Package: pm-utils
Version: 1.2.5-2
On this Inspiron 4000 laptop, when I tried to suspend with pm-suspend,
the screen would turn a uniform dull grey. The Inspiron 4000 uses a
ATI Rage 128-based card (ATI Rage Mobility M3 AGP 2x [1002:4c46] rev
02), which is pretty similar to a Radeon, so I tried
--quirk-radeon-off. That does make the backlight turn off, addressing
my problem.
Still, better if this works out of the box, I would think. Although
the Inspiron 4000 is “whitelisted” (matched by vendor “Dell”), I think
no one has checked what works for it yet.
I started to try testing the various quirks, but I am not sure what to
test for. The laptop has TV-out and standard monitor ports but so far
I have only tried the built-in LCD.
s2ram -n :
Machine unknown
This machine can be identified by:
sys_vendor = "Dell Computer Corporation"
sys_product = "Inspiron 4000"
sys_version = ""
bios_version = "A23"
The screen is a Samsung LT141X8-L02, TFT LCD panel. The kernel ACPI
driver is loaded, no APM. “vbetool dpms suspend”, “vbetool dpms off”,
and “radeontool light off” all work to turn off the backlight.
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