|  | 
| Input Device |  
| Option # | Manufacturing Part #
 | Description | Previous Part #
 |  
| X180A
 [S] | 595-1865 | SunButtons 32-key function I/O device | n/a |  
| X190A
 [S] | 595-1737 | SunDials 8-dial interactive graphics I/O for 3-D | n/a |  
| X495A
 [S] | 370-1414
 [F] | SunMicrophone | n/a |  
| n/a | 370-1678
 [F]
 [S] | Sun Microphone II | n/a |  
| 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
 |  |