AMD CPU's biz has gone into a death spiral...
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by ugamazingI have been working to develop a consistent and reliable method/workflow for removing, re-balling, and replacing CPUs on various MacBook Pro models (2015-2020).
I have done OK so far, but there's one detail I need to sort out. I'm hoping someone much more experienced than myself may be able to shed some light:
I am noticing the pulled CPUs (to be re-balled) come off fine, and they "look" fine as well, immediately when I pull them. However, within a few minutes, after cooling, the CPU chips develop a very, very slight curve/bend. It's SO SLIGHT, maybe a 1-2%... -
Hi guys!
I have a Dell Optiplex 760 USFF (Ultra-Small Form-Factor).
It currently only supports Dual-Core CPUs and will halt with an error message, when a QuadCore is installed.
I have seen people running QuadCores in these machines, but the BIOS needs to be modded.
Since I have not found the modded BIOS to download anywhere, I am asking you guys for help:
Could you please add support for QuadCore CPUs (in my case the Core2Quad Q9550) to the BIOS?
I have attached the Dump of my machine.
S/N: SRW2K4J
Reg Model: DCTR...-
Channel: BIOS & Schematic Requests!
09-27-2024, 02:43 AM -
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by ducky29Hello. I mostly do small electronics and tv repairs. I am confident with small bga chips but I never was successful with removing large chips especially cpus. Is it possible to remove them just using a preheater and hot air gun or I need something more advanced like a bga machine with temperature profiles, cooling fans, etc etc.
Any suggestion on aliexpress/ebay are welcomed. I am on a tight budget, max I can do is about 200$. Please anyone with more experience can give me some suggestions?
Thanks in advance.09-23-2024, 03:56 PM -
by GjacksonHi,
I have an NVA-001 Ps4 Pro with long blue light of death, visual inspection looks fine apart from dust and the very dried thermal paste which I cleaned and replaced, I scoped the board around for any shorts on capacitors and there were none, no blown fuses either. Looking under a thermal camera, southbridge gets warm along with APU and phases for the APU. I cannot tell if RAM is too cold? maybe not powered? but RAM chips are all the same temperatures. At this point I removed NOR and enabled UART to diagnose further. The only thing I get from UART is this following message:
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Recently I came across an x570 Aorus Elite where the temperature in bios was reporting -55c, i had checked the CPU_TEMP line connected to the IT8688
In my particular case, the SIC line going to the X570 chipset (PM_SIC) was shorted to ground, so far disconnecting the 0 ohm resistors connecting APU_SID and APU_SIC to the chipset has fixed my -55c issue, it seems like -55c is the fallback reading for CPU_TEMP which is just pulled up to VREF on most gigabyte motherboards
I wanted to post this as even the ever-reliable vlab forum was stumped on this issue
tags:...07-28-2025, 07:26 PM - Loading...
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