RUNWAY(4) - Device Drivers Manual (hppa) # RUNWAY(4) - Device Drivers Manual (hppa)
NAME # runway - Runway bus
SYNOPSIS # uturn* at mainbus?
DESCRIPTION # The runway bus is a CPU and memory bus on systems based on the PA-7200, PA-8000, and later CPUs. The runway bus is a 64-bit multiplexed address/data bus with support for cache coherency and allows up to 4-way SMP system configurations.
One or two uturn(4) bridges connect the runway bus to the system’s gsc(4) or pci(4) buses.
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UTURN(4) - Device Drivers Manual (hppa) # UTURN(4) - Device Drivers Manual (hppa)
NAME # uturn - U2/Uturn, Runway to GSC Bus bridge & IOA
SYNOPSIS # uturn* at mainbus? astro* at uturn? dino* at uturn? lasi* at uturn? gecko* at uturn? sti* at uturn?
DESCRIPTION # uturn provides the functionality of IOA (not currently supported) as a bridge from the Runway bus (see runway(4) for more information) to GSC.
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WAX(4) - Device Drivers Manual (hppa) # WAX(4) - Device Drivers Manual (hppa)
NAME # wax - GSC bus controller and I/O subsystem
SYNOPSIS # wax* at mainbus0 irq 24 wax* at phantomas0 irq 24 gsc2 at wax?
DESCRIPTION # The wax GSC bus controller is a version of lasi(4) with limited functionality and no additional devices on the crystal. It is mainly used as a GSC bus controller for additional onboard devices (e.
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