Van Posted June 12, 2017 Share Posted June 12, 2017 Was thinking if it would be worth the effort to setup 64K BB SRAM. Hiassoft has an 512K RAM extension with backup, and would make sense for a RAM disk. But for just the main RAM would the OS initialize most of it at boot? Yogi Quote Link to comment Share on other sites More sharing options...
+bob1200xl Posted June 14, 2017 Share Posted June 14, 2017 Not too sure what you are doing, but the OS initializes all of the main RAM on a cold boot (power on or forced) and only a small portion on warm boot (press RESET). Bob 1 Quote Link to comment Share on other sites More sharing options...
Van Posted June 14, 2017 Author Share Posted June 14, 2017 Not too sure what you are doing, but the OS initializes all of the main RAM on a cold boot (power on or forced) and only a small portion on warm boot (press RESET). Bob Thanks, was thinking that might be the case. As the XEL uses a 64K SRAM was wondering if it would be worthwhile to add a DS1210. There's also the U1MB and how it handles the system RAM to consider. Will have to dig deeper into the Pros and Cons Yogi Quote Link to comment Share on other sites More sharing options...
+bob1200xl Posted June 14, 2017 Share Posted June 14, 2017 The SRAM in the XEL is not the low current chips that you need for battery back-up. They draw about 10ma in standby - you want 10ua or less. Bob 1 Quote Link to comment Share on other sites More sharing options...
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