[Coco] the amazing memory persistance

[Luis Antoniosi (CoCoDemus)]

Those are MB81464-12 (used in my MSX before the 256 upgrade). I
changed for the M5M4464P (from the coco3 before upgrade) and the coco3
drams take 5 seconds to completely discharge agains +1 minute of the
WSX one.

Using 16K I have no latency at all.

On Sun, Dec 8, 2013 at 10:36 PM, mike delyea <mdelyea at gmail.com> wrote:
> Seems to me that a capacitor has been replaced on the motherboard (or
> substituted), and it is discharging at a much slower rate than specced.
> I've re-capped a couple motherboards and its not too difficult (if you have
> a solder sucker/wick).  Unfortunately, I don't have a list of the
> components for a coco, let alone a "peritonel" coco.  Maybe someone else on
> the list has this info that you can caps against.
>
>
> On Sun, Dec 8, 2013 at 8:18 PM, Luis Antoniosi (CoCoDemus) <
> retrocanada76 at gmail.com> wrote:
>
>> in case you don't believe me:
>>
>> http://www.youtube.com/watch?v=vno_T2-FP2E
>>
>> what can i do to solve this ? Put a resistors some place?
>>
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>>
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>
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