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Windows 7: SATA AHCI Controller, IDE DVD RW slow speed

27 Aug 2012   #1
billgw

Windows 7 32bit
 
 
SATA AHCI Controller, IDE DVD RW slow speed

I have 2 IDE DVD drives (TEAC DV-W516D DVD/CD ReWriter, and TSSTcorp DVD-ROM SH-D162C DVD/CD Reader). Teac is capable of 16X DVD writting. My motherboard Gigabyte Z77-D3H has only SATA II/III slots. So I connected each IDE optical drive to motherboard's SATA II slot(s) using IDE to SATA I adapters (1 adapter per optical drive). Windows 7 Ultimate 32bit is running, and SATA AHCI is being used.

My question:

SATA I = 1.5Gbps = 187.5MB/s (adapter capability) is faster then DVD 16X writting = 177.28Mbps = 22.16MB/s.
TDK DVD+R disks tested OK (on other PC) for 16X capability.
Why is Nero reporting of only 2.4X and 4X writting speeds?


My System SpecsSystem Spec
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27 Aug 2012   #2
bassfisher6522

Windows 7 Ultimate 64 bit
 
 

I believe ACHI mode is used for a RAID setup. You can only run in either mode not both. That might be a large part of your problem. Try switching back to SATA mode.
My System SpecsSystem Spec
28 Aug 2012   #3
billgw

Windows 7 32bit
 
 

There is no SATA mode. SATA & IDE are interfaces. (like slots. motherboard's slots can not be changed)
SATA has Sata IDE and Sata AHCI modes. AHCI has speed related advantages, like NCQ (Native Command Queuing).

Can anyone help?
My System SpecsSystem Spec
.


28 Aug 2012   #4
UnknownReverent

MS Windows 7 Professional 64-bit SP1
 
 

Quote   Quote: Originally Posted by billgw View Post
There is no SATA mode. SATA & IDE are interfaces. (like slots. motherboard's slots can not be changed)
SATA has Sata IDE and Sata AHCI modes. AHCI has speed related advantages, like NCQ (Native Command Queuing).

Can anyone help?
Since you're using an adaptor to run them on SATA it may not be viewing them for the full write capability. They're not plugged into an IDE, but rather a SATA with an adaptor. The adaptor may be slowing down the drive a bit because it has to go through a different interface. I'm not entirely sure, but that's just a possibility I could think of. You may want to wait for someone else that knows a bit more than I do to be sure.
My System SpecsSystem Spec
29 Aug 2012   #5
billgw

Windows 7 32bit
 
 

When I was using this DVD writter on IDE interface (IDE slot on older motherboard), Nero used to disappear from me the high speed writting options occasionally, but I could reset it, by changing PIO mode to DMA mode (DMA reverts to PIO | Windows Problem Solver). But in SATA AHCI interfate there's no PIO, DMA, etc.

Initially, when Win7 (with new mobo) was fresh installed, Nero used to write at 16x, but not now. So ?
My System SpecsSystem Spec
30 Aug 2012   #6
bassfisher6522

Windows 7 Ultimate 64 bit
 
 

Quote   Quote: Originally Posted by billgw View Post
There is no SATA mode. SATA & IDE are interfaces. (like slots. motherboard's slots can not be changed)
SATA has Sata IDE and Sata AHCI modes. AHCI has speed related advantages, like NCQ (Native Command Queuing).

Can anyone help?

In your BIOS, you have SATA mode and ACHI mode.
My System SpecsSystem Spec
30 Aug 2012   #7
Solarstarshines

Windows 7 Home Premium 64bit sp1
 
 

If you are Burning certain types of movies files that might have extensive encoding could be a issue of slowing it down

It doesn't have to be how you set up the drives remember some programs can dictate the speed as well check your software if you hardware is working fine like windows says then it would be software related

you said you are using Nero isn't there speed adjustment features ?

I don't think it is how you have it connected

also try another software to see if the speed has changed

More information on your problem this suggest your media disc is the culprit that there not functioning well because of the firmware used take a look maybe you can get a hold on it through this http://answers.yahoo.com/question/in...4121656AAh9FQi
My System SpecsSystem Spec
30 Aug 2012   #8
DeaconFrost

Windows 7 Ultimate x64 SP1
 
 

Let's try to clear up a few things before we move on. There is such a thing as SATA mode (aside from just the ports), but it is usually referred to as Native or IDE mode, with other choices being AHCI and in some cases, RAID. IDE Mode is basically meant for older OSes so you can easily use your newer SATA drives with some backward compatibility. With Vista, Windows 7, and up, there's little reason to use IDE mode. AHCI does have benefits (and isn't related to RAID at all), but given your adapters, there's a chance they don't play nice with AHCI ports.

My suggestion is the spend the $20 to update your drive to SATA. Samsung makes plenty of high quality drives that sell for around $20. You'd solve the issue, and do away with a very old interface. It's been 5 years or so since I've used an IDE drive...so a simple update would solve your issue.
My System SpecsSystem Spec
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 SATA AHCI Controller, IDE DVD RW slow speed




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