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Reload this Page Extremely slow burn speed with cdrecord
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Old 11-14-2002, 05:00 PM   #1
SilentStrike
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Extremely slow burn speed with cdrecord

I recently switched to Red Hat 8.0. I have, in previous distrobutions, burned CDs at a reasonably fast speed (5 minutes per CD, I am estimating), with a 16x burner. However, with Red Hat 8.0, when burning CDs, it takes slighly over an hour to burn a full ISO. I pass the speed=16 option to cdrecord (I've even tried speed=8 option after the speed=16 option was so slow twice), but both times took like 3800 seconds to burn the CD.

A search for google for cdrecord red hat slow revealed nothing .
 
Old 11-14-2002, 07:59 PM   #2
El Kid
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Only thing I can think of is to make sure dma is enabled. You might also want to try speed=0 (yes zero).
 
Old 11-14-2002, 08:22 PM   #3
SilentStrike
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How would I check to see if DMA is enabled?
 
Old 11-17-2002, 12:32 AM   #4
El Kid
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type hdparm /dev/hdx where x is your cd rom more than likely c so hdc dma should have a 1 next to it, or type dmesg and scroll for your cdrom
 
Old 11-17-2002, 02:22 AM   #5
SilentStrike
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I found these relevant lines.

hdc=ide-scsi
hdc: LITE-ON LTR-16102B, ATAPI CD/DVD-ROM drive
ide1: BM-DMA at 0xd808-0xd80f, BIOS settings: hdc:DMA, hdd:pio

From this, is it safe to assume that DMA is enabled?
 
  


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