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Old 20 November 2020, 13:36   #1
masteries
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Join Date: Oct 2020
Location: Madrid
Age: 37
Posts: 23
Lightbulb For sale: 1 MB ChipRAM trapdoor memory for Amiga 500 Plus

Greetings,

This board is the adaptation of the previous version in order to carry 1 MB and so the Amiga 500 Plus can get the most out of it.

It has been done using the "Chip Over Chip" technique,



Tested to the extreme, plenty diskette copies have been performed with their consequent verifications using all the space
of RAM of my A500 + with these cards on, they go perfectly. Also, a memory test using Memtest program is passed for each manufactured trapdoor module,

It includes the short-circuit protection resistances and the enable lever


Attention: this model is exclusive to Amiga 500 Plus, the owners of a normal Amiga 500 who are interested
they must acquire a 512 KB model board that is suitable for them and also costs less (I remind you that the 512 KB model costs 21€ compared to 32€ for this).













Memory tests passed to the trapdoor memories,


Memory Test program:




Starting the test with a 1 MB trapdoor installed:




2 MB test:





1MB trapdoor Board images









Board price is 32€ per unit; spanish national tracked shipmet cost 5€ and international tracked shipment cost 7.25 €

Payment via Paypal,

Last edited by masteries; 15 December 2020 at 15:27. Reason: Added images of the 1 MB chip over chip board version
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