|  | 
| System Controller |  
| Option # | Manufacturing Part #
 | Description | Previous Part #
 |  
| X2763A
 [S] | System Controller Board Version 2 Upgrade |  
| 501-6631 24
 [F] | System Controller Version 2 | n/a |  
| X2763A-Z
 [S] | 501-7312 [F] | System Controller Version 2, L | n/a |  
| n/a | 501-5407
 [F] | System Controller Version 1 | n/a |  
| 24 The enhanced error logging feature of the version 2 system 
 controllers requires firmware 5.17.0 (or higher).  V1 and V2 system 
 controllers cannot be mixed within a system.  V1 and V2 system 
 controllers are not substitutable for one another. 
 |  
| Table Legend |  
| [F] = Field Replaceable Unit (FRU) [C] = Customer Replaceable Unit (CRU)
 [S] = Supported, but can no longer be ordered with this system
 [N] = No longer supported for this system
 Price = Price this Part
 |  |