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CHARON-AXP offers a one- (OPA0) or two-port serial console, depending on the specified HP Alpha model.
The The AlphaServer DS10, AlphaServer DS10L, AlphaServer DS15, AlphaServer 400, AlphaServer 800, AlphaServer 1000 and AlphaServer 1000A has an additional on-board serial line controller providing a serial line TTA0.
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