The maximum number and type of I/O drawers you can install in your hp AlphaServer
system depends upon the type of system you have, as shown in Table1–1.
Table 1–1 I/O Drawers Supported by Model
hp AlphaServer
Model
I/O Drawer
Maximum
High-performance
I/O Drawer
Maximum
I/O Drawer
Type
ES47 Model 2 1 1, with 2 slots active Expansion
ES47 Model 4 2 1, with 4 slots active Expansion
ES80 Model 2 1 1, with 2 slots active Expansion
ES80 Model 4 2 1, with 4 slots active Expansion
ES80 Model 6 3 1, with 6 slots active Expansion
ES80 Model 8 4 1, with 8 slots active Expansion
GS1280 Model 8 8 2, with 8 slots active Master or
Expansion
GS1280 Model 16 16 2, with 8 slots active Master or
Expansion
GS1280 Model 32 16 2, with 8 slots active Master or
Expansion
GS1280 Model 64 16 2, with 8 slots active Master or
Expansion
Figure 1-1 illustrates an example: the ES80 Model 8, which supports 4 I/O expansion
drawers.
Overview 1-3