A Sharp PC-1500A fitted with a ‘Turbo’ switch back in the day. How fast is it?

Video sponsor: PCBWay: $5 for 2 layer PCBs with 24hr turnaround at https://pcbway.com/g/m3hn11

In this video we take a look at a Sharp PC-1500A that was fitted with a ‘TURBO’ switch back in the day. We’ll do a program speed comparison, test it with peripherals and then do a teardown to see how it was modified. Perhaps a modern remake of this classic mod is in order?

Timeline:
00:00 – Welcome
01:43 – Speed test, PI to 20 digits
06:55 – Testing peripherals in Turbo mode (CE-158X and RAM/FLASH card)
15:00 – Teardown, how was it modded?
23:34 – Wrap up? Want a modern version?

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Chiptune Thing No. 3 "Victory" by Steven O’Brien   / stevenobrien  
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Music provided by Music for Creators    • Chiptune Thing No .3 Victory — Steven O’Brien