Bug#756859: installation-guide: USB boot
Osamu Aoki <osamu@debian.org> wrote:
> Installation guide on USB boot is a bit outdated and may need some touch
> up. (I could not find package to file bug report.)
>
> === USB-HDD and USB Legacy ===
>
> http://d-i.debian.org/manual/en.i386/apas02.html#howto-getting-images-usb
> A.2.2. USB memory stick
>
> | Some BIOSes can boot USB storage directly, and some cannot. You may need
> | to configure your BIOS to boot from a “removable drive” or even a
> | “USB-ZIP” to get it to boot from the USB device. For helpful hints and
> | details, see Section 5.1.5, “Booting from USB Memory Stick”.
>
> I think this can be:
>
> | Some BIOSes can boot USB storage directly, and some cannot. You may need
> | to configure your BIOS to set "USB legacy support". The boot device
> | selection menu should show “removable drive”, "USB-HDD", or even
> | “USB-ZIP” to get it to boot from the USB device. For helpful hints and
> | details, see Section 5.1.5, “Booting from USB Memory Stick”.
>
> The rationale is:
> Since current document focus is on iso image copied onto USB, this is
> confusing to have USB-ZIP and not USB-HDD. Many new BIOSs have USB-HDD
> boot support if USB legacy support is enabled. USB-HDD installation is
> quite easy, it is usable and intuitive from the HDD image and documented
> in:
> 4.3.2. Manually copying files to the USB stick
> 4.3.3. Manually copying files to the USB stick — the flexible way
> These seems to be complete.
>
> === USB-ZIP ===
>
> USB-ZIP is said to require special partition and use /de/sd?4 for the
> data as documented in the syslinux documentation:
> /usr/share/doc/syslinux-common/txt/usbkey.txt
>
> So adding pointer to this is needed somewhere on the document is
> desirable (Probably at the bottom of 4.3.)
>
> === USB Legacy and interfarence ===
>
> http://d-i.debian.org/manual/en.amd64/ch03s06.html#boot-dev-select
> 3.6.2. Boot Device Selection
>
> Here, mention that you may need to enable "USB legacy support" to get
> USB memory stick to become bootable.
>
> (I have been bitten several times. So I am sure on this.)
>
> 3.6.4. Disabling the Windows 8 “fast boot” feature
>
> Here, mention that enabling "USB legacy support" may interfare with
> booting of Windows 8.
>
> (This is what I saw on the net.)
I have prepared a patch, to get this into the manual:
diff --git a/en/howto/installation-howto.xml b/en/howto/installation-howto.xml
index ff8a74184..1304b4c0d 100644
--- a/en/howto/installation-howto.xml
+++ b/en/howto/installation-howto.xml
@@ -162,8 +162,10 @@ sticks. For details, see <xref linkend="boot-usb-files" />.
</para><para arch="any-x86">
Some BIOSes can boot USB storage directly, and some cannot. You may need to
-configure your BIOS to boot from a <quote>removable drive</quote> or even a
-<quote>USB-ZIP</quote> to get it to boot from the USB device. For helpful
+configure your BIOS to enable <quote>USB legacy support</quote>. The boot device
+selection menu should show <quote>removable drive</quote>, <quote>USB-HDD</quote>,
+or even <quote>USB-ZIP</quote> to get it to boot from the USB device.
+For helpful
hints and details, see <xref linkend="usb-boot-x86" />.
</para><para arch="powerpc">
diff --git a/en/install-methods/boot-usb-files.xml b/en/install-methods/boot-usb-files.xml
index 7f59939d9..d85cf994b 100644
--- a/en/install-methods/boot-usb-files.xml
+++ b/en/install-methods/boot-usb-files.xml
@@ -2,7 +2,7 @@
<!-- $Id$ -->
<sect1 condition="bootable-usb" id="boot-usb-files">
- <title>Preparing Files for USB Memory Stick Booting</title>
+ <title>Preparing files for USB device booting</title>
<para>
@@ -185,4 +183,17 @@ ISO image, even a DVD image, to it.
</sect2>
+ <sect2 id="usb-zip">
+ <title>Using an USB-ZIP drive for installation</title>
+<para>
+
+The use of an USB-ZIP drive as installation medium requires some special
+partitioning, and the partition /dev/sdX4 has to be used for the data. Details
+can be found on <ulink
+url="https://www.syslinux.org/doc/usbkey.txt";>https://www.syslinux.org/doc/usbkey.txt</ulink>
+
+</para>
+
+ </sect2>
+
</sect1>
diff --git a/en/preparing/bios-setup/i386.xml b/en/preparing/bios-setup/i386.xml
index 4c50c1e2c..73f29271d 100644
--- a/en/preparing/bios-setup/i386.xml
+++ b/en/preparing/bios-setup/i386.xml
@@ -67,6 +67,7 @@ In particular if you use an isohybrid CD/DVD image on a USB stick
(see <xref linkend="usb-copy-isohybrid"/>), changing the device type to
<quote>USB CDROM</quote> helps on some BIOSes which will not boot from a USB stick in
USB harddisk mode.</phrase>
+You may need to configure your BIOS to enable <quote>USB legacy support</quote>.
</para><para>
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