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#1 |
Registered User
Join Date: Apr 2022
Location: Australia
Age: 52
Posts: 935
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GVP Simms for A530 Turbo
I recently acquired a GVP A530 Turbo HDD unit for my A500+ I haven't tested it, I have yet to find a PSU. Opening the case revealed all jumpers correct with Autoboot, MMU and Caches enabled. It has a 1MB GVP ram simm installed. I have a spare GVP 1MB simm to add to make it 2MB but it is out of a GVP TBC+ time base corrector ZII card and has "VIDEO" printed on the back as well as the usual GVP labels. Is it compatible in this case with the A530 Turbo or would it be better to find a standard GVP simm?
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#2 |
Moderator
Join Date: Dec 2010
Location: Wisconsin USA
Age: 61
Posts: 850
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tbtorro sells them on Amibay. Occasionally, they appear on ebay but you probably won't like the price.
You can also source the PCBs and components and make your own GVP SIMMs: https://eab.abime.net/showthread.php?t=86182 P.S. It's really amazing how many times the same questions are repeated on this forum. ![]() |
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#3 | |
Registered User
Join Date: Apr 2022
Location: Australia
Age: 52
Posts: 935
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#4 |
Registered User
Join Date: Mar 2017
Location: Rhode Island / United States
Posts: 207
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A reminder that the memory type is important for GVP SIMM32 modules if you make them yourself. There are chips which support 2K refresh, and 4K refresh. You need the latter 4K refresh type. Check the data sheet to the actual parts carefully. Most RAM put on comon 72-pin SIMMS of the era are 2K refresh type.
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