Overheating?

[MacTopus29]

I let my mac 128k run for about 10 minutes and the top vent was a bit hot is that overheating?

 

[Byrd]

No, that’s normal. Heat rises out the top.

 

[Nixontheknight]

I let my mac 128k run for about 10 minutes and the top vent was a bit hot. Is that overheating?

That's normal, as long as it still works. If you're really worried about it, you can buy a Kensington System Saver or equivalent on eBay

 

[joshc]

The 128k never had a fan, so they do run hot. If you’re going to run it for extended periods, fitting a fan of some kind (the most popular being the Kensington one mentioned above) is the way to go.