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I got myself an Intel 80286 based PC. It has 40Mb hard drive installed. What is the maximum hard drive capacity that this PC can handle?

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Depends on which OS you install. – r0ca Feb 2 '11 at 21:38
why! I hope you aren't using that for anything serious.. – Billy ONeal Feb 2 '11 at 21:55
I once installed Vista on a 80286 with a 40mb hdd, and it run like lightning. – squarebear Aug 2 '11 at 11:46
@Shutupsquare: Lol. Beginning with Vista, ACPI is a requirement. No 80286 PC ever had ACPI, 40MB hard drive (which wouldn't even begin to hold 1% of Vista's files) and lack of MFM/RLL/ESDI drive support aside. – LawrenceC Apr 13 '14 at 14:13
up vote 7 down vote accepted

Hard to say exactly because the limit is partly BIOS based, but 504MB is a likely candidate.

Good article about the limits here:

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