4 May
2016
4 May
'16
5:05 a.m.
On 3 May 2016 at 16:55, Chuck Guzis <cclist at sydex.com> wrote:
I'll retrench and restate that in terms of
"it depends". If your CPU
doesn't support Hardware Virtualization Mode, you're out of luck:
http://www.howtogeek.com/howto/5460/our-look-at-xp-mode-in-windows-7/
16-bit support and hardware virtualisation extensions are 2 totally
separate and orthogonal issues.
Secondly, desktop hypervisors such as VirtualBox and VMware can do
software trapping of Ring 0 instructions on systems lacking hardware
virtualisation extensions, so they will still work and the method I
suggest will still function. I'd expect that performance would drop
15% or so, though.
I suspect that 16-bit code compatibility will remain in x86-64 until
the end of its days, but I could be wrong...
--
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