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-   -   Holographic Versatile Disc stores 1TB (https://www.techwarelabs.com/community/showthread.php?t=10070)

Uranium-235 09-06-2004 03:41 PM

Holographic Versatile Disc stores 1TB
 
"Japan-based Optware Corp. has announced it had achieved successfully the world's first recording and play back of digital movies on a Holographic Versatile Disc (HVD) with a reflective layer using Optware's revolutionary Collinear Holography."

Read more here!

gnogtr 09-06-2004 05:19 PM

Kinda expensive aren't they?

Uranium-235 09-06-2004 05:53 PM

give it time man

gnogtr 09-06-2004 05:59 PM

I know...I can't wait to get one in RW format...**drooles**

StinkyMojo 09-06-2004 09:12 PM

HAH!.. rw dual layer :)

Jason425 09-07-2004 11:07 AM

100x speed...burners are free after rebate

vee_ess 09-09-2004 03:26 AM

Quote:

Originally Posted by gnogtr
I know...I can't wait to get one in RW format...**drooles**

It won't be too long; the first DVD players were over 1200 a peice at introduction and were down to about 400 in less than a year.

Who needs a hard drive with one of those things!

Jason425 09-09-2004 10:48 AM

having all your data on one of those discs could prove to be unreliable.. scratch.. and there goes the farm! but you could make backups I guess.. also, they'd prob be noisy... and seek time would be slow

Uranium-235 09-09-2004 01:20 PM

as long as the scratch isn't deep, it should be ok.

You do need a hard drive. I bet HVD-RW's would be ATA-66 max

vee_ess 09-10-2004 01:06 PM

Well at about 8 times the bandwidth of SATA and 4 of SCSI, I'm wondering what they would be using.

Uranium-235 09-10-2004 03:28 PM

oh, I didn't see the "1 gigabyte per second". hmmm. Might require it's own PCI/-E card?

Jason425 09-10-2004 04:56 PM

well since we aren't even taking advantage of most ata 133 and sata150.. 1 gig per second is about as important as pci-express at this point...

Uranium-235 09-10-2004 05:05 PM

I forget exacly how fast PCI-E 8X is, but that might be it (I think it's like 2GBps). The HVD-RW might hook directly to a card on the 8x part of the bus

Jason425 09-10-2004 05:07 PM

pci express is twice the bandwidth of agp, which is great and all.. but for current use, is worthless.. aka sata and that disc.. for now..

Uranium-235 09-10-2004 05:11 PM

PCI-E 16X is twice the bandwidth of AGP

there's also PCI-E 8X, 4X, and I think a 1X too

there's actually video cards out there for PCI-E 8X too

Jason425 09-10-2004 05:14 PM

I didn't know there was 8 and 4.. I knew there was 1 ... for regular stuff...

Uranium-235 09-10-2004 06:57 PM

http://www.compuplus.com/insidepage.php3?id=1002780

vee_ess 09-10-2004 10:25 PM

The 1X, 4X, 8X and 16X speeds are in comparison to AGP 1X. Basically, when we all switch over to PCI-E 16X, we know what to do with the AGP 2.0 and 3.0 (4X and 8X) slots... (1 and 2 GBPS).... HVD and RAIDed HVD's. :firedevil:

Uranium-235 09-10-2004 10:57 PM

I really dont think you can read data off a disc like that @ 1gbps. the disc would have to be constently spinning, at an extremly fast rate (motor would probably brake within a few weeks). I woulden't use a disc storage as a constant access drive, I seriousely doubt it would work.

vee_ess 09-10-2004 11:20 PM

The peak data rate would be at up to 1 gbps at the parts of the disc with the greatest radius, with the minimum probably around 40% of that and the average at about 80% of that. DVD readers already read and write at 25 mbps and that's for a single stream of data.


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