Author Topic: MultiFace II clone  (Read 29119 times)

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Offline TFM

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Re: MultiFace II clone
« Reply #175 on: 23:14, 05 June 15 »
So does this mean that I have to exchange a chip on my MF II clone?

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Offline talrek

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Re: MultiFace II clone
« Reply #176 on: 18:24, 08 June 15 »
No,
in fact the problem is the supplier sent me 470Kohms instead of 470Ohms SMDs.
It is written so little on the SMD i didn't saw the difference between 4700 and 4703....

First batch has no problem ;-)


Offline TFM

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Re: MultiFace II clone
« Reply #177 on: 18:27, 08 June 15 »
Damn supplier!!! I'm sorry to hear that this makes struggles for you. Thumbs up for your great work.  :)
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Offline skywalky

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Re: MultiFace II clone
« Reply #178 on: 17:00, 10 June 15 »
I want to thank Talrek for your help. Thanks to you I have the MX4 Transtape now. And TotO for the MX4 Template. I make a little batch on a spanish forum. Waiting now for the Multiface II.

Comparing sizes  ;D
« Last Edit: 08:28, 17 June 15 by skywalky »

Offline talrek

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Re: MultiFace II clone
« Reply #179 on: 18:44, 10 June 15 »
That's great you did an amazing job !!!

BTW i received the correct parts, so i started to ship multiface II Yesterday ;-)
« Last Edit: 18:46, 10 June 15 by talrek »

Offline talrek

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Re: MultiFace II clone
« Reply #180 on: 21:28, 16 June 15 »
Today is the day !!!!!!!
I sent the last MF2 clone  8) 8)

No more to send.
I have some more in stock, and then it will be totally over :-)

Offline chinnyhill10

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Re: MultiFace II clone
« Reply #181 on: 13:24, 17 June 15 »
If you don't buy one of the remaining ones, don't start moaning in 6 months time when you are bidding twice the price for a 30 year old untested Multiface 2 on Ebay!
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Offline Gryzor

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Re: MultiFace II clone
« Reply #182 on: 13:31, 17 June 15 »
Yay! I guess I'll have mine in a couple of weeks, tops :)

Offline Bryce

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Re: MultiFace II clone
« Reply #183 on: 14:34, 17 June 15 »
If you don't buy one of the remaining ones, don't start moaning in 6 months time when you are bidding twice the price for a 30 year old untested Multiface 2 on Ebay!

Only twice the price?? I intend putting my original on ebay and getting at least 10 times the price from some rich Spanish collector. (Or if someone here offers me a reasonable price it's gone too :D )

Bryce.

Offline TotO

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Re: MultiFace II clone
« Reply #184 on: 14:42, 17 June 15 »
It is common to find it in the 35€/70€ range. (I bought mine for less, 2 years ago)
By the way, the MX4 version is new, so probably more reliable.
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Offline Bryce

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Re: MultiFace II clone
« Reply #185 on: 15:20, 17 June 15 »
The only thing I've ever seen to be unreliable on real Multifaces were the crap buttons which tend to fall apart, the rest should last forever.

Bryce.

Offline TFM

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Re: MultiFace II clone
« Reply #186 on: 21:06, 17 June 15 »
It is common to find it in the 35€/70€ range. (I bought mine for less, 2 years ago)
By the way, the MX4 version is new, so probably more reliable.


Yeah, a 30 years old EPROM is such a thing, on a bad day and with a bad moon rising...  :o
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Offline dxs

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Re: MultiFace II clone
« Reply #187 on: 22:38, 17 June 15 »
Not to mention that the GAL used in the Multiface repro (or the PAL in the original design) are specified for 20 years data retention. After that, one day, they will be gone.

Offline Bryce

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Re: MultiFace II clone
« Reply #188 on: 22:54, 17 June 15 »
I wouldn't pay any attention to those specs. They are absolute minimum lifespans to cover their ass. In reality they will most likely still be ok after 50 years.

Bryce.

Offline dxs

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Re: MultiFace II clone
« Reply #189 on: 00:04, 18 June 15 »
Yeah well we'll see ;)
Like those game cratridge from the NES era, most of them still have their battery powered memory still working today (25-30 years after or so).

Offline Bryce

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Re: MultiFace II clone
« Reply #190 on: 00:22, 18 June 15 »
I have one of the very first flash chips that came out. I got it around 1988/9 and recorded some data on it. I can still read the data today and it's never been re-written.

Bryce.

Correction: Just found it and the date stamp is 1991. But I can still read it :)
« Last Edit: 00:32, 18 June 15 by Bryce »

Offline TFM

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Re: MultiFace II clone
« Reply #191 on: 00:54, 18 June 15 »
Flash is not EPROM!  ;) [nb]Suppliers give 10 year guarantee for holding data
EPROM-Speicher | elektro-lexikon.de[/nb]
« Last Edit: 20:13, 18 June 15 by TFM »
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Offline mrchip

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Re: MultiFace II clone
« Reply #192 on: 07:02, 18 June 15 »
Should get mine soon then, can't wait woohoo

Offline Apollo

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Re: MultiFace II clone
« Reply #193 on: 07:33, 18 June 15 »
Should get mine soon then, can't wait woohoo

Same here  ;D
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Offline skywalky

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Re: MultiFace II clone
« Reply #194 on: 09:25, 18 June 15 »
Multiface II is coming!  ;D

Offline Bryce

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Re: MultiFace II clone
« Reply #195 on: 10:43, 18 June 15 »
Flash is not EPROM!  ;)

Correct. EPROMs hold their data much longer than flash. I have EPROMs from the 70's that still work fine. Eitherway, he was talking about PALs which are neither flash nor EPROM. The point I was making is that manufacturers state the minimum life expectancy so if they say 20 years, the part could still easily work fine for 50 years or more.

Bryce.
« Last Edit: 10:46, 18 June 15 by Bryce »

Offline The Last Bandit

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Re: MultiFace II clone
« Reply #196 on: 11:11, 18 June 15 »
Received mine a few days ago, works fine :)


Offline TFM

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Re: MultiFace II clone
« Reply #197 on: 20:09, 18 June 15 »
Ok Bryce. I know you have to be right. Shall it be.  8)  Back to topic now... it's good to have a *NEW* MF-II. And it looks great anyway!  :)
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Offline mrchip

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Re: MultiFace II clone
« Reply #198 on: 13:00, 20 June 15 »
Arrived this morning and works perfectly   ;D a really big thank you to Talrek for doing such an awesome job.   :) :) :)             

Offline dxs

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Re: MultiFace II clone
« Reply #199 on: 17:52, 21 June 15 »
Hi there,
Yes indeed Talrek did a great job!


I found today that the MFII doesn't work with the Firmware 3.15, anyone else got the same result? I assume the original MFII would do the same, I didn't dig it out to check however.