Buffer underun problem

rodan

Senior member
Oct 11, 1999
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I'm having a problem configuring a cd burner to work properly, I keep getting "buffer under run" error when I try to burn mp3's into a cd. Here is what I tried so far, to no avail:
I defragged, shut all programs off in Task Manager, except for "systray" and "explorer"
turned off screen saver
systems resources a pretty hefty 83 percent
I even tried different burning software applications, get same problem
I switched burners with my regular computer
It doesn't matter what brand or type burner I use, it still won't burn, getting the buffer underun
The computer configuragtion is: Asus P5 S-b, with the SiS 530 chipset, AMD 450mhz processor
192mb of PC 100 sdram 20gb ata 7200rpm harddrive
I upgraded the chipset drivers, as, I suspect my problem is with the onboard controller..., not
that it's bad, just that maybe this is where my issue is, I even changed drivers for the onboard
controller.
Could my buffer underun problem be associated with the controller? Any ideas?
 

RudeBoie

Platinum Member
Feb 28, 2000
2,017
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It definitely could be a controller/chipset problems. Depending obn which VIA 4 in 1 drivers I use, I could have perfect burns or 100% failure rates, even with burnproof enabled.

Perhaps try diff drivers, not just the newest one?
 

rodan

Senior member
Oct 11, 1999
254
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Here is something I tried, and, I at least could burn and audio cd, at 6x ( six speed ). The burner is capable of 10x, though. It fails at anything above six speed. This is the only thing I've done different:
Went to Device Manager, went to the Settings tab under "SiS 5513 Dual PCI IDE Controller", changed the settings from "default" to, " Both IDE Channels Enabled". I have other settings, such as" Only Primary IDE Channel Enabled', and, " Only Secondary IDE Channel Enabled", and, " NO IDE channel enabled". I'm going to experiment around with it. The burner is on the "Secondary IDE controller", no other device on it.
If anyone has any more ideas, please post. thanks. I'd like to be able to burn at the speed of the burner.
 

corkyg

Elite Member | Peripherals
Super Moderator
Mar 4, 2000
27,370
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One of the key questions is, where is the MP3 source? If it is your HDD, then you should not get a -B/U unless you have the burner on the same IDE controller. It should be on a different one than the HDD, and I see that is how you have it. A bad controller could be in the mix as well, but if everything else works, it is less likely. Have you tried different media? That sometimes makes a difference.

Also sounds like you are running 98 (resources issue). Does your burner software have "burnproof" or an equivalent to protect against -B/U? You could try a separate controller PCI card and disable the on-board and see if that makes a difference.
 

rodan

Senior member
Oct 11, 1999
254
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The OS is Windows 98SE, I do have the burner on the second IDE controller, no cdrom drive, it's the only device on this controller. Harddrive is on the primary IDE controller. Since I've posted last, it does burn, consistently, at 6x, but, will get failures or buffer underuns at anything higher( 8x or 10x ). It could be the media,( the cd's), I will try different brands when I buy some. At least it's working now. I personally believe the issue is with the controller drivers. It's an SiS controller. Thank you for your imput.
 

HappyNic

Senior member
Oct 14, 2001
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Did you have problems with this burner before?,, Does it support Burn-Proff? You can try enable DMA for your Harddriver and burner in windows 98. What other programs do you have running in the background when you do your burning?
 

Replicon

Member
Apr 23, 2002
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If you are burning Audio CD's directly frmo MP3 files, then you might be getting buffer underruns because the CPU has to decompress them into wav-ish format on the fly. It would not surprise me if this would create buffer underrun on a 450 MHz CPU. Try expanding the MP3s into WAV files first, and burning the Audio CDs from those. WinAmp can output to WAV format, and if you want more fancy, CDEX will do it (you need to get CDEX in any case hehe, it's good).
 

rodan

Senior member
Oct 11, 1999
254
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<< Did you have problems with this burner before?,, Does it support Burn-Proff? You can try enable DMA for your Harddriver and burner in windows 98. What other programs do you have running in the background when you do your burning? >>


It's a HP 10x burner, works excellent in my 'regular' computer, a Pentium II 266mhz, with an Intel chipset atx mainboard, an old "LX"type. And, I can burn mp3's from the harddrive to the burner, in audio format, no problem, with this HP burner, on that computer. I have tried rebooting, closing out everything in Task Manager except for "systray" and "explorer", turned off screensaver. I can get about 83 percent system resources, and, I run 192mb of pc 100 sdram memory in the Asus P5 sb computer.
So far, I'm thinking my problem is twofold: 1) the SiS controller 2) the media. I really do need to buy some better cd's to test it. Although, I have used the same media in my regular computer, in the same burner, no problem to burn at 10x. Anyway, thank you all for your input.