Often Cdrom are larger than their printed capaicty : here are various CDRom tested :

• 80 tdk cd-r80 “metallic” / silver : 79:57.71 703Mb
• Memorex 80 / silver : 702.83 M
• trax_data 80 / silver (black ink)

• trax_data 74 / gold (8x paper txg874sp ) (blue print) : 658.74 M
• tdk 74 / silver (blue print) : 659 M
• Memorex 74 / silver (blue print) : 657 M
• Sony 74 / silver (silver_print ) : 656 M
• unbranded cdr_pro 74 / silver (white_print) : 74.28. mins = 654 M

• unbranded / silver : no print , bad qual
• unbranded / silver : Xeo silvermaster , bad qual
• Verbatim :
• Philips / gold
• Sony / gold
• Maxell / gold

734003200 = 700M ; 736100352 = 702M ; 736970670 ~= 702.8

http://www.cdmediaworld.com/hardware/cdrom/cd_cdr_info_fs.shtml

http://www.cdrfaq.org/

# cdrecord -atip -dev=0,0,0 #tdk cdr-80 metallic 48x

ATIP start of lead in:  -11634 (97:26/66)
ATIP start of lead out: 359846 (79:59/71)