D20 sata disk support advanced power management

My d20 comes with a sata 250 GB WD (WD2500AAJS). I have centos 6 on it now. hiberate seems not working on this box: 1. after hibernate it automatically power up but boot into a black screen with backlight on.
2. pm-suspend.log shows that everything is successful during hibernate stage, except that /usr/lib64/pm-utils/sleep.d/99hd-apm-restore.hook hibernate hibernate: Advanced Power Management not supported by device sda. (the WD disk is the only disk plugged into the system for debugging purpose)
3. hdparm -i /dev/sda returns AdvancedPM = no
My first step is to work on the hiberate/restore problem (leaving auto reboot later). So the problem and log/hdparm messages are consistent that the sata disk does not support apm. how to turn on the apm support? is there any specific option to specify in the BIOS? is there any bit to flip on the hard disk? ... (right now BIOS enables AHCI mode and in native IDE mode, disk connects through Marvell controller)
Thank you very much.
Solved!
Go to Solution.

Hi, psuturtle:
Thank you for quick reply. This is the least I want to hear. It seems much on my own.
Googled around found a couple of related topic:
1. http://wdc.custhelp.com/app/answers/detail/a_id/958/~/how-to-enable-and-disable-pm2-%28power-managem...
Basically, WD sata disk is by default disabled with its APM. It instructs to "place a jumper shut on pins 3 and 4", though I haven't tested it. I don't know how windows circumvent this hd option problem though. On the other hand, if the disk is connected to one of the 3 IDE connectors (for optical drives), suspend/hiberate works fine although having slow I/O after resume (I did this with Fedora 14/15 but haven't tried on centos). So I guess it is Marvell Constroller drive might have some unexpected effort here.
Well, thank you anyway.

Similar Messages

Power Management

OK, So I dont really know anything about Power Management, as ive never really cared.
But now that ive been keeping my system on all the time, id like some help getting Standby (sleep) mode working.
If I understand it, this either uses APM or ACPI, its a desktop system, a year old. Which would it use? When I was recompiling my kernel, I noticed APM was enabled, but not ACPI.
Anyway, When pressing the Power button in Windows, it puts the computer into Standby mode. How would I do set this up in Arch?
Also, when powering down, my computer doesnt actually turn itself off. I tried "apm=power-off" in Lilo, from another thread, but it didn't work (just didn't turn off). Actually, I may not have set it up right.
I already have: append="hdd=ide-scsi" , in LILO, so im not sure if I add the line after "hdd=ide-scsi", thats what I did though.
Any help would be appreciated. If its not possible to have it standby on pressing the power button, I could set it up using the Xscreensaver Daemon. That seems to have an option for automatic standby.

sud_crow wrote:
Hi,
just a thought:
# CONFIG_ACPI is not set
CONFIG_APM=y
# CONFIG_APM_IGNORE_USER_SUSPEND is not set
# CONFIG_APM_DO_ENABLE is not set
# CONFIG_APM_CPU_IDLE is not set
# CONFIG_APM_DISPLAY_BLANK is not set
# CONFIG_APM_RTC_IS_GMT is not set
# CONFIG_APM_ALLOW_INTS is not set
# CONFIG_APM_REAL_MODE_POWER_OFF is not set
the "is not set" thing, means (at least is what i think) you didnt compiled the kernel with that niether with a module,
right! if you look at .config by hand ... better use
make menuconfig
#or
make xconfig
to configure your kernel, because then you dont have to wonder for funny "is not set" behind out-commented lines
sud_crow wrote: for what i know, to turn your PC off with an ATX and a ACPI motherboard you need to have the "CONFIG_ACPI" ...
Kernel-docs: ACPI wrote:
CONFIG_ACPI:
ACPI/OSPM support for Linux is currently under development. As such,
this support is preliminary and EXPERIMENTAL. Configuring ACPI
support enables kernel interfaces that allow higher level software
(OSPM) to manipulate ACPI defined hardware and software interfaces,
including the evaluation of ACPI control methods. If unsure, choose
N here. Note, this option will enlarge your kernel by about 120K.
This support requires an ACPI compliant platform (hardware/firmware).
If both ACPI and Advanced Power Management (APM) support are
configured, whichever is loaded first shall be used.
-> it is generally a bad idea to include ACPI and APM both in the kernel, because you then cannot decide whichone is used and which not ...
sud_crow wrote:... and the "CONFIG_APM_REAL_MODE_POWER_OFF" compiled in the kernel or as a module, also i set the CPU_IDLE (powersaving) and the DISPLAY_BLANK, they are both usufull, i think you should read the ´help´ to see if you need the others.
==> here the docs for these "additionals" for APM :
Kernel-docs wrote:
CONFIG_APM_REAL_MODE_POWER_OFF:
Use real mode APM BIOS calls to switch off the computer. This is
a work-around for a number of buggy BIOSes. Switch this option on if
your computer crashes instead of powering off properly.
Kernel-docs wrote:
CONFIG_APM_CPU_IDLE:
Enable calls to APM CPU Idle/CPU Busy inside the kernel's idle loop.
On some machines, this can activate improved power savings, such as
a slowed CPU clock rate, when the machine is idle. These idle calls
are made after the idle loop has run for some length of time (e.g.,
333 mS). On some machines, this will cause a hang at boot time or
whenever the CPU becomes idle. (On machines with more than one CPU,
this option does nothing.)
Kernel-docs wrote:
CONFIG_APM_DISPLAY_BLANK:
Enable console blanking using the APM. Some laptops can use this to
turn off the LCD backlight when the screen blanker of the Linux
virtual console blanks the screen. Note that this is only used by
the virtual console screen blanker, and won't turn off the backlight
when using the X Window system. This also doesn't have anything to
do with your VESA-compliant power-saving monitor. Further, this
option doesn't work for all laptops -- it might not turn off your
backlight at all, or it might print a lot of errors to the console,
especially if you are using gpm.
actually APM should work without --- except you are a special case with a funny bios or something else funny ... then you should consider activating them, but gernerally you dont need them

Power Management on K7T Turbo2

I just reinstalled Win '98 on my system and I noticed that the "STAND BY" and "SHUT DOWN" mode has changed when pressing the power button. Before when I pressed the pwr button the system will go into suspend mode; screen etc.. while the fans and everything else is on and everything resumes when I move the mouse or touch thee keyboard. Now the whole system shuts off and when I press the pwr button again it goes back to where windows last left off like and does not reboot. I did'nt change anything in the bios, I just reinstalled Windows !
BIOS Setting: All PM mode enabled, 4 sec delay, STR(3) etc...
Win' 98 Setting: Advance setting in Power Management
"When Pwr button is press: Stand By

OK, I figured it out, I have to set it to POS(S1) if I want to use the power on stand by and and 4 sec delay shutdown as STR(S3) uses the bios and Microsoft OnNow features.
S1 or S3 ???
It looks like MicroSoft has included their OnNow ACPI feature since Win '98 and I really never completely knew how it worked till now.
Just think of S1 (APM: Advance Power Management) as an AT to the power management side of things and S3 (ACPI: Advance Configuration of Power Management Interface) as ATX if your motherboard supports ACPI.
Here is a run down:
S1(POS) or APM: Power On Stand By, your system runs with the exception of the monitor, cpu and hard drive in low power saving mode when you press the PWR button once or if Windows reaches the time you set in Power Management, system resume when the mouse is moved or keyboard is pressed. The system shutdown completely if you press the PWR button for more than 4 seconds.
S3(STR) or ACPI: Suspend to RAM, your system shutdowns down, but power is supplied to your RAM modules when you press the PWR button or if Windows reaches the set time in Power management, system resume from where you left off without rebooting when the PWR is pressed again, gives the apprearance that your system is completely turned off. You can only shutdown system buy using checking "Shut Down" in the Start Shut Down menu.
Anyone try this or have a better explaination ???

Satellite 1900-102: Power Management Utility won't install in XP SP2

Hi,
Wondering if anyone has came across thi problem before:
I had to uninstall the Toshiba power management utility (version 1.3 for Satellite 1900-102 running XP SP2). When I tried to re-install the setup launches and I get a message box saying "Invalid Handle" followed by the error "You cannot install this version of toshiba power management utility to your system" and the setup aborts.
Any help is appreciated.

Hi
Why did you reinstall this utility?
As far as I know on the Toshiba website are to drivers. One for Win2k and one for WinXp.
Did you try to install the right driver?
Check this link:
http://eu.computers.toshiba-europe.com/cgi-bin/ToshibaCSG/download_drivers_bios.jsp
Here you can download the advanced power management
Best regards

Power Managment - SCCM 2012R2

Hi Everyone,
Wow so where to start.. We had a few needs that made us desire enabling Power Management and all the headache that comes with it.
Our environment includes 50 local-MAN sites, and roughly 9.000 employees - with 14,000 laptops/desktops spread out through the area.
There is no "Standard" work hour, yet we estimate 80% work from 7:00AM to 3:00PM.
When we had set the default settings, and some typical (what we though were typical) settings - Sleep after 60Min, Shutdown after 90Min, Wakeup at 7:00AM, etc.
Alot of issues with users arose, some needed VPN, some had DB Servers running, etc
So than we changed it to not sleep (ugh makes me sick to have no sleeping computers) and now people are just closing the lid and its dieing.
Anyone out there have some good settings or advice on Power Management? I don't see any "Advanced" power management module in SCCM for things like CPU sleep, etc.

You can deploy different power settings to different collections - if that helps. You won't find any settings that will fit for each and every computer in a company.
Torsten Meringer | http://www.mssccmfaq.de

Reason for power manager failure?

In the last two weeks my G4 ibook has needed the advanced power manager reset twice. Both times the computer was showing the battery not being charged just before the computer stopped working. Removing the battery and resetting the power manager worked both times, but I'm thinking this is just a symptom of another problem. Any thoughts? Thanks, Craig

HI Vidya,
Go to SM 36.
Check the job log.
If find the reason of Failure, its good or else contact with your basis peer.
Regards,
Anirban

Hal gnome-power-manager hibernate scripts

Hi All,
I'm having issues hibernating to disk using gnome-power-manager. My user is in the "power" group and I can suspend from a terminal using "sudo hibernate". However, when I attempt to hibernate with gnome-power-manager, i recive an error "Hal failed to hibernate - please see FAQ". When I run g-p-m with no-daemon, it gives an "unspecified error: failed to hibernate". I have the necessary hibernate scripts in /usr/share/hal/scripts (is this the default dir?) and the hal-system-power-hibernate looks as follows:
#!/bin/bash
POWERSAVED_SUSPEND2DISK="dbus-send --system --dest=com.novell.powersave \
--print-reply /com/novell/powersave \
com.novell.powersave.action.SuspendToDisk"
unsupported() {
echo org.freedesktop.Hal.Device.SystemPowerManagement.NotSupported >&2
echo No hibernate script found >&2
exit 1
if [ -x "/usr/sbin/hibernate" ] ; then
echo "wtf"
hibernate
RET=$?
else
unsupported
fi
#Refresh devices as a resume can do funny things
for type in button battery ac_adapter
do
devices=`hal-find-by-capability --capability $type`
for device in $devices
do
dbus-send --system --print-reply --dest=org.freedesktop.Hal \
$device org.freedesktop.Hal.Device.Rescan
done
done
exit $RET
Please let me know what I'm missing or what necessary config files need to be tweaked.

Does suspend to RAM work with gnome-power-manager? On my system I installed powersave from unstable, which is the daemon used by SuSE to do suspend to RAM and suspend to disk.

XFCE Power Management

I have the XFCE cpu scaling monitor applet running and I cannot change the CPU governor. If I set it to anything and click close and open it again it is back on performance instead of conservative. I have cpufreq-utils installed and I have edited my rc.conf to have the acpi-cpufreq cpufreq_demand cpufreq_powersave cpufreq_conservative and cpufreq_performance modules to load. How can I get it to save my settings?
Secondly, when I check "Spin down hard disks" in xfce4-power-manager under On Battery and click close then open it again it is unchecked. How can I keep it checked?
Last edited by vlamnire0 (2011-09-22 23:11:44)

It seems fairly obvious that there is a disconnect between your GUI frontend and whatever Xfce uses on the backend to manipulate these settings. However, I don't know if it is a permissions issue or something else. dmesg isn't a boot log, it is an interface for kernel and module messages and is usually a good place for looking when something goes wrong. There are other logs that are more specific in your /var/log directory.
Run dmesg --clear, then perform some of these actions and run dmesg again. This will clear all of the boot messages and leave you with only the messages that occurred after you cleared it.

SATA Device Initiated Power Management (DIPM)

According to the Intel SSD Toolbox, DIPM (SATA Device Initiated Power Management) should be enabled for optimum use with the SSD. How do I enable this functionality on a X201? It's running Win 7 Pro 64-bit. Thanks in advance.

Hi, psuturtle:
Thank you for quick reply. This is the least I want to hear. It seems much on my own.
Googled around found a couple of related topic:
1. http://wdc.custhelp.com/app/answers/detail/a_id/958/~/how-to-enable-and-disable-pm2-%28power-managem...
Basically, WD sata disk is by default disabled with its APM. It instructs to "place a jumper shut on pins 3 and 4", though I haven't tested it. I don't know how windows circumvent this hd option problem though. On the other hand, if the disk is connected to one of the 3 IDE connectors (for optical drives), suspend/hiberate works fine although having slow I/O after resume (I did this with Fedora 14/15 but haven't tried on centos). So I guess it is Marvell Constroller drive might have some unexpected effort here.
Well, thank you anyway.

Power Management for HDD's and screensaver

Hi all
Here some specs of my 'old' trusty sys:
Intel 2.26GHz
1GB DDR
Gfx nVidia V6200
1xATA(Seagate) + 4xSATA(Maxtor's) HDD's in the range of 200-300GB each
Samsung SyncMaster 930BF
LiteOn and NEC DVD/CD reader/writers
The HDD's brings me to a little question, in the past (before ArchLinux) i've used to have power managment to put the 4 SATA HDD's (S.M.A.R.T supported) to sleep after 10 or 15 minutes inactivity or so. Is there something similar for ArchLinux? A GUI for Xfce4 for that kind of power management would be cool but is not nescessary.
And I was thinking of a cool screensaver, any sugestions?
I thank you'll in advance for any suggestions and advices.
Last edited by techkey (2008-07-08 06:32:02)

As for the screensaver, the GLMatrix screensaver is pretty nice if you have direct rendering working.
I think you can use hdparm to enable hard disk power management. It is a CLI-only tool, but why not use CLI? Tbh, it is much easier for me to do configuration stuff in CLI rather than use a GUI for it.

[VIA] KT6 Delta hangs when I install SATA disk

I've had a lot of problems with my PC - maybe related to the mobo, maybe not. I have a KT6 Delta LSR - and was running XP SP2 with a SATA disk on it. Not RAID - just standalone. It ran OK for about 4 months, then it crashed hard. For the last two weeks I'm trying to get my system back, but its not looking good. I think the CPU or mobo overheated - it was running about 62C - then I installed a new CPU fan and tried to render a DVD when it locked up and apparently wrecked my disk. I bought a brand new SATA disk and a new IDE disk. I installed XP fresh on the IDE disk. That runs OK. I removed the "old" disk (4 months old) from the system and installed a brand new SATA disk. But when I install the VIA SATA drivers, XP falls apart. By that I mean it can take up to 45 minutes to boot up (with an Athlon 3000+, 1Gb memory) and it acts VERY sluggish when I do finally get in.
I don't know what to do. I'd like to try to recover data from my "old" disk to the new SATA disk, but the SATA drivers make working in XP impossible. I have bought a new motherboard - an ABIT board that supports SATA, but I hate to go to the trouble of replacing the mobo, if the problem is with SATA. Maybe SATA is not ready for general use yet? Is it still being developed and maybe it is generally unstable? As long as I'm, with IDE, everything seems stable. What should I do to get data off my SATA drive? I'm sorry I ever went SATA, that's for sure. Never again.
Should I install XP on the new SATA drive like I did back in May and see if I can get data off the "old" drive - then maybe copy it to a network location somewhere? I have two fairly new 250 Gb. SATA drives that are basically useless. Unbelievable.

I did not change the CPU. Just the CPU's fan. I did not reset the CMOS after doing that. I have a Thermaltake power supply and 1GB of Corsair DDR 4000 - 2x512mb.
In another post, I found a link to a post at Western Digital where WDC claims that the disk I have is the next generation of SATA and may not be compatible with the chipset in the MSI motherboard. They recommend to jumper two pins on the disk to help out. The only thing is that my WDC disk has been running OK since May and is the one that recently crashed. I bought a Seagate SATA disk to try to restore my system to, but whenever I hook up the Seagate, the system takes over an hour to boot up. Without the Seagate it takes a few minutes. I think that maybe the Seagate is also too new for this motherboard.
I don't know how the consumer is supposed to know if a disk is compatible with a motherboard. I bought a SATA disk to use in a SATA equipped motherboard. Apparently newer versions of SATA are not backwards compatible but there is no easy way to know this in advance or to find out if your disk will work.

Windows 7 - Lenovo N500 Power manager

Hello.
There is avaliable new "System update 4.0" for Windows 7 but it has no support for N500, although "List of Windows 7 upgrade capable systems" has it.
Will there be avaliable Windows 7 drivers, especially power manager, because sleep/hibernate function is the only ones that doesn't behave normally.
Thank you.

Hi,
i'm running Windows 7 64 Bit successfully on my Lenovo N500 4233-77G.
Here some recommendations:
FIRST:
Install the "Intel Chipset Driver for Windows Vista and XP" from the Lenovo Website. It is meant for XP (32 Bit) and Vista (32 Bit and 64 Bit) and runs flawlessly under Win 7 64 Bit. This resulted in a large temperature decrease of the overall components (CPU, HD, graphics) and is definitely HIGHLY RECOMMENDED.
SECOND:
I installed from the Intel website the "Intel Matrix-Storage-Manager" driver for Win 7 64 Bit. Not sure if that helped, but Windows told me afterwards, that it has identified the HD and some SATA Controller. So shouldn't hurt.
You can find it on the intel website by navigating:
chipsets >> notebook chipsets >> intel 4 series express chipset >> driver >> Win 7 64 Bit
THIRD:
Install the Nvidia drivers from the Nvidia website (Win 7 64 Bit again)
FOURTH:
As the system is parking the HD to often (click noise) you should do something against it. Install QuietHDD (http://sites.google.com/site/quiethdd/). The APM setting of 255 is already default and makes the click noise go away. Run that app all the time in the systray. Also this is HIGHLY RECOMMENDED.
With this setting Hibernate (a successful suspend to disk) works also with Win 7 (i think this is due to the intel chipset driver and also the nvidia driver).
Suspending doesn't work normally on this system, also with the drivers listed above. I think it's related to the BIOS, version 1.10 is out and might be tried. It is only for systems without HDMI, and disables HDMI on laptops which have this output. That's the reason why i haven't tried it on my HDMI enabled laptop.
Good luck,
muggy

Difficulty detecting SATA disk, adding a second SATA disk, memory conflict, etc

I resolved the SATA problem in the middle of writing this post, but for others’ benefit in the future, I am still describing it here. But there are still some unresolved problems.
========================================================
I have an Intel P4 2.4 GHz CPU.
My MSI motherboard has the words 865PE Neon 2P on it.
BIOS is AmiBIOS 3.31a.
I cannot tell what display card I have. I do not see any brand printed on the card.
I have an (internal) 37 GB IDE hard disk (I cannot see the brand and I am too lazy to un-mount it) as the C drive.
About 3 years ago I added another internal disk, 150GB Western Digital WD 1600, SATA as the E drive.
I have a copy of Windows XP Pro SP2 on each of these two hard drives but I always boot on C.
I also have 2 DVD drives (Drives D and G) and 6 (2 at the side and 4 at the back) USB ports.
A shop installed everything for me and things have been well. I did not record the BIOS settings so I do not know how it was set up. My nightmare started about 2 weeks ago when my PC suddenly did not detect E, i.e. the SATA drive. I had not done anything to the BIOS setting or otherwise, so I have no idea why the E drive suddenly disappeared.
At that time, the Standard CMOS Features in the BIOS setting was:
Primary IDE Master - Not Installed
Primary IDE Slave - IC35L060AVV207-0
Secondary IDE Master - Pioneer DVD ROM
Secondary IDE Slave - Lite On DVD ROM
Third IDE Master - Not Installed
Third IDE Slave - Not Installed
Fourth IDE Master - Not Installed
Fourth IDE Slave - Not Installed
I tried many things and finally bought a hard disk enclosure and put that SATA in it and connect it to one of the USB ports. It works.
This morning I stumbled on this article "Motherboard can't detect SATA hard disk" at http://forum.msi.com.tw/index.php?topic=119738.0 and also “Q: How to enable both SATA and PATA? “ on “NEO Boards Unofficial FAQ rev 4/05/2004 - two lights on "P" series” at https://forum-en.msi.com/index.php?topic=21469.0 taking about the On-Chip IDE Configuration section of the BIOS menu and I decided to give it a try, so that I can get rid of that hard disk enclosure.
It works, kind of. I saw that it was set to Legacy Mode, P-ATA Only, SATA Keep Enabled=No, PATA Keep Enabled=No, PATA Channel Selection=Both, Combined Mode Option=PATA 1st Channel, SATA Ports Definition= P0-3rd/P1-4th. So following the advice on the article and the FAQ, I reset it to Legacy Mode, P-ATA + S-ATA, SATA Keep Enabled=No, PATA Keep Enabled=No, PATA Channel Selection=Both, Combined Mode Option=PATA 1st Channel, SATA Ports Definition= P0-Master/P1-Slave. Now my PC could detect the SATA drive and set it as the D drive (and the IDE remained as Drive C) but my two DVD ROMs disappeared. The Standard CMOS Features in the BIOS setting was:
Primary IDE Slave - IC35L060AVV207-0
Secondary IDE Master - WDC WD1600JD-00HBB
The rest is Not Installed.
So, I (only) changed Combined Mode Option to SATA 1st Channel. So apparently my PC now booted using the WinXP copy on the SATA disk (recall that I have WinXP on both hard disks). And now the SATA disk is C, and both DVD ROMs are visible. My IDE disk disappeared.
Now I went back to the BIOS menu and switched back to PATA 1st Channel, reset it back to P-ATA Only, and changed SATA Keep Enabled=Yes. Voila. Now I can see my IDE disk as Drive C, SATA disk as Drive D, the two DVD ROMs as Drives E and G. Everything looks fine except that some of the start-up programs no longer start up apparently because their paths used to be E:\.... but now the disk they are on was renamed from E to D so the operating system cannot locate them. And the Standard CMOS Features menu reads:
Primary IDE Master - Not Installed
Primary IDE Slave - IC35L060AVV207-0
Secondary IDE Master - Pioneer DVD ROM
Secondary IDE Slave - Lite On DVD ROM
Third IDE Master - Not Installed
Third IDE Slave - Not Installed
Fourth IDE Master - WDC WD1600JD-00HBB
Fourth IDE Slave - Not Installed
Problem 1 (the main problem): Difficulty detecting SATA disk – Resolved. If anyone is kind enough, maybe you can tell me and others why suddenly the BIOS setting was changed by itself causing all these problems, and why “P-ATA Only, SATA Keep Enabled=Yes” works but “P-ATA + S-ATA, SATA Keep Enabled=No” does not. Should I now tweak the Windows registry to change the drive letter of the SATA disk from D to E?
Problem 2: I just bought an internal Hitachi Deskstar 640GB SATA disk. And I have a vacant orange SATA connector on my mobo. Can I add it together with the existing 2? Would it be set up as Third IDE Master, Fourth IDE Slave, or something else?
Problem 3: I used to have a Samsung DDR PC2700 512MB memory module and during the last week I added a Corsair DDR PC3200 1GB memory module, both on the green slots (not the purple slots). It caused my PC to freeze (keyboard and mouse not responsive) every now and then. So I pulled out the Samsung one and it has been working fine. Some said one has to use memory from the same manufacturer with the same size and same everything. The sticky thread titled “NEO Boards Unofficial FAQ rev 4/05/2004 - two lights on "P" series” in this forum has a question “I have this RAM xxxx but it does not work with my board. Can MSI update the BIOS to fix this?” and the answer points to a Product Info page and I don’t know where that is. Any advice on how to make both work together? Can I use the purple slots?
Problem 4: The “usable” space on my Dell M991 CRT monitor has shrunk. That is, the black areas on both sides, mostly RHS, have intermittently enlarged. It only happened in these 2 weeks. I tried Control Panel – Display – Settings – Advanced – Displays – Adjustments to no avail. I don’t have another monitor to try in order to test whether it has to do with the CRT. Just in case you happen to know anything, please jot a line.
Problem 5: Some of my USB ports do not work or only work intermittently. For example I plugged in my wireless adaptor into one of them and it sometimes would say “USB Device Not Recognized”.

Quote
If anyone is kind enough, maybe you can tell me and others why suddenly the BIOS setting was changed by itself causing all these problems, and why “P-ATA Only, SATA Keep Enabled=Yes” works but “P-ATA + S-ATA, SATA Keep Enabled=No” does not.
Maybe your CMOS Battery is running low and it is time to replace it.
Quote
Should I now tweak the Windows registry to change the drive letter of the SATA disk from D to E?
Try to change drive letters via the Windows Drive Manager:
http://www.mvps.org/marksxp/WindowsXP/driveltr.php
Quote
Problem 2: I just bought an internal Hitachi Deskstar 640GB SATA disk. And I have a vacant orange SATA connector on my mobo. Can I add it together with the existing 2?
If it is a SATA-II Drive, you will probably have to force it into SATA-I Compatibility mode first (check the hard drive user manual for jumper settings or firmware switches).
Quote
I used to have a Samsung DDR PC2700 512MB memory module and during the last week I added a Corsair DDR PC3200 1GB memory module, both on the green slots (not the purple slots). It caused my PC to freeze (keyboard and mouse not responsive) every now and then. So I pulled out the Samsung one and it has been working fine. Some said one has to use memory from the same manufacturer with the same size and same everything.
Exactly. Mixing different memory modules causes problems in many cases because the exact same settings will apply to both modules at the same time. What works for the one module may not work so well for the other one.
Quote
Just in case you happen to know anything, please jot a line.
That is either related to the monitor itself or to the video card. It may also be related to a problem with the driver or improper screen resolution settings.
Quote
Problem 5: Some of my USB ports do not work or only work intermittently. For example I plugged in my wireless adaptor into one of them and it sometimes would say “USB Device Not Recognized”.
What ports? Front Panel or Back Panel?

I have an iMac G4 PowerPC with OS 10.5.? The OS10.5.8 update failed. Now get blue screen and error-can't find Intel Power Manager. What now??

I have an iMac G4 PowerPC with OS 10.5.? After deleting 17G of music files to make room on the 74G drive, The iPhoto and iWeb updates seemed to load okay, but the OS 10.5.8 update failed - message opened said the computer encountered an error and must shut down. Now I get the blue screen. Startup with 'V' pressed shows multiple lines saying: error-can't find IntelCPU Power Manager. What now?? I reset PRAM, I think.....?????

I am concerned that you might have applied a system updated intended for an Intel iMac, while you have a PPC (non-Intel) iMac. Your PPC OS should not be looking for an "IntelCPU Power Manager."
Have you tried booting from the 10.5 install DVD/CD and repairing the hard drive, plus repairing permissions?
If you done the repairs mentioned above, and your problem still persists, you can also try doing a safe boot. (see http://support.apple.com/kb/HT1455 ) Then, if none of these things worked, if I were in your shoes (it's hard to diagnose these things without being there in person) I would first check that there is adequate disk space, then I would boot from the 10.5 DVD/CD install disk and reinstall the operating system. There is an option to do an archive and install preserving user files/settings, that would be the option you want, as it will save your files but install a new OS. Make sure you have a good backup of your files first. If you do not have one, use "target mode" to copy all your files before embarking on an new OS install. Assuming that you do succeed with this install, then use Software Update to get the right updates for your iMac.

Power Mac G5 DP1.8GHz - Bad Logic Board or Power Management Issue?

I have a Power Mac G5 DP1.8GHz/1.5GB/80GB which I bought non-working. It has not yet been disassembled or examined by a certified tech. This is it's issue (which replicates): the computer powers on. It makes a single warning tone, then the LED flashed at least 15 times (too fast to count). Then the posting chord is heard. Hard drive spins up. Then nothing (no video). Won’t boot from any disk. I have changed the RAM and tested the RAM banks with known-to-be-good RAM from another DP1.8GHz G5. The warning tone stopped once or twice after this switch, but then it didn’t chime. I changed the PRAM battery, but not with as new one. However, after installing the used one and then resetting the PMU, it displayed video briefly for the first time. While installed in the other 1.8GHz G5, the hard drive was formatted, given a clean install of OS X 10.4.11, and then moved into this computer where is never mounts. The computer is not accessible through TDM.
Do I have a bad logic board? Bad CPUs? A power managment issue? A RAM issue?

Through my own trial and error troubleshooting, I have found the CPUs to be in good working order and the logic board passes the Apple Service Diagnostic every time. Despite the installation of numerous pairs of modules that worked in another DP1.8GHz, the computer has a RAM issue-it gives the "no good RAM" tone most of the time when it powers up (after a PMU reset it does not). Also the computer boots from disk or into Open Firmware but the disk utility can't see either hard drive so I may have a bad SATA controller.

D20 sata disk support advanced power management

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