Because ZXPand extends the power on reset. Just as my earlier proposed larger reset capacitor does.
See second post in this thread.
Flaky ZX81
Re: Flaky ZX81
In theory, there is no difference between theory and practice. But, in practice, there is.
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Re: Flaky ZX81
I have fitted a 4.7uF capacitor and so far it has switched on fine every time regardless of what is or isn’t plugged in.
Fingers crossed it stays that way. Thanks all!
Fingers crossed it stays that way. Thanks all!
ZX80
ZX81 iss 1 (bugged ROM, kludge fix, normal, rebuilt)
TS 1000 iss 3, ZXPand AY and +, ZX8-CCB, ZX-KDLX & ChromaSCART
Tatung 81 + Wespi
TS 1500 & 2000
Spectrum 16k (iss 1 s/n 862)
Spectrum 48ks plus a DIVMMC future and SPECTRA
ZX81 iss 1 (bugged ROM, kludge fix, normal, rebuilt)
TS 1000 iss 3, ZXPand AY and +, ZX8-CCB, ZX-KDLX & ChromaSCART
Tatung 81 + Wespi
TS 1500 & 2000
Spectrum 16k (iss 1 s/n 862)
Spectrum 48ks plus a DIVMMC future and SPECTRA