Lite-On
LTR-16101B IDE CDR-W - Page
2
Data Tests
Test Method
- SCSI Mechanic v3.0x: This was used to compare the Lite-On's
I/O performance against other various CDR-W drives (see charts). We used a pressed
CD containing PlexTools v1.08 for all of the tests.
- CD Speed 99 v0.80 also used to check the drive performance with pressed
CDs. For that test, we used PlexTools v1.08 pressed CD.
- SCSI Mechanic v3.0x results
The Lite-On drive had an average reading performance in the "Average
Random I/O" test result. The drive gave back around 660kb/s, which is the
third best performance in the particular test. In the "Average Sequential
I/O", the drive performed very good and got the second place behind the
PleXWriter PX-W1610A with 4582kb/s. Finally, yet importantly, the drive's internal
reading caching seems performing in the same levels with Sanyo and Teac and
much lower than what Plextor drive can do.
- CD Speed 99 v0.80 results: (click here
to see the CD Speed 99 graph)
Using CD Speed 0.80, we confirmed SCSI Mechanic results. The Lite-On drive
got the second place with 31.33x, with a slight performance gap of 0.22x.
In the "Seek Times" test, CD Speed results were much different than
what we have ever witnessed from a optical drive in past. CD Speed 99 gives
around 30-40ms as the random access time, which as you understand is
nearly impossible. We investigated this issue with other measuring software
and the above results come from CD/DVD Benchmark (German only) software.
In our question towards CD Speed author why CD Speed results are so different
than the others software, he replied that "...I think the other two
programs are reading data from the disc. CD Speed only positions the pickup
without reading data. In a future release I will give users the option to select
between seek and access times as with the latest DVD Speed. Normally the seek
times are only a few milliseconds lower than the access times but some manufacturers
implement the seek command other than intended..."
Also keep in mind that the official specs talk about 120ms average access
time, which seems true with our test results.
Overwhelming this little problem, let's see the test results. The Teac 16x
is simply the king in the "Seek Time" test, since it has only 73ms
random access time. The Lite-On drive follows with 92ms and the rest drives
just trying to follow.
- CDR Media: (click here
to see the CD Speed 99 graph)
The Lite-On managed to outperform the PleXWriter PX-W1610A with CDR media
and gave back an superb performance of 31.97x. The Plextor drive follows with
31.56x and the Teac comes third with 31.19x.
