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Index
Important Notice
Read the following before attempting any upgrade:
  • Perform the upgrade at your OWN RISK as any upgrade will void your warranty and forfeit any support from the manyfacturer(s).
  • We DO NOT TAKE ANY RESPONSIBILITY when something goes wrong during the upgrade.
  • The upgrade is intended for EXPERT USERS only who know what they are doing.
  • Only perform the upgrade when it is absolutely necessary, for example to use the CD-Writer with incompatible burning software programs.
  • Before performing the upgrade turn off and exit ALL CD-related programs which may interfere with the upgrade (especially packet-writing software like Adaptec DirectCD or Ahead InCD).
  • Always power off the computer to perform a COLD BOOT. Then turn on the computer and test if the upgrade was successful.
Upgrade a Yamaha CRW2260 to a CRW4260
Introduction:
  • This fix will upgrade a Yamaha CRW2260 (2x speed CD-R / 2x speed CD-RW) to a CRW4260 (4x speed CD-R / 2x Speed CD-RW).
  • Double-click on the mainboard picture to have a full screen version.
Important Notes:
  • Perform this upgrade at your own risk, changing anything to the mainboard will for sure void your guarantee!
  • There were some problems with the "C" revision but they are solved when using firmware 1.0f or older.
  • Add a cooler which cools down the writer to avoid write errors due to overheating.

How-to:

  • Leave the writer-tray open and turn off the computer.
  • Open the bottom-cover of the writer (4 little screws).
  • Disconnect all wires from the mainboard.
  • Take out the mainboard and turn it like the picture above.
  • Check which revision the mainboard is (the letter A, B or C is printed inside a square)
    This fix will work with revision B and C.
  • Locate the resistor R621 (3,3 k), see white arrow in the picture.
    The Q/D printed on the mainboard stand for quatro/double
  • Cut the R621 resistor (with a soldering iron or with a pliers)
  • take all the parts together
  • Reconnect the mainboard and close the bottom-cover.
  • Turn the computer on and check if it now is a:  Yamaha CRW4260

Firmware updates:

  • Yamaha CDR400 firmware updates can be found on the Yamaha website. 

Upgrade FAQ:

  • I don't trust you is that really possibly?
    yes, it is.
  • I want to convert a CD-Writer XY with brand Z, is that possible?
    no, it is only possible with the two Yamaha-recorders and of course the Traxdata-writers, which are the same.
  • How many Yamaha CRW 2260 you have tuned?
    not one (one writer is enough).
  • How many writers were tuned with success?
    I know about 50.
  • How many writers were tuned without success?
    5-10, but you can use it as 4260 if you use an older firmware.
  • My Yamaha-recorder has read- or write errors, why?
    You have no additional cooler over your writer and so it has a heat error.
  • Does the upgrade work with any revision?
    Yes.
  • Does a upgraded Yamaha CRW 2260 work correct with 4 times speed?
    Yes.
  • Some upgraded writer have only 1 Mb cache, are buffer-underruns possible?
    No, most CD writes have 1 Mb which is sufficient.

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