! Good rating.
Just a little over a month in the past, MadEDoctor took the bottom spec Raspberry Pi 4, the 1GB mannequin, and changed the RAM with an 8GB chip. Apparently 8GB wasn’t sufficient for MadEDoctor and so they tried to improve the RAM to 16GB utilizing some severe precision soldering and a few type of donation through a scorching air rework station (like those on our Greatest Soldering Irons web page).
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Blue solder mat, smoke evacuation and loads of Kapton tape to guard different chips on the board. The goal of this RAM swap was the 4GB Micron LPDDR4 chip (D9ZQX) 16GB Micron LPDDR4 (D8CBG). The unique RAM was lined in copious quantities of flux after which 420 levels Celsius scorching air went to work to free the RAM. The RAM chip is held in place utilizing a BGA (Ball Grid Array) and due to this fact warmth must loosen every ball of solder for the chip to break down. As earlier than, MadEDoctor cleans the pads with some lead solder and solder wick. Guaranteeing that every pad is prepared for a substitute chip.
The donated 16GB RAM chip got here with out “solder balls” and so a stencil and leaded solder paste had been used to “reassemble” the chip. With all of the solder balls in place, the chip is able to be soldered on the Raspberry Pi 4.
Will 16GB RAM Work with Raspberry Pi 4?
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Sure and no. Operating Raspberry Pi 4, MadEDoctor reveals that the Raspberry Pi splash display certainly reveals 16GB of RAM. Putting in the 64-bit Raspberry Pi OS micro SD card and rebooting the Raspberry Pi 4 is a special story. The Raspberry Pi reveals the acquainted rainbow display, then stops at a black display. MadEDoctor tried one other OS, RISC OS, and that booted, however solely noticed 4GB of RAM.
MadEDoctor launched this video regardless of its failure, and so they say a follow-up video will come after investigating the problem. We want MadEDoctor good luck with this hack.
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