Problem in reading DVD-ROM booktype discs

vbimport

#1

I am using the 451s DVDR drive,
I found it only cannot read those DVD-ROM booktype discs which were burned by itself. other booktype it can read normally.

Those DVD-ROM booktype discs can be read by any other DVD drive.

it’s a very strange problem, can anybody help me?

(i’ve try to flash the drive w/ all possible firmware, such as, 451s@851s, 451s@832s)


#2

What disc type? Maybe the writing quality is crap so it can’t read the produced disc…


#3

Also know that your burner will always see it the orginal format of the disc as a +R. You will need to use Kprobe —Disc Info to see if the booktype is set to DVD-ROM

Bigdog


#4

all the disc changed to DVD-ROM booktype cannot be read by the burner,
such as, CMC MAGF01, MCC 003, VDSPMSAB001

but these disc can be read by my pioneer DVD-ROM and my LG DVDRW.

i think it’s not related to the writing quality because it also can’t read the disc produced by my LG DVDRW drive.

do u think it’s related to EEPROM?


#5

YES,
i have checked the disc is changed to DVD-ROM booktype.
if the booktype is DVD-ROM, the drive cannot read them

if the booktype is DVD+R, DVD+RW, it can read it!


#6

Hmmm well that is nice. What firmware do you have on the burner?

Bigdog


#7

i am now using 451s@851s GS0K patched by codeguys.


#8

Flashing your drive to another model sometimes produces unexpected results. :frowning:
You may want to try flashing back to a 451S to see if the drive can read DVD+R discs with a DVD-ROM booktype when using original firmware…


#9

I have already changed back to original firmware, but the problem still exist!!!
What can i do?


#10

Do you have an orginal backup of your EEprom? Also I had a 451S that started getting weird on me but the codeguys firmware :bow: :bow: :bow: (along with an EEprom flash) resurrected my drive!!!

Bigdog


#11

Try some really DVD-ROM in your bunner, if it couldn’t be read, it could be some problem related to your bunner


#12

Yes, i have backup my EEPROM, but how to use it?
is it use the EEPROM Utility?
and which option did you use?

would u mind telling me the instructions?
thank you!!!