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Features
Test machine
For this review we will be using a computer with the following configuration:
Hardware:
- Motherboard: Gigabyte GA-P55A-UD4 (Intel P55 chipset)
- Processor: Intel i7 750
- RAM: 8 GB Kingston dual channel kit DDR3
- GFX: ATI HD 5670 (512 Megabytes GDDR5 HDCP compliant)
- Hard disk OS: OCZ Vertex 2 64GB
- Hard disk storage: Samsing Spinpoint F1 1TB
- PSU: Chieftec 500W
- Display: FujitsuSiemens 22”
- Operating System: Windows 7 Premium (64 bit)
System setup:
A screenshot from Nero Infotool 6.

The LG GH22NS90 was connected to one of the SATA2 ports on the motherboard’s SATA controller and it was identified as HL-DT-ST DVDRAM GH22NS90.
And screenshot from Opti Drive Control:

In the screenshot from Opti Drive Control above, we can see the LG GH22NS90 supports the main media groups but we can’t see any info about the M-DISC feature and also the SecurDisc feature is missing. The drive came shipped with firmware version GL24.
Installed software:
For conducting our various tests, we will be using the following applications.
- Nero Burning Rom 11
- Opti Drive Control
- Nero CD/DVD Speed
- Nero InfoTool
- DVDFab 8
- Slysoft CloneCD
- Exact Audio Copy
Our review PC has Windows 7 Premium 64 bit installed.
Features and techniques
PI/PIF Disc quality scanning
The Lite-On drives have become famous for Disc Quality Scanning and the iHAS624 is no exception. The drive can be used with either Opti Drive Control, CD-Speed/Nero DiskSpeed or K-Probe for disc quality scanning. In our reviews we always use a CLV scanning method at 4x scanning speed. Please note, 8x scanning speed has been set as a standard on the MyCE forum.
BookType (Bitsetting):
The LG GH22NS90 sets the booktype to DVD-ROM only for +R Dual Layer media. You can manually change it on +R Single layer media but are not allowed to change the booktype on +RW media. You can change this setting from your burning DVD burning software, Nero, ImgBurn or Disc Speed.
Here is how you can check if your discs are really written with DVD-ROM book type:
Start Opti Drive Control, click the Disc info button and you should get something like this:

DVD+R with BookType DVD-ROM

DVD+RW with BookType DVD-RW

DVD+R DL with BookType DVD-ROM
Another quick test is to start Nero CD-Speed and look at the disc information:

Writing technique
Now it’s time to take a closer look at the writing technology used by the LG GH22NS90.
For these tests we used Nero CD/DVD Speed and wrote a full disc at the drive’s maximum speed.
CD Recordable:
According to the specifications of the LG GH22NS90, it should be able to write CD-R media at a maximum speed of 48x.

The LG GH22NS90 uses CAV, (Constant Angular Velocity), to write at its maximum speed of 48X. This gives an average speed of 36.04x and a total writing time of 2 minutes and 39 seconds.
For comparison we have made the following table:
|
CD-R |
Supported |
Write |
Start |
End |
Average |
Write |
|
Samsung |
48x |
CAV |
21.88x |
48.36 |
37.21x |
2m:52s |
|
Samsung |
48x |
CAV |
21.94x |
48.24x |
37.30x |
2m:52s |
|
Samsung |
48x |
CAV |
21.82x |
48.52x |
37.21x |
3m:00s |
|
Pioneer |
40x |
CAV |
17.83x |
40.47xx |
30.27x |
3m:14s |
|
Samsung |
48x |
CAV |
21.71x |
48.06x |
36.86x |
2m:54s |
|
HP |
48x |
CAV |
22.01x |
49.38x |
37.43x |
2m:37s |
|
Lite-On |
48x |
CAV |
21.97x |
49.17x |
37.31x |
2m:36s |
|
Pioneer |
40x |
CAV |
17.99x |
39.91x |
30.79x |
3m:14s |
|
Optiarc |
48x |
CAV |
21.63x |
48.07x |
34.98x |
3m:09s |
|
Pioneer |
40x |
CAV |
18.00x |
40.29x |
30.27x |
3m:15s |
|
Samsung |
48x |
CAV |
21.61x |
48.43x |
36.78x |
2m:49s |
|
Pioneer |
40x |
CAV |
18.10x |
41.69x |
30.19x |
3m:19s |
|
Lite-On |
48x |
CAV |
21.52x |
48.08x |
36.76x |
2m:44s |
|
Optiarc |
48x |
CAV |
21.40x |
48.09x |
35.13x |
2m:58s |
|
Lite-On |
48x |
CAV |
21,66x |
48.44x |
36.74x |
2m:42x |
|
Lite-On |
48x |
CAV |
20.87x |
49.36x |
34.70x |
2m:43s |
|
Lite-On |
48x |
CAV |
20.85x |
49.56x |
34.75x |
2m:45s |
|
LG |
48x |
CAV |
21.37x |
48.16x |
36.04x |
2m:39s |
As we can see, the LG GH22NS90 is clearly the second fastest drive that we have tested when writing CD-R media.
CD Re-writable:
According to the specifications of the LG GH22NS90, it should be able to write CD-RW media at a maximum speed of 32x. Unfortunately we only had 24x media.

The LG GH22NS90 uses Z-CLV, (Zoned Constant Linear Velocity), to write at its maximum speed of 24X. This gives an average speed of 21.63x and a total writing time of 4 minutes and 12 seconds.
For comparison we have made the following table:
|
CD-RW |
Supported |
Write |
Start |
End |
Average |
Write |
|
Samsung |
32x |
Z-CLV |
16.09x |
32.30x |
28.44x |
3m:35s |
|
Samsung |
32x |
Z-CLV |
16.01x |
32.02x |
28.28x |
3m:38s |
|
Samsung |
32x |
Z-CLV |
16.09x |
32.18x |
28.44x |
3m:27s |
|
Pioneer |
32x |
Z-CLV |
16.03x |
32.07x |
24.97x |
3m:45s |
|
Samsung |
32x |
Z-CLV |
16.10x |
32.21x |
28.09x |
3m:23s |
|
HP |
32x |
Z-CLV |
16.05x |
32.10x |
24.93x |
3m:42s |
|
Lite-On |
32x |
Z-CLV |
16.02x |
32.05x |
24.99x |
3m:43s |
|
Pioneer |
32x |
Z-CLV |
16.00x |
31.82x |
24.95x |
3m:59s |
|
Optiarc |
32x |
Z-CLV |
16.02x |
32.05x |
29.09x |
3m:21s |
|
Pioneer |
32x |
Z-CLV |
16.00x |
32.01x |
24.93x |
3m:58s |
|
Samsung |
32x |
Z-CLV |
16.05x |
32.09x |
28.01x |
3m:32s |
|
Pioneer |
32x |
Z-CLV |
16.03x |
32.16x |
24.96x |
4m:02s |
|
Lite-On |
32x |
Z-CLV |
16.11x |
32.22x |
24.61x |
3m:55s |
|
Optiarc |
32x |
Z-CLV |
16.00x |
32.01x |
24.75x |
3m:58s |
|
Lite-On |
32x |
Z-CLV |
16.07x |
32.10x |
24.63x |
3m:52s |
|
Lite-On |
32x |
Z-CLV |
16.07x |
32.28x |
22.69x |
3m:51s |
|
Lite-On |
24x |
Z-CLV |
16.06x |
24.17x |
20.92x |
4m:12s |
|
LG |
24x |
Z-CLV |
16.04x |
24.07x |
20.63x |
4m:12s |
As we can see, we can directly compare the result with the other drives, but the drive is fast with 24x CD-RW media.
22x DVD+R/-R writing speed:
According to the specifications of the LG GH22NS90, it should be able to write DVD+R/-R media at a maximum speed of 22x.

DVD+R
The LG GH22NS90 uses CAV, (Constant Angular Velocity), to write at its maximum speed of 22X. This gives an average speed of 16.19x and a total writing time of 4 minutes and 24 seconds.

DVD-R
The LG GH22NS90 uses CAV, (Constant Angular Velocity), to write at its maximum speed of 22X. This gives an average speed of 16.18x and a total writing time of 4 minutes and 29 seconds.
For comparison we have made the following table:
|
16x |
Supported |
Write |
Start |
End |
Average |
Write |
|
Lite-On |
20x +R |
CAV |
8.17x |
19.63x |
14.68x |
5m:02s |
|
Pioneer |
20x +R |
CAV |
7.69x |
20.12x |
14.63x |
4m:46s |
|
Optiarc |
20x +R |
CAV |
8.39x |
20.19x |
14.86x |
4m:35s |
|
Pioneer |
20x +R |
CAV |
7.22x |
20.11x |
14.66x |
4m:45s |
|
Samsung |
22x +R |
CAV |
9.19x |
22.07x |
16.39x |
4m:24s |
|
Pioneer |
20x +R |
CAV |
8.40x |
20.36x |
14.61x |
4m:40s |
|
Lite-On |
22x +R |
CAV |
9.14x |
21.95x |
16.41x |
4m:28s |
|
Optiarc |
24x +R |
CAV |
10.03x |
24.07x |
17.53x |
4m:11s |
|
Lite-On |
24x +R |
CAV |
10.03x |
24.09x |
17.37x |
4m:03s |
|
Lite-On |
24x +R |
CAV |
10.03x |
24.15x |
15.93x |
4m:11s |
|
Lite-On |
24x +R |
CAV |
10.03x |
24.15x |
15.93x |
4m:20s |
|
LG |
22x +R |
CAV |
9.21x |
22.05x |
16.19x |
4m:24s |
As we can see from our table, the LG GH22NS90 is a very fast drive when writing our test DVD±R media at 22x.
8X DVD+RW writing speed:
According to the specifications of the LG GH22NS90, it should be able to write DVD+RW at a maximum speed of 8x.

The LG GH22NS90 uses Z-CLV, (Zoned Constant Linear Velocity), to write at its maximum speed of 8X. This gives an average speed of 7.48x and a total writing time of 7 minutes and 45 seconds.
For comparison we have made the following table:
|
DVD+RW |
Writing |
Average |
Writing |
|
Pioneer |
8x Z-CLV |
7.83x |
7m:42s |
|
Samsung |
8x Z-CLV |
7.71x |
7m:31s |
|
HP |
8x Z-CLV |
7.20x |
8m:07s |
|
Lite-On |
8x Z-CLV |
7.23x |
8m:03s |
|
Pioneer |
8x Z-CLV |
7.82x |
7m:26s |
|
Optiarc |
8x Z-CLV |
7.75x |
7m:23s |
|
Pioneer |
8x Z-CLV |
7.82x |
7m:29s |
|
Samsung |
8x Z-CLV |
7.60x |
8m:08s |
|
Pioneer |
8x Z-CLV |
7.83x |
7m:19s |
|
Lite-On |
8x Z-CLV |
7.72x |
7m:27s |
|
Optiarc |
8x Z-CLV |
7.74x |
7m:52s |
|
Lite-On |
8x Z-CLV |
7.38x |
8m:19s |
|
Lite-On |
8x Z-CLV |
7.14x |
8m:31s |
|
Lite-On |
8x Z-CLV |
7.26x |
7m:49s |
|
LG |
8x Z-CLV |
7.48x |
7m:45s |
Again we can see that the LG GH22NS90 was one of the fastest drives we tested, when writing our test DVD+RW media.
6x DVD-RW writing speed:
According to the specifications of the LG GH22NS90, it should be able to write DVD-RW at a maximum speed of 6x.

The LG GH22NS90 uses CLV, (Constant Linear Velocity), to write at its maximum speed of 6X. This gives an average speed of 6.01x and a total writing time of 10 minutes and 03 seconds.
For comparison we have made the following table:
|
DVD-RW |
Writing |
Average |
Writing |
|
Pioneer |
6x CLV |
6.02x |
9m:50s |
|
Samsung |
6x CLV |
6.03x |
10m:08s |
|
HP |
6x Z-CLV |
5.71x |
10m:49s |
|
Lite-On |
6x Z-CLV |
5.75x |
11m:05s |
|
Pioneer |
6x CLV |
6.01x |
10m:16s |
|
Optiarc |
6x CLV |
6.01x |
10m:02s |
|
Pioneer |
6x CLV |
6.01x |
9m:52s |
|
Samsung |
6x CLV |
6.01x |
10m:09s |
|
Pioneer |
6x CLV |
6.01x |
9m:53s |
|
Lite-On |
6x CLV |
6.04x |
10m:00s |
|
Optiarc |
6x CLV |
6.00x |
10m:06s |
|
Lite-On |
6x Z-CLV |
5.83x |
10m:42s |
|
Lite-On |
6x Z-CLV |
5.63x |
10m:41s |
|
Lite-On |
6x Z-CLV |
5.72x |
10m:29s |
|
LG |
6x CLV |
6.01x |
10m:03s |
The LG GH22NS90 was again one of the fastest drives when writing DVD-RW media.
8x DVD+R DL writing speed:
According to the specifications of the LG GH22NS90, it should be able to write DVD+R DL at a maximum speed of 8x.

The LG GH22NS90 uses Z-CLV, (Zoned Constant Linear Velocity), to write at 8X. This gives an average speed of 7.08x and a total writing time of 17 minutes and 15 seconds.
8x DVD-R DL writing speed:
According to the specifications of the LG GH22NS90, it should be able to write DVD-R DL at a maximum speed of 8x, unfortunately I didn’t have any –R Dual layer media to test this function.
For comparison we have made the following table:
|
DVD
DL |
Size |
Writing |
Writing |
Book |
|
Pioneer |
8135MB |
DVD+R DL 10x |
15m:07s |
DVD-ROM |
|
Samsung |
8135MB |
DVD+R DL 16x |
10m:33s |
DVD-ROM |
|
HP |
8135MB |
DVD+R DL 8x |
18m:17s |
DVD-ROM |
|
Lite-On |
8135MB |
DVD+R DL 8x |
17m:56s |
DVD-ROM |
|
Pioneer |
8134MB |
DVD+R DL 10x |
15m:07s |
DVD-ROM |
|
Optiarc |
8134MB |
DVD+R DL 8x |
18m:46s |
DVD-ROM |
|
Pioneer |
8134MB |
DVD+R DL 10x |
15m:42s |
DVD-ROM |
|
Samsung |
8134MB |
DVD+R DL 10x |
13m:19s |
DVD-ROM |
|
Pioneer |
8134MB |
DVD+R DL 10x |
14m:36s |
DVD-ROM |
|
Lite-On |
8134MB |
DVD+R DL 8x |
17m:03s |
DVD-ROM |
|
Optiarc |
8134MB |
DVD+R DL 8x |
19m:18s |
DVD-ROM |
|
Lite-On |
8134MB |
DVD+R DL 8x |
18m:55s |
DVD-ROM |
|
Lite-On |
8134MB |
DVD+R DL 8x |
19m:06s |
DVD-ROM |
|
Lite-On |
8134MB |
DVD+R DL 8x |
19m:22s |
DVD-ROM |
|
LG |
8134MB |
DVD+R DL 8x |
17m:15s |
DVD-ROM |
The LG GH22NS90 was one of the fastest we have tested with +R Dual Layer media.
Summary:
The LG GH22NS90 has very fast writing performance with CD-R/RW & DVD R/RW +DL media.
Let’s head on to the next page where we will check reading performance….
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