i found this on a site i was surfing and was wondering if it really works does anyone know?
Modify Your CD-ROM to Watch DVD Movies
There are two types of CD-ROM drives we can mod:
24x to 40x
40x or higher
Drives slower than 24x are too old to be modded.
24x to 40x CD ROMs
Laser Head Adjustments:
The track pitch of CDs is 1.6 microns, and the track pitch of DVDs is only 0.8 microns. The minimum
length of track pits of CDs is 0.843mm, and the minimum length of track pits of DVDs is 0.293mm.
That’s why DVD discs can store much more data in the size of a CD.
Pinpointing this situation, we need to adjust the laser head so it can read discs with smaller track
pitchs and shorter track pits. Open up the CD-ROM drive, do you see a lens on the rail? That’s the
laser head. On the side of the laser head, there’s a screw you can adjust.
This is the key of this mod.
This screw can adjust the size of the laser beam that lands on the disc. Referring to the above, after
adjusting, the laser beam should be less than 0.293mm, to suit the needs of DVD discs. So turn that
screw 2-3 times. I got this number through trial and error. Mark with a pencil, in case you forget how
many times you turned that screw.
DVD-ROM drives can play DVD movies smoothly at 4x speed. If we’re modding a 32x CD-ROM drive, the
rotation speed is obviously too high, increasing heat, and shortening the life of the drive.
So we need to decrease the speed of it.
Most people know that power supplies can provide 5V (red wire) and 12V (yellow wire) electricity
output for Molex connectors. Find the Molex connector you’ll plug into the modded CD-ROM drive, cut
the yellow wire or insulate it with tape, so only 5V of electricity is transferred to the CD-ROM
drive. The speed of the drive is now 32 * 5/17 = 9.41x and can now fulfill our requirements.
40x or higher CD ROMs
When 40x CD-ROM drives are released, most manufacturers are already producing DVD-ROM drives. To lower
cost, they use the same core as DVD-ROM drives with DVD functions disabled. What we need to do here is
to re-enable the DVD function.
Open up the CD-ROM, behind the circuit board, look for a jumper that says DVD JUMP. Find a jumper to
connect this jumper. Thin metal wire also works fine.
OK, so the DVD function is unlocked, but we still need to decrease the speed. Use the instructions
above on how to decrase the speed of the drive.
Modded drives cannot be detected in POST, that means you cannot use it in DOS. But once you get into
Windows, the drive works fine.
Modded drives have no region code problems.
Modded drives MIGHT NOT read DVD9 discs,
that’s why I said you can watch most retail DVDs in the beginning