Mailing List Archive: syslinux: users

Any workaround for ThinkPad memdisk?

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the_orn at yahoo

Oct 3, 2007, 6:51 PM

Post #1 of 6 (4086 views)
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Any workaround for ThinkPad memdisk?

Hi,

I saw the Nov. 2006 message on Memdisk having a problem with ThinkPads. I also
saw the comment in the memdisk code enabling and disabling A20.

I've got a ThinkPad x61t that memdisk is not loading disk images on. The
symptom is that it gets as far as saying "Loading boot sector... booting..."
Then image partially runs - FreeDOS prints out its kernel message and it's
warranty. FreeDos stops at the line " - InitDisk" and then hangs.

Is this a known problem? Is there any workaround?

Thanks,
Rudy

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hpa at zytor

Oct 3, 2007, 7:05 PM

Post #2 of 6 (3951 views)
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Re: Any workaround for ThinkPad memdisk? [In reply to]

Rudy Moore wrote:
> Hi,
>
> I saw the Nov. 2006 message on Memdisk having a problem with ThinkPads. I also
> saw the comment in the memdisk code enabling and disabling A20.
>
> I've got a ThinkPad x61t that memdisk is not loading disk images on. The
> symptom is that it gets as far as saying "Loading boot sector... booting..."
> Then image partially runs - FreeDOS prints out its kernel message and it's
> warranty. FreeDos stops at the line " - InitDisk" and then hangs.
>
> Is this a known problem? Is there any workaround?
>

No, this is the first time I've heard of it.

-hpa

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dag at wieers

Oct 3, 2007, 7:46 PM

Post #3 of 6 (3955 views)
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Re: Any workaround for ThinkPad memdisk? [In reply to]

On Wed, 3 Oct 2007, H. Peter Anvin wrote:

> Rudy Moore wrote:
>
> > I saw the Nov. 2006 message on Memdisk having a problem with ThinkPads. I also
> > saw the comment in the memdisk code enabling and disabling A20.
> >
> > I've got a ThinkPad x61t that memdisk is not loading disk images on. The
> > symptom is that it gets as far as saying "Loading boot sector... booting..."
> > Then image partially runs - FreeDOS prints out its kernel message and it's
> > warranty. FreeDos stops at the line " - InitDisk" and then hangs.
> >
> > Is this a known problem? Is there any workaround?
>
> No, this is the first time I've heard of it.

Euhm, I think this one fits into my list of recurring Thinkpad related
memdisk problems. As seen in this post:

http://syslinux.zytor.com/archives/2004-January/003085.html

Depending on the memdisk version (and likely FreeDOS) the symptoms may be
different. I've made other posts wrt. Thinkpads (xSeries/Netfinitty
BIOSes) and memdisk.

(hoping to one day being able to flash my Thinkpad BIOS using memdisk)
--
-- dag wieers, dag [at] wieers, http://dag.wieers.com/ --
[Any errors in spelling, tact or fact are transmission errors]

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hpa at zytor

Oct 3, 2007, 8:45 PM

Post #4 of 6 (3954 views)
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Re: Any workaround for ThinkPad memdisk? [In reply to]

Rudy Moore wrote:
> Hi,
>
> I saw the Nov. 2006 message on Memdisk having a problem with ThinkPads. I also
> saw the comment in the memdisk code enabling and disabling A20.
>
> I've got a ThinkPad x61t that memdisk is not loading disk images on. The
> symptom is that it gets as far as saying "Loading boot sector... booting..."
> Then image partially runs - FreeDOS prints out its kernel message and it's
> warranty. FreeDos stops at the line " - InitDisk" and then hangs.
>
> Is this a known problem? Is there any workaround?

What medium are you booting from?

-hpa

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genaldo at glinux

Oct 3, 2007, 10:11 PM

Post #5 of 6 (3952 views)
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Re: Any workaround for ThinkPad memdisk? [In reply to]

> warranty. FreeDos stops at the line " - InitDisk" and then hangs.
>
> Is this a known problem? Is there any workaround?
>
>
I have a Thinkpad also and for this I use the "raw" option:

label win98r
menu label ^win98
kernel memdisk
append initrd=win98sc.img raw <-------

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hpa at zytor

Oct 4, 2007, 6:17 PM

Post #6 of 6 (3972 views)
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Re: Any workaround for ThinkPad memdisk? [In reply to]

Rudy Moore wrote:
> Hi,
>
> I saw the Nov. 2006 message on Memdisk having a problem with ThinkPads. I also
> saw the comment in the memdisk code enabling and disabling A20.
>
> I've got a ThinkPad x61t that memdisk is not loading disk images on. The
> symptom is that it gets as far as saying "Loading boot sector... booting..."
> Then image partially runs - FreeDOS prints out its kernel message and it's
> warranty. FreeDos stops at the line " - InitDisk" and then hangs.
>
> Is this a known problem? Is there any workaround?
>

Which version? I'm starting to suspect a regression at least with the
"raw" option in memdisk...

-hpa

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