Re: Reloaded Mk-II compatibility

From: silverdr_at_wfmh.org.pl
Date: Mon, 28 May 2018 20:51:59 +0200
Message-Id: <0E40380C-871C-4344-8C03-0EC05F416F98@wfmh.org.pl>
> On 2018-05-28, at 14:28, groepaz@gmx.net wrote:
> 
> Am Montag, 28. Mai 2018, 14:21:38 CEST schrieb smf:
>> On 28/05/2018 11:44, groepaz@gmx.net wrote:
>>> yes, and it does. the problem with that "wimodem" is that it draws
>>> excessive power in pulses, which the PLL used for the 8701 replacement
>>> doesnt like (the same problem exists on C64s that just use that PLL
>>> replacement).
>> 
>> Are there any untouched c64 that are affected, or just those that have
>> had http://wiki.icomp.de/wiki/CSG8701-replacement fitted?
> 
> like said before, the problems also exists on regular C64s, but its much less 
> visible (the original circuit is more tolerant to spikes on the 5V rail)

Interesting. Due to VCO? And the original clock circuit with discrete elements? There was AFAIR also a kind of PLL involved. Do those exhibit the same problem?

-- 
SD! - http://e4aws.silverdr.com/
Received on 2018-05-28 21:00:03

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