Bun's Lab – Telegram
Bun's Lab
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Electronics projects, vintæg computing, programming and repairs. A minimalist blog of sorts.
@BunsGarden @BunsNook
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Let's have a look at my nas! It's an HP N54L.

There is just one slight problem though. I lost the keys
That did the trick
I've been using it untouched for eons. As a data grave that I only ever power up when I want to access my archives and backups. With all four spinning rust drives running it consumes 40W. With the spindle motors off, this drops to less than 27W.
I broke my little function generator, a Maxcom MX-2020. Used it for sweeping the AM radio and while working on that late at night I accidentally connected it directly to some spicy point in the radio. You want a capacitor in between to block DC voltages, but it fell off the croco cables and I didn't notice. The Maxcom saw about 160V DC at its input. It really didn't like that.
Schematics. The scan I found was pretty bad. I pieced it together in GIMP.
It fried the push pull output stage.