This is my 3rd NEC 3550A from different vendors.
My MB is an old Asus P4S533. It has 2 Ultra DMA 133 port.
Port 1: One HD and one old Pioneer A104 DVD writer
Port 2: One HD and one OLD CD-ROM drive.
I use Ultra DMA133 cable on both ports. Pioneer works well.
Now I upgrade Pioneer to NEC 3550A. Nothing works. I cannot flash firmware, cannot write, can read. I read several posts and think I might have to use regular IDE 80pin cable to hook up NEC 3550A. Since I cannot change my HD layout (otherwise I will get ‘NTLDR is missing’ error), I have to install my spare Promise Ultra133 TX2 card and use regular 80pin IDE cable to connect 3550A to it.
Promise card URL:
http://www.promise.com/product/product_detail_eng.asp?segment=undefined&product_id=87
Post shows that NEC 3550A is UDMA 2, which is correct (?).
Now I am able to flash firmware (I use 1.Y6 now). But, I still cannot write on top of either default firmware or 1.Y6. I tried DVD+R DL and DVD-R. I tried Nero 6.6.0.6, DVD Decrypter.
Questions:
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NEC 3550A is a much newer product than Pioneer A104. How come its compatibility is so bad?
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Now I don’t think my drive is defective. Any ways to work around?
Thanks!