CD Rom very slow

north49er · 08-15-2005, 11:00 PM

Recheck if your chipset is enabled in the kernel. How much memory do you have, and how much swap?

maginotjr · 08-16-2005, 12:05 AM

512mb of ram (ddr 266)
512mb of swap (never used)
80gb HD
Pentium 4 2.66ghz

my drive model is on the previous posts...

north49er · 08-16-2005, 02:55 AM

As tuttle noticed, that "no dma" is puzzling. My suggestion is to take another look at your kernel configuration to see if something is amiss. For reference, that a look at the sample configuration file you can find here:
http://www.linuxquestions.org/questi...icle&artid=408

I used that as a base for my kernel configuration and it worked well, although yours will be a liitle different. Be sure to see if your chipset is enabled, and of course, dma.

maginotjr · 08-18-2005, 03:11 PM

I have already recompiled the kernel exactly to fit my box. There is nothing else I can select there. There are no other drivers to select. I have all the proper drivers already selected... Im realy thinknig that this is a firmware problem... I updated to firmware 1.8f so I could burn DVD that support 1x-4x and now my CDs are beening burned at 4 speed... but Like I posted, cdrecorder shows that my CD have a 10x max speed, and shows that was to be 16x. But even at 10x I get error... :/

Tuttle · 08-18-2005, 05:01 PM

Perhaps it is a problem with the firmware then? Can you backtrack (downgrade) the firmware?

maginotjr · 08-18-2005, 07:43 PM

well, I will try to find a previous version, but for what I saw in google, version 1.8e is not a good version. so I think I have to find 1.8d to download... or 1.7? I realy dont know... I will give a search right now.

north49er · 08-18-2005, 07:44 PM

I did a little googling and found this: http://sysadminforum.com/t71025.html

Perhaps this has some clues to your problem.

maginotjr · 08-18-2005, 07:50 PM

from softpedia.com

Or there is something very wrong or Im very out of luck.

Quote:

Sony DW-P50A firmware 1.8f driver description

This combo rewritable drive enables you to burn, install, and play DVD as well as CDs - or watch your favorite DVD video all from your Sony VAIO PCG-GRT laptop. With its fast write/rewrite capability, this Combo Drive is the ideal portable backup and removable storage solution. Writing data to CD-R, CD-RW, DVD-R. DVD+R, DVD-RW, DVD+RW media is as simple as copying files to a floppy disk with CD writing software (not included).

The drive features a fast writing speed of 16X for CD-R and 8X CD-RW, and employs a full 24X speed maximum playback for CD-ROM and 5X for DVD-ROM. Built to give the best performance for data, multimedia and storage environments, the drive combines key technologies CD-RW and DVD+/-RW including lasers and LSIs from both as well as a combination pick up head.

The DW-U50A's backward compatibility to CD technology, use of low cost media, and effortless transition from CD to DVD make this the ideal upgrade product. The drive adheres to the DVD Forum's DVD-ROM specifications. It fits into any Sony VAIO PCG-GRT Laptops, and could fit into other SONY/IBM/TOSHIBA/DELL/COMPAQ laptops: Please look at specifications of your laptop.

This drive will come with the mounting rails and the front panel for the SONY PCG-GRT series laptops, for other type of laptops you will have to get different mounting devices and front panel. The SONY DVD+/-RW DW-U50A is compatible with all modern laptops, with 12.5 mm drives, it is the buyer's responsibility to determine that your laptop has a 12.5 mm drive. Please refer to your Service Manual or ask a Specialist.

Tuttle · 08-19-2005, 11:26 AM

A newer driver is not necessarily better. Wait for version 1.8g ;~]

maginotjr · 08-19-2005, 01:39 PM

I realy dont think they are going to update this drive anymore. The 1.8f was a HP need, so they could make the users stop anoyng with DVD burning...
Look to the message that the good support from HP gave-me, note that they gave me exactly the same link for the same driver, for the same version that I already have. =/

Quote:

Dear Maginot,

Thank you for contacting HP Total Care.

From your description I understand that you have upgraded the firmware
for CD/DVD drive on the notebook and wants to degrade it. Let me assist
you in this regard.

Maginot, I am sorry to say that it is not possible to degrade an
upgraded version of the firmware. However, I recommend you to install
the firmware from the below URL:

http://h18007.www1.hp.com/support/fi...oad/21153.html

Hope this resolve the issue. However, if the issue persists please get
back to us with resulsts.

Sincerely,

Alex K
HP Total Care

Our advice is strictly limited to the question(s) asked and is based on
the information provided to us. HP does not assume any responsibility
or liability for the advice given and shall not be liable for any
direct, indirect, special, incidental or consequential damages in
connection with the use of this information. Always back up your data.
For more information, including technical information updates, please
visit our Web site at http://www.hp.com/support.

My message:

Quote:

problem_description : After updating the firmware of my CD/DVD-RW drive
model Sony DW-P50A to version 1.8f Im unable to burn CDs at more them
4x. The right speed, and the speed that I was used to burn before was
16x CD and 4x for CDRW. The reason to upgrade the firmware was because I
was not able to burn DVDs. So after reading a lot in google I found in
many places that to be able to burn 4x DVDs I had to upgrade my
firmware. But now I only can burn at 4x CDRW and continue without being
able to burn DVDs. Im trying to find some way to downgrade the firmware,
or maybe someother solution. Im asking to HP for this solution because I
have searched this for about one month and no solution was find, I just
want to be able to burn at 16x again.

Tuttle · 08-19-2005, 01:55 PM

Quote:

Originally posted by maginotjr
well.. with cdrecord I get an error ... and noting happens, this is the output:

Code:

cdrecord: Future versions of cdrecord may have different drive dependent defaults.
cdrecord: Continuing in 5 seconds...
Cdrecord-Clone 2.01 (i686-pc-linux-gnu) Copyright (C) 1995-2004 Jörg Schilling
cdrecord: Warning: Running on Linux-2.6.12.3
cdrecord: There are unsettled issues with Linux-2.5 and newer.
cdrecord: If you have unexpected problems, please try Linux-2.4 or Solaris.
scsidev: 'ATAPI:/dev/hdc'
devname: 'ATAPI:/dev/hdc'
scsibus: -2 target: -2 lun: -2
Warning: Using ATA Packet interface.
Warning: The related Linux kernel interface code seems to be unmaintained.
Warning: There is absolutely NO DMA, operations thus are slow.
Using libscg version 'schily-0.8'.
Device type    : Removable CD-ROM
Version        : 0
Response Format: 2
Capabilities   :
Vendor_info    : 'SONY    '
Identifikation : 'DVD+RW DW-P50A  '
Revision       : '1.8f'
Device seems to be: Generic mmc2 DVD-ROM.
Using generic SCSI-3/mmc   CD-R/CD-RW driver (mmc_cdr).
Driver flags   : MMC-3 SWABAUDIO BURNFREE
Supported modes: TAO PACKET SAO SAO/R96R RAW/R96R
cdrecord: DMA speed too slow (OK for 10x). Cannot write at speed 16x.
cdrecord: Max DMA data speed is 10.
cdrecord: Try to use 'driveropts=burnfree'.

I know it's a pain in the ain* but could you try burning under a 2.4 kernel just to see if anything different happens? If you do, please use the cdrecord method we tried earlier and post any interesting output.

maginotjr · 08-20-2005, 02:53 AM

tomorrow I will buy a cd to test in the orignal 2.4 kernel that came with slack. I tryed in windows before send the message to HP and have problems. Considering that my windows was never formated (It was, but Im counting from the last time I burned at 16x) so I realy think the firmware ruinned my drive. :/
If no good result happen on 2.4 I will search for a new drive solution, like changing the orignal Sony drive of my notebook for another or buying an external. I think a external will be less expensive... :/

Charred · 08-20-2005, 04:09 AM

I think you have just cured me of ever wanting to buy anything from HP. Ever.

Tuttle · 08-20-2005, 06:33 AM

Well, 10 out of 10 for persevereance!

keefaz · 08-20-2005, 07:01 AM

You already tried append=hdc=ide-cd in lilo.conf, didn't you ?