What do these speeds mean?

[Nye553]

CD-RW/DVD-ROM Combo 24X/24X/24X/8X Max?

CD-RW read 24x/write 24x?

DVD-ROM Read 24x/write 8x?

 

[Regs]

CD = 1x 150kb/s
DVD = 1 x 1400kb/s

 

[Aluvus]

CD read 24x/write 24x/rewrite 24x

DVD read 8x (noting as above that "8x" in this context means something different from what it means for CDs)

CD-RW/DVD-ROM combo drives do not write or rewrite DVDs. Only read.