CD-R is a recordable Compact Disk

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22
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4answers
6k views

Is it safe to use a regular marker (Sharpie, etc.) to write on a CD-R disc?

In the past I've used a special CD-R marker to write on CD-R's. But I'm wondering if it's OK to just use a regular felt-tip marker (Sharpie, etc.). (Obviously, a pen that you have to use pressure ...
8
votes
4answers
17k views

How to burn rEfit .cdr or .dmg in Ubuntu or Windows?

I don't have Mac OS X installed on my MacBook Pro, but I have Ubuntu and Windows. I was following this website's instructions to boot faster into Ubuntu without a 30 second delay. However I can't ...
6
votes
2answers
1k views

what prevents cd-r from being rewritten?

I know its kind of a dead / dieing technology but i was wandering what stops a cd-r from be rewritten like a cd-rw. Is it a sort of firm-ware on the disc essentialy in place to make people buy more ...
1
vote
1answer
1k views

How to burn a .cdr file using Fedora?

My Macbook crashed so I don't have access to DiskUtility to burn an OSX .CDR dvd. I have booted into Fedora with a LiveCD, but I cannot seem to find anything that will allow me to burn the cdr file ...
1
vote
1answer
126 views

Count total file size of many files in Windows

When I want to burn a CD R with lots of files, I have to make sure the total file size in my folder doesn't exceed the capacity of the disc (680MB). In Windows are there possibilities to check the ...
0
votes
1answer
381 views

How do we calculate CD writing speed

I am doing a pass paper question of my exam and I got following question. What is the maximum amount of data that can be written within 1 second to a 52X CD-R using a CD Writer with a write speed of ...
-3
votes
1answer
22 views

What feature must a CD-R drive have to add more information to a previously recorded CD-R disk?

I'm thinking it’s either multi-session or Regional Code (RPC-1 or RPC-2)? I don't see how multi-speed would have anything to do with it?