Kai Robinson's latest activity
-
Kai Robinson replied to the thread Learning to flash chips.Just so you know the SND is not a Programmable device, it's fixed state hardware using logic gates and discrete components. You'll... -
Kai Robinson replied to the thread SE/30 Reloaded Board - First Test.Yep, that's them!
-
Kai Robinson replied to the thread SE/30 Reloaded Board - First Test.Nope - those are the 65C22S's - not the 65C22N's which have an open drain output, designed to replace old NMOS parts like the SE/30...
-
Kai Robinson replied to the thread SE/30 Reloaded Board - First Test.Well, i mean both harvested from an original board AND from sources like UTSource - i'd still not rule out either VIA even if the chips...
-
Kai Robinson replied to the thread SE/30 Reloaded Board - First Test.Ah, this might be the issue. @techknight and @This Does Not Compute had an issue with a reloaded board using harvested VIA's - they're...
-
Kai Robinson replied to the thread SE/30 Reloaded Board - First Test.Are the via chips new, or harvested?
-
Kai Robinson replied to the thread Can new PLCC chips be programmed for the SE/30 ?.If CPU wasn't working you wouldn't be getting a chime, likewise with the GLU - honestly i think it's either RAM MUX/resistor packs...
-
Kai Robinson replied to the thread Can new PLCC chips be programmed for the SE/30 ?.I'd imagine the ROM is fine, given the death chime. When my Iifx went wonky, turned out to be poor oscillator connection and clock signal.
-
Kai Robinson replied to the thread Can new PLCC chips be programmed for the SE/30 ?.Hi Steve - hope you don't mind me undeleting this - it's a valid question that others might find useful to leave up and around. Also...
-
Kai Robinson replied to the thread Budget Oscilloscope Recommendation?.As long as you can see the waveform shape and aren't measuring high clock rates, for basic stuff, that should be OK.