Anyone remember CompuLab Trim-Slice? I had one in early 2010's. It ran so hot, I used it as a coaster to keep my coffee warm; it had the perfect shape for it too.
On Tue, Oct 6, 2026 at 12:58 PM ron minnich <[email protected]> wrote: > > you'd be surprised how hot you can make those old CPUs, from that generation. > I used to use a simple test, but an ice cube on it and see how long it takes > to melt. > > "low power" CPUs like the AMD Geode would melt ice cubes quickly, and get too > hot to touch. These were the CPUs used in the OLPC laptop. > > It just being a PI 1B doesn't really tell you anything about power and heat. > It's not about belief, it's about measurement. > > On Mon, Oct 5, 2026 at 2:49 PM <[email protected]> wrote: >> >> On Monday, October 05, 2026, at 12:27 PM, Ron Minnich wrote: >> >> the other possibility: plan 9 may not be good at power management on your >> device, and, possibly, your card got hot. We saw this on a risc-v board, >> where the system got so hot it had to be left to cool for 30m before it >> could boot. >> >> Can you monitor power supply voltage, to see if you are browning out? Can >> you see if the system is getting hot? >> >> This is a raspberry-pi 1 B, with basically no load on it. I find it >> difficult to believe that if this was the case, the problem wouldn't have >> been detected by whoever ported the os to the device. Or another ordinary >> user later. You'd want to spend at least a little bit of time, probably a >> lot, checking that everything worked as expected. >> >> I can do this monitoring, but I'll have to figure out how to first. Keep in >> mind that I've been using the device regularly since then, and the problem >> hasn't re-appeared, so I wouldn't get your hopes up. > > 9fans / 9fans / see discussions + participants + delivery options Permalink ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tc322db746dabdc8f-Mcae1997a92feaecd1c2aea1a Delivery options: https://9fans.topicbox.com/groups/9fans/subscription
