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NAMEppc —
Parallel Port Chipset driver
SYNOPSISdevice ppc
In /boot/device.hints:
For one or more PPBUS busses:
DESCRIPTIONTheppc driver provides low level support to various
parallel port chipsets for the
ppbus(4)
system.
During the probe phase, During the attach phase, Supported flags
Supported chipsetsSome parallel port chipsets are explicitly supported: detection and initialisation code has been written according to their datasheets.
Adding support to a new chipsetYou may want to add support for the newest chipset your motherboard was sold with. For the ISA bus, just retrieve the specs of the chipset and write the correspondingppc_mychipset_detect () function.
Then add an entry to the general purpose
ppc_detect () function.
Your
SEE ALSOppbus(4), ppi(4), device.hints(5)HISTORYTheppc manual page first appeared in
FreeBSD 3.0.
AUTHORSThis manual page was written by Nicolas Souchu.BUGSThe chipset detection process may corrupt your chipset configuration. You may disable chipset specific detection by using the above flags.
Visit the GSP FreeBSD Man Page Interface. |