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Linux's console text mode make video card's fan spin up and use more power?



 
 
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  #1  
Old June 23rd 11, 08:38 PM posted to alt.comp.periphs.videocards.nvidia,comp.os.linux.hardware
Ant
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Posts: 845
Default Linux's console text mode make video card's fan spin up and use more power?

Hello!

I noticed most of the times my old NVIDIA GeForce 8800 GT video card's
fan is quiet in KDE v3.5.10 with Compiz. When I exit out of X (used
startx to start X.org) to text mode console, my fan will spin up louder
and according to my old APC UPS, more power is used:

Before "startx" command:
APC : 001,037,0905
DATE : 2011-06-22 20:19:49 -0700
HOSTNAME : MyBox
VERSION : 3.14.8 (16 January 2010) debian
UPSNAME : MyBox
CABLE : USB Cable
MODEL : Back-UPS RS 1500
UPSMODE : Stand Alone
STARTTIME: 2011-06-14 20:44:35 -0700
STATUS : ONLINE
LINEV : 115.0 Volts
LOADPCT : 20.0 Percent Load Capacity
BCHARGE : 100.0 Percent
TIMELEFT : 44.5 Minutes
MBATTCHG : 5 Percent
MINTIMEL : 3 Minutes
MAXTIME : 0 Seconds
SENSE : High
LOTRANS : 097.0 Volts
HITRANS : 138.0 Volts
ALARMDEL : Always
BATTV : 26.8 Volts
LASTXFER : Low line voltage
NUMXFERS : 0
TONBATT : 0 seconds
CUMONBATT: 0 seconds
XOFFBATT : N/A
SELFTEST : NO
STATFLAG : 0x07000008 Status Flag
MANDATE : 2005-03-16
SERIALNO : QB0[deleted]
BATTDATE : 2005-03-16
NOMINV : 120 Volts
NOMBATTV : 24.0 Volts
NOMPOWER : 865 Watts
FIRMWARE : 8.g8 .D USB FW:g8
APCMODEL : Back-UPS RS 1500
END APC : 2011-06-22 20:20:22 -0700

After startx command is run and KDE v3.5.10 desktop with Compiz is up
and idling:
APC : 001,037,0905
DATE : 2011-06-22 20:20:49 -0700
HOSTNAME : MyBox
VERSION : 3.14.8 (16 January 2010) debian
UPSNAME : MyBox
CABLE : USB Cable
MODEL : Back-UPS RS 1500
UPSMODE : Stand Alone
STARTTIME: 2011-06-14 20:44:35 -0700
STATUS : ONLINE
LINEV : 115.0 Volts
LOADPCT : 17.0 Percent Load Capacity
BCHARGE : 100.0 Percent
TIMELEFT : 50.6 Minutes
MBATTCHG : 5 Percent
MINTIMEL : 3 Minutes
MAXTIME : 0 Seconds
SENSE : High
LOTRANS : 097.0 Volts
HITRANS : 138.0 Volts
ALARMDEL : Always
BATTV : 26.9 Volts
LASTXFER : Low line voltage
NUMXFERS : 0
TONBATT : 0 seconds
CUMONBATT: 0 seconds
XOFFBATT : N/A
SELFTEST : NO
STATFLAG : 0x07000008 Status Flag
MANDATE : 2005-03-16
SERIALNO : QB0[deleted]
BATTDATE : 2005-03-16
NOMINV : 120 Volts
NOMBATTV : 24.0 Volts
NOMPOWER : 865 Watts
FIRMWARE : 8.g8 .D USB FW:g8
APCMODEL : Back-UPS RS 1500
END APC : 2011-06-22 20:21:49 -0700


Strange that running X makes my UPS show less power used. I guess I
shouldn't exit X to save power. :P

Is this normal? I am using the latest NVIDIA driver binaries, compiled
from its .run files, in Debian (Kernel v2.6.32-...). Obviously, I can't
read my sensors -f fully for NVIDIA in text mode since NVIDIA driver
isn't in used like in X.

More details if useful:
# nvclock -D
--- nVidia Geforce 8800GT GPU registers ---
NV_PMC_BOOT_0 (0x0): 092880a2
NV_PBUS_DEBUG_0 (0x1080): 00000000
NV_PBUS_DEBUG_1 (0x1084): 00041469
NV_PBUS_DEBUG_2 (0x1088): 00000000
NV_PBUS_DEBUG_3 (0x108c): 000000d1
NV_10F0 (0x10f0): 00000000
NV_1540 (0x1540): f30f007f
NV_15B0 (0x15b0): 00000000
NV_15B4 (0x15b4): 00000000
NV_15B8 (0x15b8): 00000000
NV_15F0 (0x15f0): 00000000
NV_15F4 (0x15f4): 00000000
NV_15F8 (0x15f8): 00000000
NV_PBUS_PCI_0 (0x1800): 061110de
NV_PBUS_PCI_0 (0x182c): 053c10de
NV_C010 (0xc010): 00000000
NV_C014 (0xc014): 00000000
NV_C018 (0xc018): 00000000
NV_C01C (0xc01c): 00000000


I went back to X (startx) and reran nvclock -D command to see if there
are any differences:
# nvclock -D
--- nVidia Geforce 8800GT GPU registers ---
NV_PMC_BOOT_0 (0x0): 092880a2
NV_PBUS_DEBUG_0 (0x1080): 00000000
NV_PBUS_DEBUG_1 (0x1084): 00041469
NV_PBUS_DEBUG_2 (0x1088): 00000000
NV_PBUS_DEBUG_3 (0x108c): 000000d1
NV_10F0 (0x10f0): 00000000
NV_1540 (0x1540): f30f007f
NV_15B0 (0x15b0): 00000000
NV_15B4 (0x15b4): 00000000
NV_15B8 (0x15b8): 00000000
NV_15F0 (0x15f0): 00000000
NV_15F4 (0x15f4): 00000000
NV_15F8 (0x15f8): 00000000
NV_PBUS_PCI_0 (0x1800): 061110de
NV_PBUS_PCI_0 (0x182c): 053c10de
NV_C010 (0xc010): 00000000
NV_C014 (0xc014): 00000000
NV_C018 (0xc018): 00000000
NV_C01C (0xc01c): 00000000
NV_C020 (0xc020): 00000000
NV_C024 (0xc024): 00000000
NV_C028 (0xc028): 00000000
NV_C02C (0xc02c): 00000000
NV_C040 (0xc040): 2e80dbb3
NV_4000 (0x4000): 00000000
NV_4004 (0x4004): 00000000
NV_4008 (0x4008): 8018e400
NV_400C (0x400c): 00001903
NV_4010 (0x4010): 00000000
NV_4014 (0x4014): 00000000
NV_4018 (0x4018): 00001200
NV_401C (0x401c): 00001c03
NV_4020 (0x4020): 80000000
NV_4024 (0x4024): 00001c02
NV_4028 (0x4028): a0000000
NV_402C (0x402c): 00002707
NV_4030 (0x4030): a0090000
NV_4034 (0x4034): 00001202
NV_4038 (0x4038): 00000000
NV_403C (0x403c): 00000000
NV_4040 (0x4040): 00010000
NV_4044 (0x4044): 00010000
NV_4048 (0x4048): 00000000
NV_404C (0x404c): 00000000
NV_4050 (0x4050): 00010000
NV_4054 (0x4054): 00000000
NV_4058 (0x4058): 00000000
NV_405C (0x405c): 00000000
NV_4060 (0x4060): 00010000
NV_E100 (0xe100): 00001900
NV_E114 (0xe114): 00000001
NV_E118 (0xe118): 00000000
NV_E11C (0xe11c): 00000001
NV_E120 (0xe120): 00000000
NV_E300 (0xe300): 00000100
NV_20008 (0x20008): c0083905
NV_20400 (0x20400): 00000000
NV_PDISPLAY_SOR0_REGS_BRIGHTNESS(c084): 00000000
NV_PFB_CFG0 (0x100200): 01001000
NV_PFB_CFG0 (0x100204): 01449000
NV_PFB_CFG0 (0x100208): 00000000
NV_PFB_CFG0 (0x10020c): 20000000
NV_PFB_218 (0x100218): 01000101
NV_PFB_TIMING0 (0x100220): 0d162f23
NV_PFB_TIMING1 (0x100224): 11010a0b
NV_PFB_TIMING2 (0x100228): 0208080c
NV_PFB_474 (0x100474): 00000000
NV_PEXTDEV_BOOT_0 (0x101000): 9f428486
NV_NVPLL_COEFF_A (0x680500): 00000000
NV_MPLL_COEFF_A (0x680504): 00000000
NV_VPLL_COEFF (0x680508): 00000000
NV_PLL_COEFF_SELECT (0x68050c): 00000000
NV_NVPLL_COEFF_B (0x680570: 00000000
NV_MPLL_COEFF_B (0x680574: 00000000
--- PCI header ---
00: de 10 11 06 07 00 10 00 a2 00 00 03 00 00 00 00
10: 00 00 00 fd 0c 00 00 d0 00 00 00 00 04 00 00 fa
20: 00 00 00 00 01 ec 00 00 00 00 00 00 de 10 3c 05
30: 00 00 00 00 60 00 00 00 00 00 00 00 0a 01 00 00
40: de 10 3c 05 00 00 00 00 00 00 00 00 00 00 00 00
50: 01 00 00 00 01 00 00 00 ce d6 23 00 00 00 00 00
60: 01 68 03 00 08 00 00 00 05 78 80 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 10 00 02 00 e0 84 2c 01
80: 10 29 00 00 02 2d 00 00 48 00 02 11 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 10 00 00 00
a0: 00 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
NV_C020 (0xc020): 00000000
NV_C024 (0xc024): 00000000
NV_C028 (0xc028): 00000000
NV_C02C (0xc02c): 00000000
NV_C040 (0xc040): 2e80dbb3
NV_4000 (0x4000): 00000000
NV_4004 (0x4004): 00000000
NV_4008 (0x4008): 8018e400
NV_400C (0x400c): 00001903
NV_4010 (0x4010): 00000000
NV_4014 (0x4014): 00000000
NV_4018 (0x4018): 00001200
NV_401C (0x401c): 00001c03
NV_4020 (0x4020): 80000000
NV_4024 (0x4024): 00001c02
NV_4028 (0x4028): a0000000
NV_402C (0x402c): 00002707
NV_4030 (0x4030): a0090000
NV_4034 (0x4034): 00001202
NV_4038 (0x4038): 00000000
NV_403C (0x403c): 00000000
NV_4040 (0x4040): 00010000
NV_4044 (0x4044): 00010000
NV_4048 (0x4048): 00000000
NV_404C (0x404c): 00000000
NV_4050 (0x4050): 00010000
NV_4054 (0x4054): 00000000
NV_4058 (0x4058): 00000000
NV_405C (0x405c): 00000000
NV_4060 (0x4060): 00010000
NV_E100 (0xe100): 00001900
NV_E114 (0xe114): 00000001
NV_E118 (0xe118): 00000000
NV_E11C (0xe11c): 00000001
NV_E120 (0xe120): 00000000
NV_E300 (0xe300): 00000100
NV_20008 (0x20008): c0083935
NV_20400 (0x20400): 00000000
NV_PDISPLAY_SOR0_REGS_BRIGHTNESS(c084): 00000000
NV_PFB_CFG0 (0x100200): 01001000
NV_PFB_CFG0 (0x100204): 01449000
NV_PFB_CFG0 (0x100208): 00000000
NV_PFB_CFG0 (0x10020c): 20000000
NV_PFB_218 (0x100218): 01000101
NV_PFB_TIMING0 (0x100220): 0d162f23
NV_PFB_TIMING1 (0x100224): 11010a0b
NV_PFB_TIMING2 (0x100228): 0208080c
NV_PFB_474 (0x100474): 00000000
NV_PEXTDEV_BOOT_0 (0x101000): 9f428486
NV_NVPLL_COEFF_A (0x680500): 00000000
NV_MPLL_COEFF_A (0x680504): 00000000
NV_VPLL_COEFF (0x680508): 00000000
NV_PLL_COEFF_SELECT (0x68050c): 00000000
NV_NVPLL_COEFF_B (0x680570: 00000000
NV_MPLL_COEFF_B (0x680574: 00000000
--- PCI header ---
00: de 10 11 06 07 00 10 00 a2 00 00 03 00 00 00 00
10: 00 00 00 fd 0c 00 00 d0 00 00 00 00 04 00 00 fa
20: 00 00 00 00 01 ec 00 00 00 00 00 00 de 10 3c 05
30: 00 00 00 00 60 00 00 00 00 00 00 00 0a 01 00 00
40: de 10 3c 05 00 00 00 00 00 00 00 00 00 00 00 00
50: 01 00 00 00 01 00 00 00 ce d6 23 00 00 00 00 00
60: 01 68 03 00 08 00 00 00 05 78 80 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 10 00 02 00 e0 84 2c 01
80: 10 29 00 00 02 2d 00 00 48 00 02 11 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 10 00 00 00
a0: 00 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00


$ nvclock -i
-- General info --
Card: nVidia Geforce 8800GT
Architectu G92 A2
PCI id: 0x611
GPU clock: 601.712 MHz
Bustype: PCI-Express

-- Shader info --
Clock: 1512.000 MHz
Stream units: 112 (01111111b)
ROP units: 16 (1111b)
-- Memory info --
Amount: 512 MB
Type: 256 bit DDR3
Clock: 899.996 MHz

-- PCI-Express info --
Current Rate: 16X
Maximum rate: 16X

-- Sensor info --
Sensor: Analog Devices ADT7473
Board temperatu 61C
GPU temperatu 76C
Fanspeed: 3941 RPM
Fanspeed mode: manual
PWM duty cycle: 65.5%

-- VideoBios information --
Version: 62.92.1f.00.09
Signon message: GeForce 8800 GT VGA BIOS
Performance level 0: gpu 600MHz/shader 1500MHz/memory 900MHz/0.00V/100%
VID mask: 3
Voltage level 0: 0.95V, VID: 0
Voltage level 1: 1.00V, VID: 1
Voltage level 2: 1.05V, VID: 2
Voltage level 3: 1.10V, VID: 3


Thank you in advance.
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Video
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  #2  
Old June 23rd 11, 10:05 PM posted to alt.comp.periphs.videocards.nvidia,comp.os.linux.hardware
J G Miller
external usenet poster
 
Posts: 59
Default Linux's console text mode make video card's fan spin up and usemore power?

On Thursday, June 23rd, 2011 at 14:38:04h -0500, Ant observed:

I noticed most of the times my old NVIDIA GeForce 8800 GT video card's
fan is quiet in KDE v3.5.10 with Compiz. When I exit out of X (used
startx to start X.org) to text mode console, my fan will spin up louder
and according to my old APC UPS, more power is used


Perhaps because when you are running the KDE desktop, you are running a
power management program (PowerDevil?) and when you are not running the
KDE desktop you are not running that power management program.

[reams of totally unecessary output deleted]
  #3  
Old June 24th 11, 08:08 AM posted to alt.comp.periphs.videocards.nvidia,comp.os.linux.hardware
Paul
external usenet poster
 
Posts: 13,411
Default Linux's console text mode make video card's fan spin up and usemore power?

Ant wrote:
Hello!

I noticed most of the times my old NVIDIA GeForce 8800 GT video card's
fan is quiet in KDE v3.5.10 with Compiz. When I exit out of X (used
startx to start X.org) to text mode console, my fan will spin up louder
and according to my old APC UPS, more power is used:


snip

The video card fan speed, is software controlled. Depending on the
situation, you may not have the necessary software path to make
that happen. As a result, if you're lucky, the fan defaults to 100%.

This was such an annoyance for me (I boot a lot of LiveCDs, which
lack the necessary driver component), that I butchered the fan
control with a hardware method, so Linux would no longer
"spool up" the fan on me. Now, I enjoy blissful silence.

That is only practical, because I characterized the video card
behavior, and determined that 20% was plenty of cooling, even in
3D games. I set up an external voltage supply to the fan, to
achieve 20% fan speed. I checked in Windows, to verify temps
with GPUZ. So I was careful to design it, so it achieved the
same result as the software method.

My method is inferior, in the sense that it isn't speed
controlled. The fan can't drop back in speed, when the card
is cool. The fan runs fast enough, so it is cooled properly
under any load.

For a big-assed video card, the above is not a valid approach.
I could do this, because my card is gutless :-) For an 8800 GT,
I'd need a lot more than a 20% static setting. And that would be
too loud.

There should never have been software control of fan speed
in the first place! This could all have been done in hardware,
with no unnecessary roaring fans or anything. It's just
stupid, that the hardware was designed this way. It has
even allowed video cards to be damaged, when Nvidia
released drivers with improper fan speed setting software.
If there was hardware closed loop control, that would never
have happened. Doing this in software, is *so* unnecessary.

If you want control in Text Mode, you'd going to need to
research how the driver code works, and whether there is
a separate utility for adjusting it. I tried researching
this in the past, but don't remember the details. I
don't have to, because mine is "fixed" (like neutering
your dog...) :-) No loud fan for me.

HTH,
Paul
  #4  
Old June 25th 11, 10:17 AM posted to alt.comp.periphs.videocards.nvidia,comp.os.linux.hardware
Ant[_3_]
external usenet poster
 
Posts: 670
Default Linux's console text mode make video card's fan spin up and usemore power?

On 6/24/2011 12:08 AM PT, Paul typed:

I noticed most of the times my old NVIDIA GeForce 8800 GT video card's
fan is quiet in KDE v3.5.10 with Compiz. When I exit out of X (used
startx to start X.org) to text mode console, my fan will spin up
louder and according to my old APC UPS, more power is used:


The video card fan speed, is software controlled. Depending on the
situation, you may not have the necessary software path to make
that happen. As a result, if you're lucky, the fan defaults to 100%.

This was such an annoyance for me (I boot a lot of LiveCDs, which
lack the necessary driver component), that I butchered the fan
control with a hardware method, so Linux would no longer
"spool up" the fan on me. Now, I enjoy blissful silence.


Yes, that's annoying too!


That is only practical, because I characterized the video card
behavior, and determined that 20% was plenty of cooling, even in
3D games. I set up an external voltage supply to the fan, to
achieve 20% fan speed. I checked in Windows, to verify temps
with GPUZ. So I was careful to design it, so it achieved the
same result as the software method.

My method is inferior, in the sense that it isn't speed
controlled. The fan can't drop back in speed, when the card
is cool. The fan runs fast enough, so it is cooled properly
under any load.

For a big-assed video card, the above is not a valid approach.
I could do this, because my card is gutless :-) For an 8800 GT,
I'd need a lot more than a 20% static setting. And that would be
too loud.

There should never have been software control of fan speed
in the first place! This could all have been done in hardware,
with no unnecessary roaring fans or anything. It's just
stupid, that the hardware was designed this way. It has
even allowed video cards to be damaged, when Nvidia
released drivers with improper fan speed setting software.
If there was hardware closed loop control, that would never
have happened. Doing this in software, is *so* unnecessary.

If you want control in Text Mode, you'd going to need to
research how the driver code works, and whether there is
a separate utility for adjusting it. I tried researching
this in the past, but don't remember the details. I
don't have to, because mine is "fixed" (like neutering
your dog...) :-) No loud fan for me.


Yeah, I posted about this in
http://www.nvnews.net/vbulletin/show....php?p=2445518 as well, and it
looks like it does require major hacking which could be dangerous to the
hardwares.

Oh well. I guess I will stick with being in X mode then. I like to shut
down X when not using my old Linux/Debian box for a very long time to
save system resources. I find it odd that X uses less power.

I wonder if ATI video cards behave like this too. Does anyone know?
--
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  #5  
Old June 25th 11, 10:25 AM posted to alt.comp.periphs.videocards.nvidia,comp.os.linux.hardware
Ant[_3_]
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Posts: 670
Default Linux's console text mode make video card's fan spin up and usemore power?

On 6/23/2011 2:05 PM PT, J G Miller typed:

I noticed most of the times my old NVIDIA GeForce 8800 GT video card's
fan is quiet in KDE v3.5.10 with Compiz. When I exit out of X (used
startx to start X.org) to text mode console, my fan will spin up louder
and according to my old APC UPS, more power is used


Perhaps because when you are running the KDE desktop, you are running a
power management program (PowerDevil?) and when you are not running the
KDE desktop you are not running that power management program.


I don't see any power management in my KDE v3.5.10's Control Center. :/
I do use xscreensaver's monitor sleep after a couple hours and cpuidle.
I searched for PowerDevil and none exists even in Debian's apt-cache
search. I have never heard of it before either.
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  #6  
Old June 25th 11, 12:53 PM posted to alt.comp.periphs.videocards.nvidia,comp.os.linux.hardware
Paul
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Posts: 13,411
Default Linux's console text mode make video card's fan spin up and usemore power?

Ant wrote:


I wonder if ATI video cards behave like this too. Does anyone know?


Unhappy users are a dime a dozen...

http://forums.amd.com/game/messagevi...=y&STARTPAGE=2

Paul
  #7  
Old June 25th 11, 01:36 PM posted to alt.comp.periphs.videocards.nvidia,comp.os.linux.hardware
J G Miller
external usenet poster
 
Posts: 59
Default Linux's console text mode make video card's fan spin up and usemore power?

On Saturday, June 25th, 2011 at 02:25:53h -0700, Ant explained:

I searched for PowerDevil and none exists even in Debian's apt-cache
search. I have never heard of it before either.


Well I did put a ? indicating if that I was not certain of the name.

PowerDevil is the name of the power management software under KDE4.

KDE3.5 uses a program called kpowersave.

http://kde-apps.ORG/content/show.php?content=29295

BTW is this issue on your Debian system whose package management
is messed up because you have apt sources pointing to updates
which include KDE4 but which you do not want installed?
  #8  
Old June 26th 11, 01:26 AM posted to alt.comp.periphs.videocards.nvidia,comp.os.linux.hardware
Ant[_3_]
external usenet poster
 
Posts: 670
Default Linux's console text mode make video card's fan spin up and usemore power?

On 6/25/2011 4:53 AM PT, Paul typed:

I wonder if ATI video cards behave like this too. Does anyone know?


Unhappy users are a dime a dozen...

http://forums.amd.com/game/messagevi...=y&STARTPAGE=2


Interesting and that is in Windows.
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  #9  
Old June 26th 11, 01:38 AM posted to alt.comp.periphs.videocards.nvidia,comp.os.linux.hardware
Ant[_3_]
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Posts: 670
Default Linux's console text mode make video card's fan spin up and usemore power?

On 6/25/2011 5:36 AM PT, J G Miller typed:

I searched for PowerDevil and none exists even in Debian's apt-cache
search. I have never heard of it before either.


Well I did put a ? indicating if that I was not certain of the name.

PowerDevil is the name of the power management software under KDE4.


Ah, sorry. I missed your question mark. I was posting at 2:25 AM PDT.


KDE3.5 uses a program called kpowersave.

http://kde-apps.ORG/content/show.php?content=29295


http://packages.debian.org/search?ke... l&section=all
as well.

$ locate kpowersave
$ locate powersave
/etc/smartmontools/run.d/10powersave-notify
/lib/modules/2.6.32-5-686/kernel/drivers/cpufreq/cpufreq_powersave.ko
/usr/lib/pm-utils/power.d/intel-audio-powersave
/usr/lib/pm-utils/power.d/sched-powersave
/usr/lib/pm-utils/sleep.d/00powersave
/usr/sbin/pm-powersave
/usr/share/doc/alsa-base/driver/powersave.txt
/usr/share/man/man8/pm-powersave.8.gz
/usr/src/linux-headers-2.6.32-5-686/include/config/cpu/freq/gov/powersave.h

I installed it and it looks like this is mainly for laptops/notebooks
and Xscreesaver already does my monitor to sleep:
# apt-cache show kpowersave
Package: kpowersave
Status: install ok installed
Priority: optional
Section: kde
Installed-Size: 5164
Maintainer: Debian KDE Extras Team
Architectu i386
Version: 0.7.3-3
Depends: kdelibs4c2a (= 4:3.5.9), libc6 (= 2.7-1), libdbus-1-3 (=
1.0.2), libdbus-qt-1-1c2 (= 0.62.git.20060814), libgcc1 (= 1:4.1.1),
libhal1 (= 0.5.10), libstdc++6 (= 4.1.1), libxext6, libxss1, libxtst6,
hal (= 0.5.8.1)
Conffiles:
/etc/kde3/kpowersaverc 2073ae83c2445f386d612a9df72b8705
Description: HAL based power management applet for KDE
KPowersave is a KDE systray applet which allows to control the power
management settings and policies of your computer.
It relies on HAL to do the heavy lifting.
  #10  
Old July 8th 11, 01:29 PM posted to alt.comp.periphs.videocards.nvidia,comp.os.linux.hardware
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Posts: 2
Default Linux's console text mode make video card's fan spin up and usemore power?

On Jun 23, 10:38*pm, (Ant) wrote:
Hello!

I noticed most of the times my old NVIDIA GeForce 8800 GT video card's
fan is quiet in KDE v3.5.10 with Compiz. When I exit out of X (used
startx to start X.org) to text mode console, my fan will spin up louder
and according to my old APC UPS, more power is used:

[snip]

that's because nVidia and amd have quietly joined the anti text mode
consortium
founded by apple and have quietly bought up the controlling stake in
all liquid cooling manufacturers to make a buck on a side

all the more reason to have a dedicated linux box of you need it
and have an htpc fanless card in it

that or help nvidia to make profit from its secret investments
 




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