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Date:      Fri, 11 Feb 2005 16:39:21 -0800
From:      Nate Lawson <>
To:        ZC Wong <>
Subject:   Re: Suspend to disk on a Toshiba Portege R100
Message-ID:  <>

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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.


> -----Original Message-----
> From: Nate Lawson [] 
> Sent: Saturday, February 12, 2005 12:08 AM
> To: ZC Wong
> Cc:
> 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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