[syslinux] difference between memdisk and microsoft ramdisk
H. Peter Anvin
hpa at zytor.com
Fri Jan 19 11:30:51 PST 2007
sandin wrote:
> Noticed that when you try to load an operating system using memdisk, the system sees the total system memory minus what was loaded by memdisk....
>
> But when you boot off a microsoft ramdisk all the system memory is shown....
>
> Does this provide any insight into how one might boot a large ramdisk image and successfully run xp or xpe?
>
The way, btw, to support something like XP would be to write an XP
storage driver for MEMDISK and adding it to the image. It wouldn't be
very hard for someone who has experience writing Microsoft device drives
to do; all you have to do is to find the area in memory and then the
device driver accesses just copy to or from the memory area.
-hpa
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