Some time ago I was doing the same thing(it worked on some machines), but I was using GRUB4DOS instead of syslinux to generate bootable USB Key (see here http://diddy.boot-land.net/grub4dos/Grub4dos.htm and http://sourceforge.net/projects/grub4dos/files/grubinst/)
2015-01-08 13:14 GMT+02:00 Alexander Rechitskiy <art1st...@yandex.ru>: > Hi > > Please check this > http://www.syslinux.org/wiki/index.php/Hardware_Compatibility#USB_related_problems > > It could help with boot speed issue. > > 08.01.2015, 05:21, "Hermès BÉLUSCA - MAÏTO" <hermes.belu...@sfr.fr>: > > Hi all ! > > > > In this video : > > > https://drive.google.com/file/d/0BzFtJhksW7viRDRVMzluTnFjMlU/view?usp=sharing > > (with strong French accent, sorry :P, and it was my first attempt at > making a video with a camera in one hand while doing the other things with > the other hand ^^), I show an attempt to create a hybrid-USB key by > configuring freeldr to load either a livecd (shown in the video) or a > bootcd in ramdisk. > > > > Many remarks are in order: > > > > - there’s a crash when booting the bootcd image, early in phase 1 boot in > Io (can be reproduced locally on vbox for example, with similar freeldr.ini > parameters that I show in the video). > > - the whole story consists in loading a ramdisk, so I avoid all the > USB-related storage problems we could (and certainly) encounter if I used > the USB key more like as we do for our current livecds, i.e. permanent > reads to the removable device. > > - a ROS livecd that can be removable (in the sense that one can use > another cd to test something, while ROS is still running) should be done > with some kind of hdd image file instead, that is then loaded in memory (so > that we can then read and write to this virtual drive). > > - something weird happens when freeldr loads the livecd iso in memory: > first it takes 7 minutes to just try to open the iso file, and then 7 other > minutes to load the iso proper. This problem needs to be investigated. > > - we still report strange dates when listing files from the livecd (at > least when it is mounted as ramdisk), see the video. > > - finally, when using Standard PC (non-ACPI) HAL, I don’t really think we > reposition HDD heads into “sleep position”, because when I switch PC power > off with the button I can hear the HDD making the noise of the heads > quickly going back to sleep position, whereas I don’t think this should > happen if the heads were being already in the correct position before I > switch power off (when using the “shutdown” command of FreeDOS, the other > OS I have installed in the PC, the noise isn’t produced). > > > > Cheers, > > Hermès. > > > > PS: I keep the right to remove the video at any time if I notice misuses. > And it’s not an official video (even if I was playing around with Windows > Movie Maker with the ReactOS logo during the first seven seconds, and with > the website links at the end) !! > , > > _______________________________________________ > Ros-dev mailing list > Ros-dev@reactos.org > http://www.reactos.org/mailman/listinfo/ros-dev > > > > -- > Best regards, > Alexander Rechitsky aka Jeditobe > > > _______________________________________________ > Ros-dev mailing list > Ros-dev@reactos.org > http://www.reactos.org/mailman/listinfo/ros-dev >
_______________________________________________ Ros-dev mailing list Ros-dev@reactos.org http://www.reactos.org/mailman/listinfo/ros-dev
