EDIROL SD-90 Driver Ver.2.2.0 for Mac OS X For Product(s): SD-90 This is a driver for using the SD-90 on Mac OS X. Compatible with Apple`s standards of CoreAudio and CoreMIDI Universal Binary This driver can work on both CPU, Intel processors and PowerPC processors. Single/Dual processor support Can customize buffer size in System Preferences Managing precise recording and playback latencies. For Operating System(s): MacOSX