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SATA DVD Burner

Might have to put off buying that nec 2500a. Release date?
 
Although it won't make a difference in speed I'm glad to see SATA Optical drives popping up. Now if only I could get Plextor to make a SCSI model....
 
I think they're swearing off SCSI now.. concentrating on IDE and SATA. Anyways, with the exception of lower CPU usage, what do SCSI optical drives offer that IDE/SATA drives don't?
 
Originally posted by TechHead
what do SCSI optical drives offer that IDE/SATA drives don't?
Click to expand...

multiple SCSI devices on a single channel
like CD\DVDRW + Tape + old slow HDDs on one channel
and 15 fast HDDs on another
off a single dual channel PCI HBA :p


well It was bound to happen sooner than later
but I still think its a waste of a good SATA port :p
But then your "typical" rig doesnt have quite as many HDDs as mine does
it will make alot more sense with SATA II, port multiplication
 
With one of these you could burn some of that pr0n to DVD so you wouldn't need as many hard drives.:p
 
yeh but I could do that with a 40 wire IDE cable too :p

its still a maximum of UDMA mode 2 (33MB/s)
150MB/s (burst capacity, fully supported) is just overkill
 
That never stopped anyone from buying faster stuff. It's like the USB-PS/2 mouse wars all over again. `d00d, my mouse can transfer a full megabyte per second, yours is like 9600 baud. watch me rack up the frags in CS now cause my mouse is so l33t` :(
 
Does this drive have a native SATA controller? Also, will this support Dual-Layer DVDs? Also, I wonder what the price will be. If anyone knows anything, or where to find more information, please post. Thanks.

SuperG
 
Originally posted by Snugglebear
That never stopped anyone from buying faster stuff. It's like the USB-PS/2 mouse wars all over again. `d00d, my mouse can transfer a full megabyte per second, yours is like 9600 baud. watch me rack up the frags in CS now cause my mouse is so l33t` :(
Click to expand...

LOL :p

actually if your a serious case modder, and you have the extra ports, sure would make a clean cable solution, Im sure they will sell just fine
 
Originally posted by SuperG
Does this drive have a native SATA controller? Also, will this support Dual-Layer DVDs? Also, I wonder what the price will be. If anyone knows anything, or where to find more information, please post. Thanks.

SuperG
Click to expand...
I'm guessing no to the first two questions. If Plextor is offering a parallel ATA version as well, it would be wasteful to redesign the whole host bus interface section on the circuit board just for the sake of a native implementation. Frankly this doesn't concern me one bit. As for DL support, I'm guessing they would have advertised that if the drive had it.
 
Id agree they are probably just using an internal ATAPI certified bridge like this
 
Originally posted by Ice Czar
yeh but I could do that with a 40 wire IDE cable too :p

its still a maximum of UDMA mode 2 (33MB/s)
150MB/s (burst capacity, fully supported) is just overkill
Click to expand...
What about all that talk of how ATA can lead to data corruption? Is that only in hard drives?
 
I'll buy one just for the cabling. IDE Cables are a bitch to work with... The sooner were pure SATA the better.
 
Originally posted by EnderW
What about all that talk of how ATA can lead to data corruption? Is that only in hard drives?
Click to expand...
Parallel ATA is much more susceptible to cross-talk. This can cause data corruption in some cases. For a much more detailed analysis of the causes and degree of risk involved, read this informative article:

http://www.lostcircuits.com/advice/sata150/

Hah, I beat Ice Czar to it ;)
 
Yeah I know about those links, and I haven't had time to read all the way through them (hey, I'm a busy guy!) and I was wondering if all the bad things about ATA pertained only to hard drives or all ATA devices (hard drives, optical drives, floppy, etc).
 
Damnit, I knew I shoulda waited, but I wanted a DVD burner so bad. I already bought and painted my 708A. Owell, rounded cables make it easier, so i'll live.
 
Originally posted by TechHead
what do SCSI optical drives offer that IDE/SATA drives don't?
Click to expand...

Besides lower CPU usage, and being able to hang 14 of them off a single channel, the best one is NATIVE support. The whole reason ATAPI exists is to overcome the limitations of the IDE/ATA bus. Native IDE/ATA can't control many of the functions of a CD-ROM/DVD-ROM, like opening and closing the door, playing music, etc., are all done using SCSI commands that are "wrapped" inside an ATA packet and sent back and forth from the drive :) I don't know if SATA spec has overcome this but I would doubt it. It's not really that big of a deal anymore, but getting IDE CD-ROM's and especially CD burners to work years ago used to be a pain in the ass.
 
yea but you live in /dev/null mate... you dont see a whole lot their so you wouldnt really know.. :D
 
Originally posted by EnderW
Yeah I know about those links, and I haven't had time to read all the way through them (hey, I'm a busy guy!) and I was wondering if all the bad things about ATA pertained only to hard drives or all ATA devices (hard drives, optical drives, floppy, etc).
Click to expand...

the standard works just fine at 33MB/s (or lower) especially with modern devices, but when it was originally developed (AT Attached) the speed was 5MB/s, so asking it to do 100\133MB/s is about as far as it will ever go

its that extra speed that is causing the problems even with the 80wire cables to reduce crosstalk
add in "bridges" like hotswap trays, poor routing inside the case where electromagnetic fields or ground planes change the signal quality, or the wide variety of devices "reflections" (being unterminated) and there are issues
 
Originally posted by tdg
Native IDE/ATA can't control many of the functions of a CD-ROM/DVD-ROM, like opening and closing the door, playing music, etc., are all done using SCSI commands that are "wrapped" inside an ATA packet and sent back and forth from the drive :) I don't know if SATA spec has overcome this but I would doubt it. It's not really that big of a deal anymore, but getting IDE CD-ROM's and especially CD burners to work years ago used to be a pain in the ass.
Click to expand...

SATA still uses the same goofy register interface that PATA uses. This means SATA still uses ATAPI to wrap SCSI commands into the ATA interface. Basically SATA is just an upgrade to the physical interface (the wire, transmitters, receivers) the protocol remains unchanged (well, until NCQ takes off)
 
Originally posted by aug1516
Although it won't make a difference in speed I'm glad to see SATA Optical drives popping up. Now if only I could get Plextor to make a SCSI model....
Click to expand...

Wait until the end of the year, you can then move to Serial Attached SCSI, which supports SATA devices on the same controller. Best of both worlds!
 
Originally posted by UICompE02
Wait until the end of the year, you can then move to Serial Attached SCSI, which supports SATA devices on the same controller. Best of both worlds!
Click to expand...

Good point, probably why they have not come out with a SCSI model yet.
 
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