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This approach is best understood when the HP Alpha Hardware Virtualization Software is viewed as a special interface between the old HP Alpha software and a new hardware platform. Basically, the CHARON Charon software presents a HP Alpha hardware interface to the original HP Alpha software, so that the existing software cannot detect a difference. This means no changes have to be made to the existing software. User programs and data can be copied to a new modern industry standard server (64-bit Intel or AMD) and continue to run for many more years.
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The principles of HP Alpha Hardware Virtualization
Virtualized hardware
CHARONCharon-AXP virtualizes various HP Alpha architectures and meets or exceeds the performance level of these HP Alpha systems when run on the recommended hardware platform.
The following table shows which hardware boards CHARON Charon virtualizes:
Subsystem | Covered HP Alpha hardware |
Serial Lines Controllers | |
| IDE/ATAPI CD-ROM Controller | Virtual Acer Labs 1543C |
| PCI Fibre Channel Controller | KGPSA-CA |
PCI SCSI Controller | |
| PCI Network Controllers | DE435, DE450, DE500AA, DE500BA, DE602, DE602AA |
| PCI Audio Controllers | PCXBJ |
| PCI Graphics card | PBXGA |
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