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Date:      Fri, 11 Feb 2005 16:58:29 -0800
From:      Nate Lawson <>
To:        ZC Wong <>
Subject:   Re: Suspend to disk on a Toshiba Portege R100
Message-ID:  <>

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Sorry, can't help much there.  All I can say is if you make a partition 
of the wrong type or size, the attempt to suspend may blow away valid 
data since the BIOS doesn't do much careful checking generally.


ZC Wong wrote:
> I've already looked around on google but I didn't find anything about such
> kind of partition on Toshiba machines (there are bunches of articles talking
> about IBM and Dell). Is it possible to guess the type and size of this
> partition by any chance if I assume this is the case? Say if I create a
> partition (primary? or logical partition?) with exactly the same size of the
> physical memory, and then try labelling the partition with random types
> until the BIOS recognises it? I am just wondering if there's a general idea
> what this partition would be look like.
> Zi
> -----Original Message-----
> From: Nate Lawson [] 
> Sent: Saturday, February 12, 2005 12:39 AM
> To: ZC Wong
> Cc:
> Subject: Re: Suspend to disk on a Toshiba Portege R100
> ZC Wong wrote:
>>The default value of hw.acpi.s4bios is 1, but it does the same thing as S3
>>instead of what it's supposed to do.
> Yes, sounds like you need a suspend partition.  Perhaps Toshiba has a 
> utility on their website to build this.  Alternately, if you know the 
> partition type you can use fips or Partition Magic to create one 
> manually.  Be careful not to damage your partition table and lose data.
> -Nate
>>-----Original Message-----
>>From: Nate Lawson [] 
>>Sent: Saturday, February 12, 2005 12:08 AM
>>To: ZC Wong
>>Subject: Re: Suspend to disk on a Toshiba Portege R100
>>ZC Wong wrote:
>>>I installed FreeBSD 5.3 release on my Toshiba Portege R100.
>>>S4BIOS worked but it doesn't suspend to disk, it looks like it's 
>>>basically doing the same thing as S3 when I try "acpiconf -s 4" with 
>>>hw.acpi.s4bios set to 1. S4OS (hw.acpi.s4bios=0) doesn't work, it brings 
>>>the machine down.
>>Is hw.acpi.s4bios set when you boot or are you overriding it?
>>>It looks like s4bios needs some sort of hibernation partition to work 
>>>properly, but I haven't found anything about fixing up such kind of 
>>>partition on Toshiba???
>>>Alternatively, the handbook I found in dosen't say if I need 
>>>any special configuration to allow S4OS to work?
>>S4OS is not implemented yet, no estimated start date on work.


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