Dual sites for PMC 32bits/33Mhz Carrier boards MIC-3950 Dual PMC Carrier Dual sites for either CD-ROM or FDD and HDD 32bits/33Mhz MIC-3960 Storage device Carrier MIC-3961 PCI card Carrier One site for PCI card to CPCI interface 32bits/33Mhz * 64 bits is available on MIC-3951