2019年1月2日 · The only easy ram upgrades for the 800, if you can find them are the plug in memory modules that came in flavors of 16K, 32K or 48K from Atari and others in combination that max out the 800 to it's original 48K maximum.

2011年2月27日 · One of many clever design aspects of the Atari 800 is how it addresses its RAM. At a time when adding RAM to a microcomputer involved arranging jumper blocks or switches in strange patterns laid out in cryptic instructions, Atari managed to make the task consumer-proof.

6 天之前 · Some people have expressed interest in the GPB (Grecian Personality Board) for the Atari 800 which was released in 2022 by santosp. The GPB includes 48/52K main RAM, 512KB Axlon RAM, 8 OS slots, and an IDE interface for a Compact Flash card, compatible with MyIDE. The GPB simple goes in place of ...

As designed by Atari, RAM management in the 400/800 is accomplished in hardware via the presence of up to three RAM Module boards in the 800, or a single internal RAM board in the 400.

2020年5月20日 · With 4 Megabyte extra RAM / Ramdisk, the PIA is fully used/adressed, so that normally the base RAM at 4000-7FFF is not available any longer. But again, there are tricks and solutions to solve this problem. Installing a second PIA for example makes it possible to adress up to 256 Megabytes of extra RAM / Ramdisk - but who needs so much

2023年7月19日 · Technically, it is possible to give a plain Atari 800 64KiB of RAM, and in fact quite a bit more than that. However it isn’t possible to map 64KiB of RAM into the 6502’s address space on the Atari 800, because as Raffzahn explains, the OS ROM can’t be “unmapped”.

2020年5月19日 · 'AtariMax' 256/512K Rambo upgrade that is fully compatible with the Rambo standard and 'Bits of the Past' has a 256K only Rambo upgrade. Rambo works with 99.9% of extended memory programs and games. Almost everything that uses extended memory uses both the 130XE and Rambo memory standards, I've never had an issue.

The 1056 Board For the Atari 800 easily upgrades your Atari 800 to 48k of base memory plus 1008k of Axlon compatible banked memory for a total of 1056k of RAM. Newer software that uses extended memory, such as SpartaDOS X runs great. Unlike many other memory upgrades, this upgrade requires no soldering and/or tearing your computer apart.

The Atari 800 was positioned as a high-end model and the 400 as more affordable. The 400 has a pressure-sensitive, spillproof membrane keyboard and initially shipped with a non-upgradable 8 KB of RAM. The 800 has a conventional keyboard, a second cartridge slot, and allows easy RAM upgrades to 48K.

2016年12月5日 · All but the earliest 800s came standard with 16K bit DRAM chips, generically called 4116s. My first 800 came with one 16K board and I soon upgraded it to 64K by replacing the 4116s with 4164s as described in the link below. Then I …