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Thread: Can you move hiberfil.sys to d: ?

  1. #1
    Maximum Bitrate kpjuk's Avatar
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    Can you move hiberfil.sys to d: ?

    Hi Guys,

    in tryng to speed up the boot times, is it possible to move hiberfil.sys to a CF card other than drive c:. In my testing, I have had XP return from Standby in just under 4 secs. The same configuration from Hibernation takes 11 secs. I have a 512MB CF card, which may be better used to hold the Hiberfil.sys file if this is possible, to try and get the same fast startup times.

    If anyone can do this, this seems to be the forum to fix this !

    help ?........

    kpjuk

  2. #2
    Maximum Bitrate knubile's Avatar
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    It is NOT possible. Don't have the link handy, but I read it on the M$ site.

  3. #3
    FLAC SFiorito's Avatar
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    Like knubile said, no you can't move the hibernation file, but I'm not clear what it is you want to do. Why do you think it'll be faster to move the hibernation file to another CF card? Why not just get a 1GB card rather than two 512MB cards?

  4. #4
    Maximum Bitrate kpjuk's Avatar
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    Thanks guys,

    I have most of the nits now for my Carputer, and was planning on building it with win98SE and 98lite. Putting this onto the 512MB ard worked fine, boot time was down to 9 secs. I didn't realise the potential impact of having constant writes to the CF would have !

    Then I stumbled on the work that you guys were doing, with minlogin ewf and nLite and I thought I would have a play and see what I could do.

    The nLite install gets me down to a size that will fit onto my 512MB CF card, but the boot times are still up at 29 secs, although it may be my install as XP still sees the CF card as removable ! What did impress me though was returning from standby in a 4 sec recovery time. Coming out of hibernation which will be what I need in the car was 11 secs from disk. Now I have a 512MB CF card, I wondered if it was possible to keep the boot from disk, and live with a 29 sec boot, and put the hiberfil.sys on the CF card to see what that will do, also using HORM. Guess its not possible.

    I am stuck now, and need to decide if I stay with XP, with the good support it gives usb drives, which I am sure will get well used in the car, or go back to 98SE, which needs more nurturing, but for the few apps I will be running shouldn't be a problem, or get myself a 1GB card and run the wrath of "she who must not be named" when she sees the credit card bill again !

    decisions decisions !

    I have to say that you guys on this board have provided some really thought provoking stuff on the future for some of these devices. It won't be long before car manufacturers are providing these devices as options for new cars........ Btw do you know anything about connecting to in car Peugeot systems for getting access to the data they use for their trip computer ? cos thats my next challenge !

    cheers guys and keep up the good work.

  5. #5
    FLAC SFiorito's Avatar
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    Hey no prob... I have fun tinkering with this stuff!! Anyways, the boot time really varies depending on your XP config and your hardware. What motherboard+CPU are you running? What CF card do you have? If XP sees it as removable it won't slow things down at all so don't worry about that. The fastest card out now is the SanDisk ExtremeIII, but in my current nLite install I've experienced problems using ACPI (standby and hibernate) with this card. It seems to have something to do with the removable flag as I checked it with my UltraII set as removable and I was able to recreate the problem. So something about XP and a removable boot drive causes it to choke on standby or hibernate. This is a pretty old nLite install so I need to see if I still have problems with a newer installation. In any case, the UltraII and ExtremeI are also good cards. I get 18 second cold boot from BIOS to desktop with a VIA MII 1Ghz CPU with 512MB RAM on an ExtremeIII 1GB card. What services are you running? Try running bootvis to see what processes and drivers are slowing you down (you may need to switch back to winlogon for that). Also, the CF-IDE adapter may cause bottlenecks. I have two different adapters one 2 seconds faster than the other.

    These tweaks are still in the "early" stages and I'm constantly looking for news ways to improve boot time and tweak the CF install. There's also a new product coming out from M-Systems called the uDOC. It's a special USB flash disk which they claim will be the fastest storage for embedded applications. It plugs directly into the USB plug on motherboards. Apparently they have some software tweak that gets around XP's USB boot problems so this may give us an even bigger speed boost. You can rest assured I'll be testing it as soon as I can get my hands on one!

  6. #6
    Maximum Bitrate kpjuk's Avatar
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    Hi again,

    I have just tried running Bootvis, and it failed, so your tip on replacing winlogin is a good one, and well timed. My setup at the moment is

    M1000, 512MB Memory, 512MB CF card (cheapy from eBuyer for playing with). I also have an IR receiver, which I need to test once I decide on OS. I am looking to get a Sky Navigator remote with keyboard uk price of 25 GBP, to use with IR receiver. I'm not planning on getting the screen until the configuration is ready for the car. The prices seem to be coming down all the time, and I won't need it for another few weeks at least yet !

    Why did you go for XP over 98SE ? stability ? familiarity ? I am leaning towards going back to 98SE at the moment, and was about to have a discussion with my mate on what would be involved in providing an alternative power source for supporting Standby rather than hibernate, to get the 4 sec recovery ! Can you move from standby into hibernate after say 15hr inactivity ?

    Cheers sfiorito, the uDOC looks good to go ! I suspect that over time, with the price of the USB drives tumbling, this will be the best way for getting music into the car, so we should be able to get a full solid state install into the car, to overcome the temperature and vibration issues.

    KPJUK
    M1000, 512MB, 512MB CF, 6GB Disk (4200rpm),
    DVD/RW, Dynamix 8" screen, M2-ATX, Custom case,Too many hours building and rebuilding and rebuild.......

  7. #7
    FLAC SFiorito's Avatar
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    I chose XP mainly for support (software and hardware) and because I just personally prefer it over previous MSFT OSes. Your cheapy CF card is probably slowing you down since XP needs to load more files to boot up than 98SE does. This is what my setup will probably end up being: system will always go into standby, the opus powersupply automatically shuts off when the battery voltage gets too low, using HORM (hibernate once, resume many) I don't need to re-hibernate every time so the opus can just shut off and i'll resume like normal. All my music and videos, etc. will be stored on an external USB drive (maybe even a harddrive mp3 player) but the system will still be functional without the drive attached (FM, XM, GPS, DVD, everything else except MP3 and MPEG). For bootvis, don't forget to disable EWF. You also need the Task Scheduler service running.

    Good luck!

  8. #8
    Maximum Bitrate kpjuk's Avatar
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    I need to read up more on HORM ! you say the sytem goes to standby, but resumes from hibernation, and the HORM file ? How does that work ?

    What sort of times are getting from your setup to boot, standby and hibernate ?

    KPJUK
    M1000, 512MB, 512MB CF, 6GB Disk (4200rpm),
    DVD/RW, Dynamix 8" screen, M2-ATX, Custom case,Too many hours building and rebuilding and rebuild.......

  9. #9
    FLAC SFiorito's Avatar
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    The way HORM works is that it creates a permanent hibernation file so every time you boot up it resumes to the same state. With EWF you don't need to worry about data corruption on the volume since it's write protected so you can just turn the power off without having to cleanly shutdown. What I plan to do is create my HORM state, then have the system go into standby mode when the car turns off. Once the powersupply sees the voltage going too low it'll just turn off automatically, but that's okay because I have the HORM state for when it boots up again. So if I'm away from my car for a day for instance, the powersupply will have shutdown. I go to start my car, the powersupply turns on the PC which then resumes using the HORM state.

    For cold boot I get 18 seconds (BIOS to desktop), resume from standby is like 2-3 seconds. I haven't tested hibernation on the extremeIII yet. On the UltraII resume from hibernation was 17 seconds while cold boot was 24 seconds.

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