Re: lenovo s205 installation problems
- From: Camaleón <noelamac@xxxxxxxxx>
- Date: Sun, 5 Feb 2012 14:45:40 +0000 (UTC)
On Sat, 04 Feb 2012 14:12:10 +0000, Russell L. Harris wrote:
(...)
I now am searching with Google to resolve several issues, primarily:
(1) The Debian installer defaults to the 2.6-amd64 kernel, but offers
2.6-686 and 2.6-486. I plan to run mostly XEmacs and TeXLive, but also
IceWeasel for browsing and the occasion YouTube video. So is it good to
install the amd64 kernel?
Yes.
(2) The BIOS setup gives two options for "SATA Controller working mode";
they are AHCI and IDE ("compatible mode"). Some of the articles I found
on this matter recommend IDE mode unless there is a need for RAID; other
articles recommend AHCI unless the OS release date is pre-2007. Some
articles warn against changing the mode after installation; at least one
article argues to the contrary. Which mode should I use? Is selection
of the wrong mode causing the failure of GRUB to boot?
AHCI without any doubt.
You can change it afterwards (you may need to have the corresponding
driver compiled in the kernel) but I see no compelling reasons for doing
it.
(3) During installation, the only USB port which appears to be active is
the port feeding the DVD drive. Aside from the minor inconvenience of
being unable to use a full-size external USB keyboard for the
installation, I am unable to provide "missing firmware" (namely,
"rt1_nic/rt18105e-1fw") on removable media during the installation.
I tried plugging the DVD drive into one USB port and the external USB
keyboard into another USB port, but only the drive was recognized.
Next, I tried plugging in only the external (Logitec) keyboard, but the
S205 BIOS appears not to recognize it, even for navigating the BIOS
screens and menus.
I also tried using an external (powered) USB hub, with the DVD drive and
the external USB keyboard plugged into the hub; the S205 booted from the
DVD drive, but did not recognize the USB keyboard.
If ever I get the machine running Debian, I need an external mouse
(wired or wireless), so I need all of the USB ports to be functional.
What is the key?
On a running system, start by issuing "lsusb" to list the USB ports/
devices recognized by the system. Also, "dmesg | grep -i hub" will tell
you about the available USB hubs detected. If the kernel can't see all of
them, search for a BIOS update.... or Google for similar problems, like
this:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/863152
Greetings,
--
Camaleón
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