HP Software
A7777-91037
is compatible in the following HP Models:
HP Workstation x1000
HP WORKSTATION X1000 - A7777A
HP WORKSTATION X1000 - A7778A
HP WORKSTATION X1000 - A7779A
HP WORKSTATION X1000 - A7780A
HP WORKSTATION X1000 - A7832A
HP WORKSTATION X1000 - A8063A