| Option # | Top Level Part #
 | Manufacturing Part #
 | Description | Substitute Part #
 | 
           
            | X1032A | 595-4258 | 501-5656 
              [F] | Single-Ended Ultra/Wide SCSI (SunSwift 
              PCI) + 10/100 Ethernet | 501-2741 
              [F] | 
           
            | X1232A | 595-5306 | 501-5570 
              [F] | Compact PCI (cPCI) Single Ended UltraSCSI 
              + 10/100 Ethernet | n/a | 
          
            | X2222A | 595-5624 | 501-5727 
              [F] | Dual FastEthernet + Dual SCSI PCI Adapter | n/a | 
           
            | X6540A | 595-4399 | 375-0005 
              [F] | Dual Single-Ended Ultra/Wide SCSI (PCI) | n/a | 
           
            | X6541A | 595-4414 | 375-0006 
              [F] | Dual Differential Ultra/Wide 
              SCSI (PCI) | n/a | 
           
            | X6749A | 595-5716 | 375-0119 
              [F] | Dual Differential Ultra SCSI (cPCI) | n/a | 
           
            | X6758A | 595-5945 | 375-3057 [F] | PCI Dual Ultra3 SCSI Host Adapter * | n/a | 
      
  
            | * - The necessary drivers (SUNWqus & SUNWqusu) 
              and patches for this product are not included in Solaris 8 or 9, 
              but must be downloaded. Please see infodoc 
 
47841 
               
for details. |