I ran 7L5's, 7L13's, and the power hog 7L18 in my 7603.
The same 7L18 sank multiple 7904's.... hard.
The 7L18 ran in a 7904A, though.
-Chuck Harris
PS, thanks to H?kan for the 7904 power supply capacity note.
NigelP wrote:
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I successfully run 7L14s in a 7603 mainframe. I have two of these 7L14 and both are OK. The notable exception of course is the lack of push button illumination on some buttons because the 7603 doesn't have a suitable 5V Lamp supply in-built (you have to add your own circuit into the 7603).
Regards
Nigel G8AYM