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Windows 7: Slow dvd read speed in windows 7

06 Apr 2010   #11
Night Hawk

W7 Ultimate x64/W10 Pro x64 dual boot main build-remote pc W10 Pro x64 Insider Preview/W7 Pro x64
 
 

I rarely flash any hardware especially any optical drives since they are simply easier to replace IF they don't seem upto par! like one model replaced on the present build that suddenly started making grinding sounds after it would no longer allow booting from any disk. Not worth the time fussing with any flashing.

Lately someone experienced even trashed his own main board with a bad flash! It shows how easy that can happen to anyone even when you take precautions. The method for the board here still sees an EZ Flash while the tool you can download is still the old type dos rename bin type. awdflash at own risk!


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07 Apr 2010   #12
januaryabc

windows 7
 
 

I checked with the firmware version and it is already the newest one. I also tried to close the anti-virus during the transfer and situation did not improve. Actually I think if anti-virus has such big impact then the same should happen in the file transfer between harddisks where now have no problem at all.
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07 Apr 2010   #13
Night Hawk

W7 Ultimate x64/W10 Pro x64 dual boot main build-remote pc W10 Pro x64 Insider Preview/W7 Pro x64
 
 

What you are seeing there with the larger files being copied to the hard drive is similar to what is seen when going to burn a data or video dvd. But instead of a good load being placed on the cpu it's on the main explorer.exe process in Windows.

Instead of cpu time for feeding data through the lazer on the drive in the write process this is a reverse copy/transfer tying up W.Explorer for the most part.

Actually this is quite normal to see since HD to HD transfers are generally seen on the same bus like either two ide or two sata HDs with read/write heads while the optical drive uses a lazer lens to read from removable media then to the ide or sata bus. A two step rather then one step process overall.

One reason I run two storage drives here is save on time as well as backup the backup simply by copying or moving files from one drive to the next over the slower process of reading from removable sources. A few periodic data dvds are seen here to avoid a mountain of disks to go through!
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05 Jan 2011   #14
sparky123

win 7 64bit
 
 
Re slow CD rom read

I think this is being worked on by microsoft at the moment
try this work around,go to control panel>Administrative Tools>Services,find windows search,right click turn it off and disable it. (this can speed up read from disk)

To disable Remote Differential Compression
1. Click Start>control panel>programs>turn windows features on or off
2. Uncheck "Remote Differential Compression" and click ok.
3. Restart the computer you should see an improved performance with copying files.
My System SpecsSystem Spec
05 Jan 2011   #15
logicearth

Windows 10 Pro (x64)
 
 

Quote   Quote: Originally Posted by sparky123 View Post
To disable Remote Differential Compression
1. Click Start>control panel>programs>turn windows features on or off
2. Uncheck "Remote Differential Compression" and click ok.
3. Restart the computer you should see an improved performance with copying files.
Sorry, but Remote Differential Compression is for network services, and is only used by those services that make use of it. Only Offline Files does at this point and time. You will not see any improvement in performance concerning files.

Further more, to the OP. I don't know where you get the 1 GB takes 1 minute observation but pushing 1 GB from a optical disk to an HDD in 1 minute is not realistic. Optic drives are so slow compared to everything else, they can barely fill a SATA 1 connection. It also depends greatly on how the file is written to the disc.
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 Slow dvd read speed in windows 7




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