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SubjectMy DVD-ROM only reads CDs at 20x. but it's a 48x one... new Reply to this message
Posted byhagbard
Posted on08/17/04 11:24 AM



My system IDE channels are set as this:

Primary Master: Seagate 40GB HD
Primary Slave: Nothing
Secondary Master: LG GSA-4120B (DVD-RAM 12x/8x +/-R/RW +RDL)
Secondary Slave: LG GDR-8161B (16x DVD , 48x CD)

The problem is that my DVD CD-read speed it's set auto to 20x. I checked it with Nero InfoTool, CDex and more. With Nero DriveSpeed I try to auto detect speed and the max it's 20x. Both drives are set up at ATA-33 in BIOS and DMA Ultra Mode 2 in Windows XP Pro. I also update the firmware but any changed
My system specs are: P4 2.4GHz 533 FSB, QDI Platinum 2D 533-a Motherboard, 768 MB DDR-266 RAM, Audio AC-97 on-board, 40GB Seagate HD running on Windows XP Pro with SP1.
I hope you can help me.
Thanks for all, friends at RG boards!!




SubjectRe: My DVD-ROM only reads CDs at 20x. but it's a 48x one... new Reply to this message
Posted byBig-Pete
Posted on08/17/04 06:05 PM



> My system IDE channels are set as this:
>
> Primary Master: Seagate 40GB HD
> Primary Slave: Nothing
> Secondary Master: LG GSA-4120B (DVD-RAM 12x/8x +/-R/RW +RDL)
> Secondary Slave: LG GDR-8161B (16x DVD , 48x CD)
>
> The problem is that my DVD CD-read speed it's set auto to 20x. I checked it with
> Nero InfoTool, CDex and more. With Nero DriveSpeed I try to auto detect speed
> and the max it's 20x. Both drives are set up at ATA-33 in BIOS and DMA Ultra
> Mode 2 in Windows XP Pro. I also update the firmware but any changed
> My system specs are: P4 2.4GHz 533 FSB, QDI Platinum 2D 533-a Motherboard, 768
> MB DDR-266 RAM, Audio AC-97 on-board, 40GB Seagate HD running on Windows XP Pro
> with SP1.
> I hope you can help me.
> Thanks for all, friends at RG boards!!
>

Tried using an 80-way cable and bumping it up to ATA-66?

Pete



SubjectRe: My DVD-ROM only reads CDs at 20x. but it's a 48x one... new Reply to this message
Posted byhagbard
Posted on08/18/04 10:46 AM



> Tried using an 80-way cable and bumping it up to ATA-66?
>
> Pete
>
I haven't tried a 80-way cable, but I don't know what you mean saying "bumping up to ATA 66", sorry

Thanks a lot, anyway




SubjectRe: My DVD-ROM only reads CDs at 20x. but it's a 48x one... new Reply to this message
Posted byBig-Pete
Posted on08/18/04 11:22 AM



> > Tried using an 80-way cable and bumping it up to ATA-66?
> >
> > Pete
> >
> I haven't tried a 80-way cable, but I don't know what you mean saying "bumping
> up to ATA 66", sorry
>

Changing it too ATA 66 i meant, sorry.

Other than that, i dont know. Try a firmware update or something.

Pete



SubjectRe: My DVD-ROM only reads CDs at 20x. but it's a 48x one... Reply to this message
Posted byhagbard
Posted on08/18/04 11:28 AM



> Changing it too ATA 66 i meant, sorry.
>
> Other than that, i dont know. Try a firmware update or something.
>
> Pete
>
Big thanks, Pete :-)
I also updated the firmware to the latest I found (0102) but still the same problem. By the way, can I change to ATA 66 by only a 80-pin cable? I'm not sure about it, I'm not even sure if my MotherBoard support it :P Any (more) help would apreciated...
Thanks for your help and patience , greetings from Spain ;-)




SubjectRe: My DVD-ROM only reads CDs at 20x. but it's a 48x one... new Reply to this message
Posted byBig-Pete
Posted on08/19/04 04:22 AM



> > Changing it too ATA 66 i meant, sorry.
> >
> > Other than that, i dont know. Try a firmware update or something.
> >
> > Pete
> >
> Big thanks, Pete :-)
> I also updated the firmware to the latest I found (0102) but still the same
> problem. By the way, can I change to ATA 66 by only a 80-pin cable? I'm not sure
> about it, I'm not even sure if my MotherBoard support it :P Any (more) help
> would apreciated...
> Thanks for your help and patience , greetings from Spain ;-)
>

Well, if the motherboard does support it, and you've got everything set to Autodetect in the BIOS (its usually that way by default), it should detect the 80-way cable and set itself up appropriately.

Pete



SubjectRe: My DVD-ROM only reads CDs at 20x. but it's a 48x one... new Reply to this message
Posted byhagbard
Posted on08/19/04 11:21 AM



> Well, if the motherboard does support it, and you've got everything set to
> Autodetect in the BIOS (its usually that way by default), it should detect the
> 80-way cable and set itself up appropriately.
>
> Pete
>

Now I'm sure my motherboard does support it, and I got an ATA-100 cable for DVDs, but still the same problem.
By the way, how can I know if that is a 80-way cable? I think IDE has 40 pin... :?

Thanks for you attention


SubjectRe: My DVD-ROM only reads CDs at 20x. but it's a 48x one... new Reply to this message
Posted byeevert
Posted on08/19/04 12:08 PM



> > Well, if the motherboard does support it, and you've got everything set to
> > Autodetect in the BIOS (its usually that way by default), it should detect the
> > 80-way cable and set itself up appropriately.
> >
> > Pete
> >
>
> Now I'm sure my motherboard does support it, and I got an ATA-100 cable for
> DVDs, but still the same problem.
> By the way, how can I know if that is a 80-way cable? I think IDE has 40 pin...
> :?

There's 2 kinds of IDE cables, 40-wire (and 40 pins) and 80-wire (and still only 40 pins). The 80-wire cables have 'spacers' between each wire to reduce interference at higher speeds, and that's why 80-wire cables are required for ATA-66 and above. The 80-wire cables are thinner than the 40-wire cables (they have to be to be able to fit twice as many wires in the same space).





SubjectRe: My DVD-ROM only reads CDs at 20x. but it's a 48x one... new Reply to this message
Posted byhagbard
Posted on08/19/04 01:11 PM



> There's 2 kinds of IDE cables, 40-wire (and 40 pins) and 80-wire (and still only
> 40 pins). The 80-wire cables have 'spacers' between each wire to reduce
> interference at higher speeds, and that's why 80-wire cables are required for
> ATA-66 and above. The 80-wire cables are thinner than the 40-wire cables (they
> have to be to be able to fit twice as many wires in the same space).
>

Thanks a lot, but my new ATA-100 cable (rounded type) it's possible to be a 40-wire one? Theorically I think it will be a 80-wire... I'm confused :?


SubjectRe: Some facts about drive speeds new Reply to this message
Posted byLooker
Posted on08/19/04 06:29 PM



Cd reading ratings are not entirely accurate. The 48 speed quoted is the theoretical maximum which is on possible at the very last part of the disc where the disc has a larger diametre and more data passed under the head in a given revolution. Most drives start slower and build up as the drive head moves towards the outside of the cd.

Also some drives read cdr media or media that it has trouble reading at a slower speed to increase accuracy.

You didn't test the drive using an audio cd as a lot of drives also read audio cd's at a slower speed depending on the digital audio extraction rate of the drive.

Some drive testing programs quote an average time for a disc which will never reach the theoretical maximum as it takes into account the slower beginnings of the disc..

If your drive has an average read speed of 20x and you have a drive which can read a full cd in about 3 minutes. Still a good speed, I wouldn't worry about it as this is a respectable speed.

I have seen some 40-52 speed drives that were crap because they spent more time re-reading parts of the disk, they sounded like a vaccum cleaner and vibrated the case something rotten. Drives reached their limit when they got to about 40x, I have yet to see a drive beat my 40x teac for speed, accuracy and silence.




SubjectRe: My DVD-ROM only reads CDs at 20x. but it's a 48x one... new Reply to this message
Posted byBig-Pete
Posted on08/20/04 07:01 AM




> Thanks a lot, but my new ATA-100 cable (rounded type) it's possible to be a
> 40-wire one? Theorically I think it will be a 80-wire... I'm confused :?
>

Well if theyre selling it as an ATA-100 cable, then it really should be an 80-way cable.

If you've got Intel Application Accelerator installed (which you really should have if the chipset on your motherboard is Intel based), that can tell you what type of cable the device is connected via, and a host of other things.



Pete



SubjectRe: My DVD-ROM only reads CDs at 20x. but it's a 48x one... new Reply to this message
Posted byhagbard
Posted on08/20/04 12:08 PM



> Well if theyre selling it as an ATA-100 cable, then it really should be an
> 80-way cable.
>
> If you've got Intel Application Accelerator installed (which you really should
> have if the chipset on your motherboard is Intel based), that can tell you what
> type of cable the device is connected via, and a host of other things.
>
>
>
> Pete
>

Wow, I'm going to dowload it right know! I hope that helps.
very BIG thanks...
Hagbard


SubjectRe: My DVD-ROM only reads CDs at 20x. but it's a 48x one... new Reply to this message
Posted byhagbard
Posted on08/23/04 12:12 PM



> Well if theyre selling it as an ATA-100 cable, then it really should be an
> 80-way cable.
>
> If you've got Intel Application Accelerator installed (which you really should
> have if the chipset on your motherboard is Intel based), that can tell you what
> type of cable the device is connected via, and a host of other things.
>
>
>
> Pete
>

After checking it with other 80-wire IDE cable, on Master, Slave, Primary or Secondary channels, update MoBo BIOS, DVD firmware,etc nothing changed.
However, I installed Intel Application Acelerator as you tell me and I found the reason on IAA report:

...
Secondary Slave: HL-DT-STDVD-ROM GDR8161B
...
Firmware: 0102
...
Default transfer mode: UDMA-2
Transfer mode: UDMA-2
Transfer mode limit: Whitout limits
Cable type (device): 40 conductors (!!!)
Cable Type (host): 80 conductors
PIO PPE: deactived
UDMA control registration: Ultra DMA mode actived
...
(I translated it to english by myself so it's probably not 100% correct :P )

So it's likely my DVD-ROM it's inner limited to 40-wire...
Pity LG, or rather, Hitachi-LG (HL-...) sells an ATA-33, UDMA-2 capable device but limited to lower speeds by inner 40-wire architecture... :(
Notice that it's not so old, it's made on January 2003. Now I understand why it's not listed on LG's site.
Maybe it's time to change my usual optical-drive brand...
Thanks,
hagbard




SubjectRe: Some facts about drive speeds new Reply to this message
Posted byVideoman
Posted on08/23/04 10:25 PM



> Cd reading ratings are not entirely accurate. The 48 speed quoted is the
> theoretical maximum which is on possible at the very last part of the disc where
> the disc has a larger diametre and more data passed under the head in a given
> revolution. Most drives start slower and build up as the drive head moves
> towards the outside of the cd.
>
> Also some drives read cdr media or media that it has trouble reading at a slower
> speed to increase accuracy.

Correct!

I have an Afreey 56x IDE CD-ROM that I use for a ripper, and even though it is one of the fastest CD readers that I've ever used or seen, it also only starts reading at somewhere between 20x and 24x, and only reaches maximum speed (56X) at the very end of the disc.

So having a 48x (max) CD-ROM start reading at 20x, is perfectly normal.

Download CDSpeed from http://www.cdspeed2000.com/ , and benchmark your drive. Best to use several CDs, some pressed, some burned, maybe a CD-RW or two, and see how your drive reads them, and at what speeds. Even though my drive can read pressed and burned CDs at 56x (max), it only reads CD-RWs at a fixed speed of 8x.





SubjectRe: Some facts about drive speeds new Reply to this message
Posted byhagbard
Posted on08/31/04 11:31 AM



> > Cd reading ratings are not entirely accurate. The 48 speed quoted is the
> > theoretical maximum which is on possible at the very last part of the disc
> where
> > the disc has a larger diametre and more data passed under the head in a given
> > revolution. Most drives start slower and build up as the drive head moves
> > towards the outside of the cd.
> >
> > Also some drives read cdr media or media that it has trouble reading at a
> slower
> > speed to increase accuracy.
>
> Correct!
>
> I have an Afreey 56x IDE CD-ROM that I use for a ripper, and even though it is
> one of the fastest CD readers that I've ever used or seen, it also only starts
> reading at somewhere between 20x and 24x, and only reaches maximum speed (56X)
> at the very end of the disc.
>
> So having a 48x (max) CD-ROM start reading at 20x, is perfectly normal.
>
> Download CDSpeed from http://www.cdspeed2000.com/ , and benchmark your drive.
> Best to use several CDs, some pressed, some burned, maybe a CD-RW or two, and
> see how your drive reads them, and at what speeds. Even though my drive can read
> pressed and burned CDs at 56x (max), it only reads CD-RWs at a fixed speed of
> 8x.
>

Yeah, I know it, but the problem is that every program I tested (nero drive speed, CDex, Intel Ap. Acel.) tells speed is fixed to 20X.
Also used cdspeed and sometime go 20X fixed sometimes up to 40X. However, it's only happens in tests, in the real thing runs very, very slow (20X)...
Thanks your attention


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