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Old 18 May 2019, 12:46   #1
amigakit.com
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A500 512kb memory ram trapdoor expansion new from amiga kit

A500™ 512Kb RAM trapdoor memory expansion. - new revision available



This high quality, low cost memory expansion doubles your Commodore Amiga 500 computer's memory. Extra memory is essential for many games which require 1MB of RAM to work.

System RAM will be increased from the standard 0.5MB (512kb) to 1MB (1 megabyte).

Installation is straight forward process: simply slot the A500™ memory expansion into the trapdoor slot. The trapdoor bay is covered by a small plastic door underneath the Commodore Amiga 500 computer which can be easily levered open. There is no need to unscrew, open or disassemble your computer.

Memory expansion features Real Time Clock header to install optional Real Time Clock module: available installed at special price below or available separately here.

Features:
0.5MB RAM to boost total system memory to 1MB
Memory auto configures with no drivers required
Header for optional Real Time Clock module: available installed at special price
LK1 jumper on board: used for enabling 1MB Chip RAM modifications (Agnus 8372 or higher required).
Two-page colour manual included

Commodore Amiga 500 Plus users: we have produced a separate 1MB memory expansion available here

Important note about inferior third-party expansions: our A500™ Memory Expansion features resistor arrays on board to limit the rising/falling edge of some high speed signals. Without these noise can be introduced and result in memory working unreliably. Unlike our tried-and-tested design, some third-party budget boards cut costs and do not feature the resistor arrays which can lead to memory reliability issues.

Revision 2, updated from our original 2007 product design. Fully tested on revision 5 and 6A motherboards.

This product is manufactured by Amiga Kit offering high quality upgrades for your Amiga computer at good value, low prices. Copyright 2007-2019 AmigaKit Ltd.

Direct Product Link:
A500 512K Memory RAM Expansion for Commodore Amiga 500


Last edited by amigakit.com; 02 January 2020 at 12:24.
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Old 18 May 2019, 13:11   #2
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At this price. Getting an older card makes no sense!

Does AmigaKit do additional discount for forum users?
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Old 18 May 2019, 13:28   #3
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Hi

Thanks for the warm words.

We have made the price as low as possible. Note the further discount on a Real Time Clock when bought with this card.

We are producing hardware at affordable prices to ensure we can enjoy our hobbies. We have noticed recently a big increase in part time resellers overcharging on Ebay and their stores for hardware.
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Old 18 May 2019, 13:32   #4
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The board on 1MB seems to suggest it can be used on A500 at 512K yet description states only for A500 Plus?
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Old 18 May 2019, 15:22   #5
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Awesome.....I love Amikit...very good service....Keep up the good work.
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Old 18 May 2019, 16:44   #6
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Thanks Mark! We keep working on new Amiga projects because of your longstanding custom and other regular customers.

@lesta_smsc

There are two versions:

A500 0.5MB version (1x RAM chip on the board):
https://amigakit.amiga.store/product...roducts_id=767

A500 Plus 1MB version (2x RAM chip on the board):
https://amigakit.amiga.store/product...roducts_id=502

You probably notice that both versions share the same PCB.
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Old 18 May 2019, 17:49   #7
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Quote:
Originally Posted by amigakit.com View Post
Thanks Mark! We keep working on new Amiga projects because of your longstanding custom and other regular customers.

@lesta_smsc

There are two versions:

A500 0.5MB version (1x RAM chip on the board):
https://amigakit.amiga.store/product...roducts_id=767

A500 Plus 1MB version (2x RAM chip on the board):
https://amigakit.amiga.store/product...roducts_id=502

You probably notice that both versions share the same PCB.
I wish the 1.5mb version would work in a A500 so i could have 2mb chip...with mods....Fat Agnus would it work...?
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Old 25 May 2019, 16:09   #8
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Mark,

Unfortunately only Rev 8 boards (A500 Plus) can have 2MB Chip.
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Old 02 January 2020, 12:24   #9
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Important note about inferior third-party expansions: our A500™ Memory Expansion features resistor arrays on board to limit the rising/falling edge of some high speed signals. Without these noise can be introduced and result in memory working unreliably. Unlike our tried-and-tested design, some third-party budget boards cut costs and do not feature the resistor arrays which can lead to memory reliability issues.
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