Absolutely! Nothing substitutes for "safe computing". It remains a dangerous world out there. The platform you are on helps, but always be aware and be alert!
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Here We Go Again!
- Thread starter mac57mac57
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My new coolant arrived yesterday and I loaded the newly built cooling loop with it today, and installed the overhauled LCS back into its Quad and tested.
There is good news and bad news.
The good news is that for the first time ever (since I have been working with LCSs) the new loop was perfectly tight... no leaks at all. I have learned a few things! 😉
The bad news is that CPU A overheats and the machine checkstops before it can boot anything. I can get Open Firmware to run, but that is all. Even the Boot Picker freezes.
I *think* I know what the issue is - I had real trouble installing the CPU A card onto the LCS, and I suspect that I messed up its cooling performance in the process.
I will remove the CPU A card from the LCS and reinstall it, but not before, out of curiosity, I try running the machine with only the CPU B card physically present in the box. I have demonstrated that Quads will run with only the CPU A card physically present; I am curious if the same is true for the CPU B card.
It will cost me several hours to run this test, but it is worth it, if only for intellectual curiosity! I will report the results back here so that others have this answer too.
More results when I have been able to run these tests.
There is good news and bad news.
The good news is that for the first time ever (since I have been working with LCSs) the new loop was perfectly tight... no leaks at all. I have learned a few things! 😉
The bad news is that CPU A overheats and the machine checkstops before it can boot anything. I can get Open Firmware to run, but that is all. Even the Boot Picker freezes.
I *think* I know what the issue is - I had real trouble installing the CPU A card onto the LCS, and I suspect that I messed up its cooling performance in the process.
I will remove the CPU A card from the LCS and reinstall it, but not before, out of curiosity, I try running the machine with only the CPU B card physically present in the box. I have demonstrated that Quads will run with only the CPU A card physically present; I am curious if the same is true for the CPU B card.
It will cost me several hours to run this test, but it is worth it, if only for intellectual curiosity! I will report the results back here so that others have this answer too.
More results when I have been able to run these tests.