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Comment by kevsim | Hacker News Reader

I can still vividly remember the day we bought the RAM upgrade for the Amiga 500. Can't recall if it took it from 500K to 1M or 1M to 2M. Had to flip it over and slot it into the bottom of the computer and it was HUGE.

But once it was there, you could play the high RAM version of sim city instead of the low ram version, so life was good. Things were simpler back then.

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If it was an A500, and all you did was slot it in, then it was a 512k upgrade, giving you 1Mb total. If it was an A500+ then it could have been a 1.5Mb upgrade.

Interestingly, modern 512k upgrades for the A500 are tiny now, just the edge connector and a single ram chip.

Yes, I'm an Amiga[1] nerd... :D

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[1] http://www.jaruzel.com/amiga/collection

Definitely just slotted it in! So I must've been working with a massive 1Mb :-)

>If it was an A500+ then it could have been a 1.5Mb upgrade

A500+ came with 1MB chipram onboard, you could get 1MB more via trapdoor, reaching the ECS Agnus 2MB maximum.

Then typically you'd get fastram (exclusive to the cpu, thus cpu can't be stalled by chipset, thus fast) via the left expansion slot.

1.5Mb Upgrades were available for regular A500s. I have one in mine. A500+ Models could have 1mb Chip, 1mb Slow. A500s upgraded to KS1.3 (like mine) could use 0.5Mb Chip, 1.5Mb slow.

I upgraded mine to 3 megabytes. I had the trapdoor expansion, and also a Supra HD and RAM expansion (30 megabyte HD and another 2 megs RAM.) That was actually pretty good for the time (1990.) Most Amiga users were using floppies!

I vividly remember spending $180 for the 512K upgrade for my A500. $180 for 512K!!!

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