144f87b8_Jim_Taylor_s_Official_DVD_FAQ__DVD_RAM_disc
[0] DVD-R(G) unit [DVD-ROM disc] reads [DVD-R(G) disc] reads, writes [DVD-R(A) disc] reads [DVD-RW disc] reads [DVD+RW disc] usually reads [DVD+R disc] usually reads [DVD-RAM disc] 
doesn't read
r a r e l y r e a d s
d o e s n ' t r e a d
r e a d s , w r i t e s
Jim Taylor's Official DVD FAQ
DVD-RAM disc