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Slow 16x Dvd-r Burning With Sony Dru820a



I just bought the most recent Sony dvd burner, the DRU-820A that claims to support 16x dvd-r burning.

I posted in Apple's forum and a fellow told me he can burn a 4.2Gb files at 8x in 5-6 minutes for DVD-R.

When I burn at 8x or 16x it's slow, for 8x it lists estimate time of 6:45 minutes and for 16x it lists estimate time of 3:39 minutes but it actually takes around 29 minutes to burn a dvd-r.


I using the Verbatim 16x dvd-r certified by sony.


I'm running Mac OSX 10.4.5 on a PowerMac G4 Dual 867Mhz, 1 GB RAm, 160GB HD & 80GB HD, SONY DRU-820A 16X DVD-R, OEM COMBO drive. I own Toast 6.11 Titanium.


I get the same slow speed when burning from the finder as well.


When I burned from Toast 6 Titanium I got this message in the system log:

Mar 26 18:57:04 TARDIS kernel[0]: disk2: ioctl(_IOWR,'d',96,24) is unsupported.

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