Compaq 8510w, poor SSD performance

Something seems to be limiting my read performance with a SSD installed. Running Windows 7 (64-bit), with the latest BIOS, Intel Driver INF and SSD Toolbox (for TRIM). Drive is Intel X25-M G2 80GB, spec-ed at ~250MB/s for sequential writes. Benchmarks tested include HD Tune, HD Tach, ATTO, Datamarck and DiskMark. All show around 55MB/s sequential read with W7 resource monitor confirming that throughput.
I have found articles online describing "poor SSD" performance due to either running SATA-I vs. SATA-II or AHCI vs. IDE. The drive is running IDE (UDMA-5) and SATA-II. What is described as poor performance is 225MB/s for IDE vs. UHCI and 175MB/s for SATA-I vs. SATA-II. No where near the performance I see.
I have also run across posts mentioning that the 8510w utilizes a bridge for IDE to SATA. If this is the case, the bridge could be the culprit. Any insight would be appreciated.

Hi doasc,
I just re-imaged my 8510w to Windows 7 onto a Kingston SSDNow V Series 128 GB drive.
I was quite silly and did not run HD Tune before enabling the employer mandated McAfee Endpoint Encryption whole disk encryption.
I get 60MB/sec in HD Tune with the disk encrypted - and you are likely quite correct about getting better results without disk encryption enabled and I wish I had tested it that way first.
/dan

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[SOLVED] Poor SSD Performance, Low Buffered Disk Reads

Hello. Today, I ran hdparm -t and noticed unusually low performance:
/dev/sdb:
Timing buffered disk reads: 342 MB in 3.00 seconds = 113.85 MB/sec
This is on a Samsung 840 EVO with an FX-8320 4.5ghz. Testing /dev/sda, my mechanical hard drive, gives me nearly identical results, which makes pretty much no sense. I ran this about a week ago, and got numbers around 520 MB.
I am using the BFQ scheduler and the Linux-ck kernel. I tried other IO schedulers, but only gotten worsened performance.
The only thing I can think of that I've changed recently was from the performance to ondemand CPU governor. Could that have caused this?
Any help would be appreciated. I am using UEFI/GPT. uname -a:
Linux msw1 3.13.11-2-ck #1 SMP PREEMPT Fri Apr 25 20:19:47 PDT 2014 x86_64 GNU/Linux
EDIT:
Now solved! It turns out the 840 EVO with its TLC NAND is an odd SSD, and that the alignment needs to be a multiple of 1.5.
Last edited by msw1 (2014-05-01 21:28:31)

supermariolinux wrote:
I have the same SSD(840 EVO) as you do and i am getting similar results with hdparm -t, although i thought this had something to do with the fact that my SSD is only connected to SATA 2.
Partitions are aligned and manually trimming the partition doesn't seem to change anything.
I noticed there is new firmware update available on Samsung's website(You can boot from a CD with the ISO without having to use Windows), unfortunately i cannot get it to work as the program just crashes.
Using the standard 3.14.1-1 x86-64 kernel with default cfq scheduler
EDIT: It appears i already have the latest firmware installed, still i recommend checking with
hdparm -i /dev/sdX | grep FwRev
and seeing if new firmware is availbe here: http://www.samsung.com/global/business/ … oads.html#
hparm -t results:
/dev/sdc:
Timing buffered disk reads: 368 MB in 3.01 seconds = 122.36 MB/sec
I do have the latest firmware. As for you, it could be SATA2. I, however, have this connected to a SATA3 controller. As I said, this used to get 500+ easily. Now, it's more like 80.
gedgon wrote:I had exactly the same issue with my EVO when it was not aligned to EBS. It's 1536 KiB or 2048 KiB (depending of source), so it's safe to set the sector alignment value to 12288 (6144 KiB), multiple of 1536 KiB and 2048 KiB.
I wish this solved it. However, I still get the same result:
sudo blockdev --getalignoff /dev/sdb
0

Poor graphics performance.

Hi.
Include your product name and specs such as processor speed, memory, and storage capacity. Please do not include your Serial Number, IMEI, MEID, or other personal information.
Macbook Pro retina (early 2013)
2.7 GHz Intel Core I7
16GB 1600 MHz DDR3
NVIDIA GeForce GT 650M 1024 MB
512 GB SSD
Provide the version numbers of your operating system and relevant applications, for example "iOS 6.0.3" or "iPhoto 9.1.2".
OS X 10.9.3 (13D65)
Describe the problem, and include any details about what seems to cause it.
My rMBP has poor graphical performance compared to other rMBP. I think there might be something wrong inside it. Appstore or Steam games for Mac (Bioshock Inf and Max Payne 3) at lowest graphical settings will give me between 5-10FPS. I think this might be weird for such a well specced computer.
List any troubleshooting steps you've already tried, or temporary fixes you've discovered.
Formatting, bootcamp with Win7, Updating to mavericks, stopping apps, Reset SMC.
Nothing has worked yet. I don't play games often, but since i first started trying a few times last year, i've noticed that it's almost impossible,

You should be getting more FPS. Do you have switched graphic card option on or off in the energy saving section?

I have recently upgraded my ipad mini to iOS 6.0.2 and still have poor wifi performance. My 3rd generation ipad works great on the same network. I have done all the resets I can think of but nothing helps. I would not have purchased the mini had I known.

On the same wifi network, third generation ipad, iphone4s and MacBook Pro work just fine. The ipad mini often can not connect with the mail server and seems to hang a long time trying to open a web page. Had I known the mini had this kind of difficulty on wifi, I would have reconsidered my purchase. I have tried resetting the network and renewing the lease on the mini in addition. To completing the most current iOS upgrade. Still poor wifi performance. Unacceptable, in my opinion.

Yes I tried this manyfold. But did not work. Reading on, I took Tesserac's advice. Shut down router and computer.
Start router after 15 minutes and wait another 10 minutes before starting the computer.
Et voila.... everything is back in working order,
Regards form Curacao, Dutch Caribean.
Pete van Linden

[SOLVED] Poor 2D performance of Radeon 7200 with newest xf86-video-ati

Today arrived new version (6.12.99) of ATI OSS driver (also new version of ati-dri 7.6, mesa 7.6 and xorg-server 1.7.1) Since that moment I'm experiencing poor 2D performance, especially in GIMP (scrooling of zoomed canvas). Also switching of virt. desktop where is bloated Java app. or fat Firefox instance result in poor render of screen (program renders by parts/semiwindows).
Here is some relevant infoozzzz:
lspci
02:00.0 VGA compatible controller: ATI Technologies Inc Radeon R100 QD [Radeon 7200]
pacman -Syu
[2009-11-02 08:52] synchronizing package lists
[2009-11-02 08:53] starting full system upgrade
[2009-11-02 09:00] removed gnome-mount (0.8-1)
[2009-11-02 09:00] upgraded libdrm (2.4.13-1 -> 2.4.15-1)
[2009-11-02 09:00] upgraded libx11 (1.2.2-1 -> 1.3.2-1)
[2009-11-02 09:00] upgraded xextproto (7.0.5-1 -> 7.1.1-1)
[2009-11-02 09:00] upgraded libxext (1.0.5-2 -> 1.1.1-1)
[2009-11-02 09:00] upgraded libxxf86vm (1.0.99.1-1 -> 1.1.0-1)
[2009-11-02 09:00] upgraded fixesproto (4.0-3 -> 4.1.1-1)
[2009-11-02 09:00] upgraded libxfixes (4.0.3-2 -> 4.0.4-1)
[2009-11-02 09:00] upgraded libxdamage (1.1.1-2 -> 1.1.2-1)
[2009-11-02 09:00] upgraded libgl (7.5.1-2 -> 7.6-2)
[2009-11-02 09:00] upgraded ati-dri (7.5.1-2 -> 7.6-2)
[2009-11-02 09:00] upgraded bash (4.0.033-1 -> 4.0.035-1)
[2009-11-02 09:00] upgraded dbus-glib (0.82-1 -> 0.82-2)
[2009-11-02 09:00] upgraded gstreamer0.10 (0.10.24-1 -> 0.10.25-1)
[2009-11-02 09:00] upgraded libxv (1.0.4-1 -> 1.0.5-1)
[2009-11-02 09:00] upgraded gstreamer0.10-base (0.10.24-1 -> 0.10.25-1)
[2009-11-02 09:00] upgraded libtheora (1.0-1 -> 1.1.1-1)
[2009-11-02 09:00] upgraded gstreamer0.10-base-plugins (0.10.24-1 -> 0.10.25-1)
[2009-11-02 09:00] upgraded gstreamer0.10-python (0.10.16-1 -> 0.10.17-1)
[2009-11-02 09:00] upgraded exaile (0.3.0.1-2 -> 0.3.0.1-3)
[2009-11-02 09:00] upgraded libxt (1.0.6-1 -> 1.0.7-1)
[2009-11-02 09:00] upgraded xulrunner (1.9.1.3-2 -> 1.9.1.4-1)
[2009-11-02 09:00] upgraded firefox (3.5.3-1 -> 3.5.4-1)
[2009-11-02 09:00] upgraded gnome-disk-utility (2.28.0-1 -> 2.28.0-2)
[2009-11-02 09:00] upgraded gnutls (2.8.3-1 -> 2.8.4-1)
[2009-11-02 09:00] upgraded gstreamer0.10-ffmpeg (0.10.8-1 -> 0.10.9-1)
[2009-11-02 09:00] upgraded inputproto (1.5.1-2 -> 2.0-1)
[2009-11-02 09:00] upgraded kernel-headers (2.6.31.4-1 -> 2.6.31.4-2)
[2009-11-02 09:00] upgraded libatasmart (0.16-1 -> 0.17-1)
[2009-11-02 09:00] upgraded libdmx (1.0.99.1-1 -> 1.1.0-1)
[2009-11-02 09:00] upgraded libgksu (2.0.8-1 -> 2.0.12-1)
[2009-11-02 09:00] upgraded libgphoto2 (2.4.6-3 -> 2.4.7-1)
[2009-11-02 09:00] upgraded libgsf (1.14.15-1 -> 1.14.16-1)
[2009-11-02 09:00] upgraded libldap (2.4.18-1 -> 2.4.19-1)
[2009-11-02 09:00] upgraded libmpcdec (1.2.6-1 -> 1.2.6-2)
[2009-11-02 09:00] upgraded libsexy (0.1.11-1 -> 0.1.11-2)
[2009-11-02 09:00] upgraded libusb1 (1.0.1-1 -> 1.0.3-1)
[2009-11-02 09:00] upgraded libxmu (1.0.4-2 -> 1.0.5-1)
[2009-11-02 09:00] upgraded libxpm (3.5.7-2 -> 3.5.8-1)
[2009-11-02 09:00] upgraded libxaw (1.0.6-1 -> 1.0.7-1)
[2009-11-02 09:00] upgraded libxcomposite (0.4.0-2 -> 0.4.1-1)
[2009-11-02 09:00] upgraded libxdmcp (1.0.2-2 -> 1.0.3-1)
[2009-11-02 09:00] upgraded libxfont (1.4.0-1 -> 1.4.1-1)
[2009-11-02 09:00] upgraded libxfontcache (1.0.4-2 -> 1.0.5-1)
[2009-11-02 09:00] upgraded renderproto (0.9.3-2 -> 0.11-1)
[2009-11-02 09:00] upgraded libxrender (0.9.4-2 -> 0.9.5-1)
[2009-11-02 09:00] upgraded libxft (2.1.13-1 -> 2.1.14-1)
[2009-11-02 09:00] upgraded libxi (1.2.1-1 -> 1.3-2)
[2009-11-02 09:00] upgraded libxinerama (1.0.99.1-1 -> 1.1-1)
[2009-11-02 09:00] upgraded libxkbfile (1.0.5-1 -> 1.0.6-1)
[2009-11-02 09:00] upgraded libxres (1.0.3-2 -> 1.0.4-1)
[2009-11-02 09:00] upgraded libxtst (1.0.3-2 -> 1.1.0-1)
[2009-11-02 09:00] upgraded libxvmc (1.0.4-2 -> 1.0.5-1)
[2009-11-02 09:00] upgraded libxxf86dga (1.1.1-0.1 -> 1.1.1-1)
[2009-11-02 09:00] upgraded libxxf86misc (1.0.1-2 -> 1.0.2-1)
[2009-11-02 09:00] upgraded mesa (7.5.1-2 -> 7.6-2)
[2009-11-02 09:00] upgraded nautilus (2.28.0-1 -> 2.28.1-1)
[2009-11-02 09:00] upgraded nspr (4.8-1 -> 4.8.2-1)
[2009-11-02 09:00] upgraded openssh (5.3p1-1 -> 5.3p1-2)
[2009-11-02 09:00] upgraded pcre (7.9-1 -> 8.00-1)
[2009-11-02 09:00] upgraded sg3_utils (1.27-2 -> 1.28-1)
[2009-11-02 09:01] upgraded shared-mime-info (0.70-1 -> 0.70-2)
[2009-11-02 09:01] upgraded tightvnc (1.3.10-2 -> 1.3.10-3)
[2009-11-02 09:01] upgraded virtualbox-modules (3.0.8-1 -> 3.0.10-1)
[2009-11-02 09:01] upgraded virtualbox-ose (3.0.8-1 -> 3.0.10-1)
[2009-11-02 09:01] upgraded vte (0.22.2-1 -> 0.22.3-1)
[2009-11-02 09:01] upgraded xf86-input-evdev (2.2.5-1 -> 2.3.0-1)
[2009-11-02 09:01] upgraded xf86-video-ati (6.12.4-1 -> 6.12.99.git20091014-1)
[2009-11-02 09:01] upgraded xf86-video-vesa (2.2.0-1 -> 2.2.1-1)
[2009-11-02 09:01] upgraded xorg-apps (7.5-1.1 -> 7.5-2)
[2009-11-02 09:01] upgraded xorg-font-utils (7.4-3 -> 7.5-2)
[2009-11-02 09:01] upgraded xorg-fonts-alias (1.0.1-2 -> 1.0.2-1)
[2009-11-02 09:01] Regenerating font encodings... done.
[2009-11-02 09:01] upgraded xorg-fonts-encodings (1.0.2-3 -> 1.0.3-1)
[2009-11-02 09:01] upgraded xorg-server-utils (7.4-7 -> 7.5-3)
[2009-11-02 09:01] upgraded xorg-server (1.6.3.901-1 -> 1.7.1-1)
[2009-11-02 09:01] upgraded xorg-utils (7.4-4 -> 7.5-1)
[2009-11-02 09:01] upgraded xorg-xauth (1.0.3-1 -> 1.0.4-1)
[2009-11-02 09:01] upgraded xorg-xkb-utils (7.4-2 -> 7.5-1)
[2009-11-02 09:01] upgraded xterm (246-1 -> 250-1)
cat /etc/X11/xorg.conf
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
ModulePath "/usr/lib/xorg/modules"
FontPath "/usr/share/fonts/misc"
FontPath "/usr/share/fonts/100dpi:unscaled"
FontPath "/usr/share/fonts/75dpi:unscaled"
FontPath "/usr/share/fonts/TTF"
FontPath "/usr/share/fonts/Type1"
EndSection
Section "Module"
Load "glx"
Load "dri"
Load "drm"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5 6 7"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "LTN"
ModelName "H1996NSL/PNST"
HorizSync 30.0 - 96.0
VertRefresh 50.0 - 160.0
Option "DPMS"
EndSection
Section "Device"
#Option "NoAccel" # [<bool>]
#Option "SWcursor" # [<bool>]
Option "AGPMode" "4" # 
#Option "AGPFastWrite" # [<bool>]
#Option "AGPSize" # 
#Option "GARTSize" # 
#Option "RingSize" # 
#Option "BufferSize" # 
#Option "EnableDepthMoves" # [<bool>]
Option "EnablePageFlip" "on" # [<bool>]
#Option "NoBackBuffer" # [<bool>]
#Option "DMAForXv" # [<bool>]
#Option "FBTexPercent" # 
#Option "DepthBits" # 
#Option "PCIAPERSize" # 
#Option "AccelDFS" # [<bool>]
#Option "IgnoreEDID" # [<bool>]
#Option "DisplayPriority" # [<str>]
#Option "PanelSize" # [<str>]
#Option "ForceMinDotClock" # <freq>
Option "ColorTiling" "on" # [<bool>]
#Option "VideoKey" # 
#Option "RageTheatreCrystal" # 
#Option "RageTheatreTunerPort" # 
#Option "RageTheatreCompositePort" # 
#Option "RageTheatreSVideoPort" # 
#Option "TunerType" # 
#Option "RageTheatreMicrocPath" # <str>
#Option "RageTheatreMicrocType" # <str>
#Option "ScalerWidth" # 
Option "RenderAccel" "on" # [<bool>]
#Option "SubPixelOrder" # [<str>]
#Option "ShowCache" # [<bool>]
#Option "DynamicClocks" # [<bool>]
#Option "VGAAccess" # [<bool>]
#Option "ReverseDDC" # [<bool>]
#Option "LVDSProbePLL" # [<bool>]
#Option "AccelMethod" # <str>
Option "DRI" "on" # [<bool>]
#Option "ConnectorTable" # <str>
#Option "Int10" # [<bool>]
#Option "EXAVSync" # [<bool>]
Identifier "Card0"
Driver "radeon"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
SubSection "Display"
Viewport 0 0
Depth 24
Modes "1280x1024"
EndSubSection
EndSection
Section "DRI"
Group "video"
Mode 0666
EndSection
glxinfo
http://pastebin.com/f71f5461c
BTW I'm not using Compiz. Has anyone an idea what could happen? In Glxgears I'm achieving 1200fps, but working with GIMP is laggy-horror.
THX.
Last edited by Srigi (2009-11-04 07:27:45)

exactly the same here...
01:00.0 VGA compatible controller: ATI Technologies Inc RV350 [Mobility Radeon 9600 M10]
glxinfo: http://pastebin.com/m75fc2c9
Xorg.0.log: http://pastebin.com/m267826b1
xorg.conf: http://pastebin.com/m75c033c2
greets,
smax

HP Compaq 8510w BIOS Update failed, stuck in bootloop.

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****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
2015 Microsoft MVP - Windows Experience Consumer

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Hi Welcome to the community forums
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IPhone 4S Poor Battery Performance SOLVED!!

iPhone 4S Poor Battery Performance SOLVED!!
I found the issue with the iPhone 4S battery performance.
I bought 2 iPhone 4S models on the first day. One for my wife and one for me. The strange thing was that mine would kill the battery in 4-6 hours and ran VERY WARM to the touch. My wife's phone worked great. It was cold to the touch. She would forget to charge it at night... and the battery performance was great... even better than our prior 3GS models.
What was the difference? I have my phone connected to Exchange for my corporate email. But exchange is not exactly the problem. The issue is in Notification Center. For some reason, I had hundreds of calendar reminders that kept refreshing on notification center. Furthermore, the reminders would flicker between the time remaining and the start time for the event at such a fast rate that it could not be read... (clearly a bug)
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So, it appears that Notification Center has an endless loop in collecting the calendar events from Exchange and this is burning up our 4S batteries. Once you stop the madness from Notification Center, your iPhone 4S will perform as advertised.
Enjoy!
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TimothyW wrote:
iPhone 4S Poor Battery Performance SOLVED!!
I found the issue with the iPhone 4S battery performance.
I bought 2 iPhone 4S models on the first day. One for my wife and one for me. The strange thing was that mine would kill the battery in 4-6 hours and ran VERY WARM to the touch. My wife's phone worked great. It was cold to the touch. She would forget to charge it at night... and the battery performance was great... even better than our prior 3GS models.
What was the difference? I have my phone connected to Exchange for my corporate email. But exchange is not exactly the problem. The issue is in Notification Center. For some reason, I had hundreds of calendar reminders that kept refreshing on notification center. Furthermore, the reminders would flicker between the time remaining and the start time for the event at such a fast rate that it could not be read... (clearly a bug)
What is the solution? Go to Settings>Notifications>Calendar and disable Notification Center. You can still have the "alert style" set to Banners, or Alerts and you will still receive notices about your events, but it will not BUILD a summary in the Notification Center drop down screen. This is where the BUG exists. [Oddly, this does not affect my iPad 2, but is an issue for iOS 5 on the iPhone (different builds, maybe?)]
So, it appears that Notification Center has an endless loop in collecting the calendar events from Exchange and this is burning up our 4S batteries. Once you stop the madness from Notification Center, your iPhone 4S will perform as advertised.
Enjoy!
Tim
Check this out. They are stumpped:
http://www.guardian.co.uk/technology/2011/oct/28/iphone-4s-battery-apple-enginee rs

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In our DEV BW, it ran 8 min for 12,000 records. We have even worse performance in test box.
Initial loads then run very long since DataSource 0TCT_DSA1 does not allow us to load by calendar month.
If you have seen this issue, please let me know.
Jay Roble
General Mills

Compressing the cube would not help, since the cube is empty & we are trying to load 90 days of history.
The source table has an index on the timestamp field that the extractor uses in it's delta loads.
The loads run very slow, even with index dropped & no PSA.
We know that in production there will be appx rows 400,000 loaded 14,400 added with daily delta loads due to aggregation.
So we are seeing slow delta loads in our QA testing.
Not sure why the extractor can't just deliver the 14K aggregated rows vs. 400K.
Note: DS 0TCT_DSA1 has no selction criteria when doing initial full loads.

Very poor network performance with a G4

I have a white & grey G4 (1.25GHz and 256MB) running OS X 10.4.5. It's exhibiting very poor network performance, e.g. it will not FTP files over a LAN at more than about 40KB/second.
Other nodes on the same switch perform fine, as do other ports on the switch. The machine is set to autodetect for speed & duplex, so my question is -- how do I debug this? I've tried swapping network cables already...
Thanks!
Chris

This came down to an incompatibility between the G4 and the Cisco. When the switch is set to force 100Mbit but negotiate duplex, the G4 doesn't like it. Going back to auto speed & duplex fixed the problem...

Poor graphics performance over time

I've seen an issue ever since upgrading to Lion where after some period of time (haven't nailed down how long, but measured in hours) 3D game performance suffers greatly (60+fps down to 12fps). Rebooting fixes the issue until it sits long enough.
The drop doesn't seem to happen mid-game... only after leaving for a while and returning to the computer. I've run all the usual diagnostics. The iMac does not "sleep" during that time (i have it set to always on). During the performance slow down, all system stats look normal: no spikes in CPU usage, memory usage, etc. All internal temperatures report out normal as well. No other hardware or software changes other than the Lion upgrade. When the FPS slow down is occuring, all system animations also suffer (sliding in Dashboard, Dock magnification, etc). Quit the game and the system animations come back to full speed.
The game I play most often's technical support is worthless (i'm looking at you Blizzard), so I'm hoping someone else has run in to this issue, or that an actual support person can help without telling me to run a permissions check.
Thanks!

FromPC2Mac wrote:
I just bought this MacBook Pro the 26th and it came with Leopard. After installing XP on the system, I can't get over the fact of the poor graphics performance. Even moving windows would result in a bad frame rate. Obviously, this is caused by a lack of "good" drivers for the GeForce 8600M GT. The drivers from Nvidia aren't working, so either this is the best of Windows I'm getting on this system or there's some sort of driver that I haven't heard of. Does anyone have any insight on this?
First off... Congrats on buying a MBP!
You might be interested in this thread:
http://discussions.apple.com/thread.jspa?threadID=1200236&tstart=0
Hopefully this will help.
Good luck.

Poor Network Performance from VPN sites

We are experiencing poor network performance when connecting from hardware VPN sites. VPN sites have Cisco Hardware VPN client 3002 which terminates to Cisco 3005 VPN concentrator. Geting upload/download speeds of 355/484kbsp from VPN to surewest.com. If I remove the VPN and connect laptop directly to dsl modem, speeds are 3mb up and 1mb down. Any ideas what could be causing this?

Try this
Adjust the MTU and MSS size in concentrator and client.
Try these link for more info:
http://www.cisco.com/en/US/products/hw/vpndevc/ps2284/products_configuration_guide_chapter09186a008015ce0e.html#1223423
http://www.cisco.com/en/US/products/hw/vpndevc/ps2286/products_user_guide_chapter09186a00803ef6c5.html

Compaq 8510w, poor SSD performance

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