SCSI-2
Ultra SCSI
Ultra Wide SCSI
這上列三個有什麼不同?

CD-RW: Plextor PLEXWirter 12/10/32S... (Made in Japan)
CD-ROM: Plextor UltraPLEX 32S...(Made in Japan)
另外這二個裝置都插在同一張卡上嗎?