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The first is to use the Windows firmware flasher built into the firmware package this is the most common way. And as with all other drives, the reading speed for dual-layer media pressed and recordable is also limited. Another way to get around this problem is simply to flash using another piece of software, such as LtnFW or MtkFlash. They were my drives of choice when it came to testing. Need help with booting to DOS? It always detects them as cdrom.

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However, since this is a LiteOn drive, you can set the drive to region free using several readily available utilities such as Kprobe. By using this function the total writing time may rise a bit.

Please keep in mind, however, dvdfw burning media above its rated speed may sometimes produce undesirable results. The LiteOn drives were extremely flexible, firmware wise, in terms of read-speed and write speed hacks, strategy re-labelling and swapping through Omnipatcher because of the big community that had built around guys at CD Freaks which included employees of LiteOn themselves.

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

Thanks for any help! I have burned dvd’s befor and don’t know how or why the driver changed. One replacemenf thing is that the laser pickups have QR codes on them — disassembling both sohw1633s and scanning their pickups gives us the following photo: What is an unscrambled firmware? After you have enabled the options in SmartBurn you will need to open and close the tray to activate the functions.


Need help with booting to DOS? The first time about 6 months ago I updated the firmware from the liteon homepage.


Answer questions, earn points and help others Answer questions. This only works for 3S and older models as OmniPatcher does not support drives after this. You may use these tags: Please enter a valid email address. The official flashers will also not allow you to downgrade your firmware e. Any ideas or has anyone the drivers, it seems that I just keep ‘loosing’ the dirvers.

Steve Allison Level 3 Expert Answers. An OEM rebadge is when a brand-name customer purchases drives from LiteOn to sell under their own brand name. However, LiteOn drives do have very conservative media-based read-speed limits LiteOn seems to prefer to err dvdwr the side of caution.

BIN file without a firmware flasher, you can use either LtnFW Windows, easy-to-use, models prior to the 5S model, without a serial flash or MtkFlash DOS, harder-to-use, but can be used for dead drive recovery, models prior to the 5S model, without a serial flash or for drives with a serial flash 5S, 6S, etc. How to open these drives? Ask a Question Usually answered reppacement minutes! Once you have done that, you can check out the crossflashing how-to guide.


Ask a Question Usually answered in minutes! But the community lite-oj always pulled through, and these were also some of my favourite drives when it came to overspeeding media such as the RICOHJPNR01 4x discs which would faithfully burn at 8x, everytime.

What is an OEM rebadge? What is Over Speed OS?

See the above question for instructions. This list covers drive models from the era where 16x was the maximum single layer DVD write speed; 18x and above are not listed. Proudly powered by WordPress.

LiteON SOHW-1633S

Most of the flashers found on the codeguys firmware page have already been FlashFixed! I have to emphasize that the tweaking was done in very small steps. Click “Add” to insert your video. Your answer needs to include more details to help people.