LiteOn SOHD-167T - Page 8

To check exactly what the LiteOn SOHD-167T, 165H & 163 report and differences the new chipset inside the new LiteOn drive produces compared with the older drives, we used various media, burned in other recorders. The three media burnt, have been measured with the well known AudioDev SA300 DVD CATS system at 1X.

Since all LiteON drives report only PI/PIF errors, we will compare those measurements for the various reading speeds:

• 3~8X CAV
• 2~6X CAV
• 4X CLV

Please note that the posted results are only valid for the specific tested SOHD-167T drive. Using other 167T drives can produce totally different results. Be aware!

#1st Test Disc - PISum8/PIF Comparison - 8X Reading speed

All LiteON drives report increased error rates at the outer surface of the disc. The LTD165H is the only drive that reaches the CATS error rates.

#1st Test Disc - PISum8/PIF Comparison - 6X Reading speed

At 6X speed, the 167T and 163 drives reported lower error rates, while the 165H was exactly the same as at 8X.

#1st Test Disc - PISum8/PIF Comparison - 4X Reading speed

At 4X, again only the 165H drive reports PI errors similar to CATS, while the 167T and 163 indicate much lower error rates, but they do show problems on the outer area of the disc.