GD-rom backup
- DCPepperoni
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GD-rom backup
hey..
i've just been reading a document talking about why normal dreamcast cds can store up too 1gb....
well this doc says it eliminates error correction and reduncy.. in brief...
it is possible to turn a normal cd-rom drive into a gd-rom drive..
- preparing the drive consists of removing the magnetic strip inside...
if anyone else has seen this doc.. or has any relavent info on this please say something....
PS: i will post a link soon...
i've just been reading a document talking about why normal dreamcast cds can store up too 1gb....
well this doc says it eliminates error correction and reduncy.. in brief...
it is possible to turn a normal cd-rom drive into a gd-rom drive..
- preparing the drive consists of removing the magnetic strip inside...
if anyone else has seen this doc.. or has any relavent info on this please say something....
PS: i will post a link soon...
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- DCPepperoni
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- DCPepperoni
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- DCPepperoni
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Document Excerpt:
The first thing we need is a CD-R drive, buy a cheap one, something you won't mind taking apart. Also, it MUST be capable of reading 80 min CDs/CD-RW without a problem and with digital audio extraction. Although I haven't tried this out with a DVD drive yet, it should do even better, because the laser autoadjusts to read different formats. The drive I'm using is an Artec 50x, another one that works is the Acer 32x.
OK, once we have our drive, we need to adapt it. The first thing to do is to take off the drive's cover (the outer shell), both the upper and lower plates and if necessary, freeing the CD bay (take off the disc tray).
Once we have our "naked" drive, we take off the magnetic sheet, which fixes and centers the CD within the drive, in my case (Artec 50x), it's the strip that goes over the drive from one end to the other with a circle in the center, this circle is magnetized. Right, we take off the screws and keep this sheet aside, it should be easy to take off whenever we like. We finally have our drive ready, no need to say we should have full access to the top of the CD whenever we need, so don't shove the drive inside your computer case.
The first thing we need is a CD-R drive, buy a cheap one, something you won't mind taking apart. Also, it MUST be capable of reading 80 min CDs/CD-RW without a problem and with digital audio extraction. Although I haven't tried this out with a DVD drive yet, it should do even better, because the laser autoadjusts to read different formats. The drive I'm using is an Artec 50x, another one that works is the Acer 32x.
OK, once we have our drive, we need to adapt it. The first thing to do is to take off the drive's cover (the outer shell), both the upper and lower plates and if necessary, freeing the CD bay (take off the disc tray).
Once we have our "naked" drive, we take off the magnetic sheet, which fixes and centers the CD within the drive, in my case (Artec 50x), it's the strip that goes over the drive from one end to the other with a circle in the center, this circle is magnetized. Right, we take off the screws and keep this sheet aside, it should be easy to take off whenever we like. We finally have our drive ready, no need to say we should have full access to the top of the CD whenever we need, so don't shove the drive inside your computer case.
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right..... I kind of see what they are doing. And in theory it could work. Could you send me this document. sonic_animator@hotmail.com
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- DCPepperoni
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I would have another reason to want to mod a drive: a gigabyte of stored data for a PC backup would be awesome, and a GD-ROM based homebrew would be even better, btw the word firmware: hint... hint..., software on a chip.
if you know how to dump the firmware to a file, you can convert to x86 asm and rebuild then flash the firmware on the PC CD-ROM, if you also have the code within the firmware of the original drive, so you can make a GD/CD-RW/DVD combo laptop drive, though you must know SH4 asm and 80386+ asm do do that
if you know how to dump the firmware to a file, you can convert to x86 asm and rebuild then flash the firmware on the PC CD-ROM, if you also have the code within the firmware of the original drive, so you can make a GD/CD-RW/DVD combo laptop drive, though you must know SH4 asm and 80386+ asm do do that