6.7. PA-RISC Systems
The designs of specific systems using PA-RISC processors can have particular effects on performance. This section reviews major PA-RISC systems at a high level. For complete information, refer to the detailed documentation for a specific system.
6.7.1. Early Models
Figure 6-8 shows an early type of architecture: the HP-PB-based Series 800 Models F, G, H, and I servers. (HP-PB stands for HP Precision Bus architecture.)
Figure 6-8. Early PA-RISC Systems
The original HP-PB systems used a single backplane to which everything was connected. Later HP-PB systems also included a private memory bus (PMB) between the CPU and memory, ...
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