Jun 21, Roxio Easy Media Creator 7. I will sorely miss these drives, but that being said, laser failure seemed to be a common trait amongst many LiteOn drives — the fact mine have lived such long and productive lives is something to marvel at on its own. I figured out that if I turn one potentiometer clockwise, the drive stops reading CDs; if I turn it counter-clockwise, it reads CDs again. So if you have a 8x certified disc, then you will probably be able to burn the disc at 12x speed when OS is enabled. First, you should read this overview of LiteOn drive families and generations pay special attention to the text at the top, before the list!

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The drive also uses the RPC II region control, allowing a user to change the drive’s region at most 5 times. The assembly itself is mounted on smooth rails, driven by a stepper motor which is mounted below the sled. Proudly powered by WordPress.

An Obiturary: LiteOn SOHW-1633S, and LH-18A1P

The first time about 6 months ago I updated the firmware from the liteon homepage. Lines and paragraphs break automatically. It’s worth a thousand words. Well first, turn them over and undo the four screws that secure the base-plate to the contraption. Your answer needs to include more details to help people. By clicking on the picture, you can see a higher resolution image. An OEM rebadge is when a brand-name customer purchases drives from LiteOn to sell under their own brand name.


This scrambling prevents the extraction of a firmware from the official firmware flasher and also prevents a firmware from being patched as patching tools only work on unscrambled firmwares. Posted by tiffyjax on Jul 02, There are two tools that can perform the region-freeing task.

If it is not, you should upgrade to the latest available firmware. Please enter a valid email address.

LITE-ON DVDRW SOHW-1633S resources, firmwares and drivers

By using this function the total writing time may rise a bit. Jun 21, Roxio Easy Media Creator 7. Helpful 1 Not Helpful Comment Flag.

Helpful 1 Not Helpful Comment Flag. Windows xp does not have a native driver for DVD writers.

dvdgw The second level of protection which is present only in DVD-writers is an internal drive identification usually in the form of a unique checksum stored in the EEPROM, which is unaffected by firmware flashes.

You need to use either the writing software supplied with the drive or Nero or equivalent. What is an OEM rebadge? I tried to do so this time but it is impossible to download any files from there.

The laser goes out fast on liteon Lite-on’s.

LITE-ON SOHWS resources and drivers

Hi there, Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two. You will also see the flash chip with the firmware, covered with a label that has the initial firmware revision the drive shipped with — BS What is an unscrambled firmware?


If you did not, your drive will not work and you will get this blinking light. It always detects them as cdrom.


Remove the base plate. Best thing about this new service is that you are never placed on hold and get to talk ddrw real repairmen in the US.

This list covers drive models from the era where 16x was the maximum single layer DVD write speed; 18x and above are not listed. One interesting thing is that the laser pickups have QR codes on them — disassembling both drives and scanning their pickups gives us the following photo: Many of these tools, if available, are no longer actively maintained, and as such will not work on your recent drives. They were my drives of choice when it came to testing.