EMS Memory: The clever hack for more memory in DOS!
Bits und Bolts
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Welcome to a time before high-speed internet, when the hum of a mechanical hard drive was the sound of pure potential. I grew up during the golden age of PC computing - the era of Windows 3.11, chunky Slot 1 Pentiums, and the game-changing power of Voodoo accelerator cards. Back then, I spent my time poring over PC magazines, dreaming of hardware I couldn't afford. 25 years later, I’m finally building those dream machines. Join me as I explore retro hardware, tackle odd projects, and relive the glory days of DIY computing. Hit subscribe and let’s head back to the '90s! Advertiser Permit Number: 6650298
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Video Description
MS-DOS (probably most DOS flavors) is limited to accessing 1MB of system memory. The base memory is even less at 640K with another 384K reserved for system functions. With a clever hack, MS-DOS can access and additional 32MB! The main driver behind EMS was Lotus who was keen to get as much extra memory as possible to run large spreadsheet applications. ▬▬▬▬ *Affiliate Links* ▬▬▬▬▬▬▬▬▬▬▬▬▬ Visit my website to find affiliate links to most of the tools and products I use 🔸https://bitsundbolts.com/affiliate/ Thank you for your support! ▬▬▬▬ *Support Bits und Bolts* ▬▬▬▬▬▬▬▬▬▬ Patreon: 🔸https://www.patreon.com/BitsUndBolts Bitcoin: bc1q2dvf9flf78lam33qjj9w9xgvfxdgre7g9x3rmw Twitter/X: 🔸https://twitter.com/BitsUndBolts Facebook: 🔸https://www.facebook.com/bitsundbolts Website: 🔸https://bitsundbolts.com/ ▬▬▬▬ *Timestamps* ▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 00:00 Setup with 1MB memory 02:37 8086 preview 04:33 Default memory configuration 07:40 The Elder Scrolls: Arena requires EMS 09:30 How EMS works 11:00 Turbo EMS installation 18:24 Happy days: EMS memory 21:38 Trying TES: Arena with Turbo EMS 27:50 Upgrade to 4MB 31:15 Moving the Page Frame 39:00 Replace Turbo EMS with HIMEM and EMM386 42:10 TES: Arena finally works
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