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.Dd $Mdocdate: October 9 2007 $
.Dt INTRO 4 hppa
.Os
.Sh NAME
.Nm intro
.Nd introduction to special files and hardware support
.Sh DESCRIPTION
This section describes the special files, related driver functions,
and networking support available in the system.
In this part of the manual, the
.Sx SYNOPSIS
section of each configurable device gives a sample specification
for use in constructing a system description for the
.Xr config 8
program.
The
.Sx DIAGNOSTICS
section lists messages which may appear on the console
and/or in the system error log
.Pa /var/log/messages
due to errors in device operation; see
.Xr syslogd 8
for more information.
.Pp
This section contains both devices which may be configured into the system
and network related information.
The networking support is introduced in
.Xr netintro 4 .
.Sh DEVICE SUPPORT
This section describes the hardware supported on the
.Tn HP PA-RISC
platform.
Software support for these devices comes in two forms.
A hardware device may be supported with a character or block
.Em device driver ,
or it may be used within the networking subsystem and have a
.Em network interface driver .
Character and block devices are accessed through files in the file
system of a special type; see
.Xr mknod 8 .
Network interfaces are indirectly accessed through the interprocess
communication facilities provided by the system; see
.Xr socket 2 .
.Pp
A hardware device is identified to the system at configuration time
and the appropriate device or network interface driver is then compiled
into the system.
When the resultant system is booted, the autoconfiguration facilities
in the system probe for the device and, if found,
enable the software support for it.
If a device does not respond at autoconfiguration
time it is not accessible at any time afterwards.
To enable a device which did not autoconfigure, the system must be rebooted.
.Pp
The autoconfiguration system is described in
.Xr autoconf 4 .
.Sh SUPPORTED SYSTEMS
A list of
.Tn HP 9000/700
models targetted for support is listed below, including basic
system characteristics.
.Bl -column "J210XC" "200" "7300LC" "64/64(+1MB)" "Expansion" -offset left
.It "Model" Ta "MHz" Ta "CPU" Ta "Caches, KB" Ta "Expansion"
.It "705" Ta "35" Ta "7000" Ta "32/64" Ta "N/A"
.It "710" Ta "50" Ta "7000" Ta "32/64" Ta "N/A"
.It "720" Ta "50" Ta "7000" Ta "128/256" Ta "EISA, GSC"
.It "730" Ta "66" Ta "7000" Ta "128/256" Ta "EISA, GSC"
.It "750" Ta "66" Ta "7000" Ta "256/256" Ta "4 EISA, 2 SGC"
.It "715" Ta "33" Ta "7100" Ta "64/64" Ta "EISA/SGC"
.It "715" Ta "50" Ta "7100" Ta "64/64" Ta "EISA/SGC"
.It "715" Ta "75" Ta "7100" Ta "256/256" Ta "EISA/SGC"
.It "725" Ta "50" Ta "7100" Ta "64/64" Ta "3 EISA, EISA/SGC"
.It "725" Ta "75" Ta "7100" Ta "256/256" Ta "3 EISA, EISA/SGC"
.It "735" Ta "100" Ta "7100" Ta "256/256" Ta "EISA, SGC"
.It "742i" Ta "50" Ta "7100" Ta "64/64" Ta "N/A"
.It "745i" Ta "50" Ta "7100" Ta "64/64" Ta "4 EISA"
.It "745i" Ta "100" Ta "7100" Ta "256/256" Ta "4 EISA"
.It "747i" Ta "50" Ta "7100" Ta "64/64" Ta "2 EISA, SGC, 6 VME"
.It "747i" Ta "100" Ta "7100" Ta "256/256" Ta "2 EISA, SGC, 6 VME"
.It "755" Ta "100" Ta "7100" Ta "256/256" Ta "4 EISA, 2 SGC"
.It "735" Ta "125" Ta "7150" Ta "256/256" Ta "EISA, SGC"
.It "755" Ta "125" Ta "7150" Ta "256/256" Ta "4 EISA, 2 SGC"
.It "712" Ta "60" Ta "7100LC" Ta "32/32" Ta "GIO, TSIO"
.It "712" Ta "80" Ta "7100LC" Ta "128/128" Ta "GIO, TSIO"
.It "712" Ta "100" Ta "7100LC" Ta "128/128" Ta "GIO, TSIO"
.It "715" Ta "64" Ta "7100LC" Ta "128/128" Ta "EISA/GSC"
.It "715" Ta "80" Ta "7100LC" Ta "128/128" Ta "EISA/GSC"
.It "715" Ta "100" Ta "7100LC" Ta "128/128" Ta "EISA/GSC"
.It "715XC" Ta "100" Ta "7100LC" Ta "512/512" Ta "EISA/GSC"
.It "725" Ta "64" Ta "7100LC" Ta "128/128" Ta "EISA, 3 EISA/GSC"
.It "725" Ta "100" Ta "7100LC" Ta "128/128" Ta "EISA, 3 EISA/GSC"
.It "743i" Ta "64" Ta "7100LC" Ta "128/128" Ta "2 GSC-M/2(4), VME"
.It "743i" Ta "100" Ta "7100LC" Ta "128/128" Ta "2 GSC-M/2(4), VME"
.It "748i" Ta "64" Ta "7100LC" Ta "128/128" Ta "2 GSC-M/2(4), 4 EISA/PCI, 6 VME"
.It "748i" Ta "100" Ta "7100LC" Ta "128/128" Ta "2 GSC-M/2(4), 4 EISA/PCI, 6 VME"
.It "SAIC" Ta "60" Ta "7100LC" Ta "32/32" Ta "GIO, TSIO, 2 PCMCIA"
.It "SAIC" Ta "80" Ta "7100LC" Ta "128/128" Ta "GIO, TSIO, 2 PCMCIA"
.It "J200" Ta "100" Ta "7200" Ta "256/256" Ta "GSC, 2 EISA, 2 EISA/GSC"
.It "J210" Ta "120" Ta "7200" Ta "256/256" Ta "GSC, 2 EISA, 2 EISA/GSC"
.It "J210XC" Ta "120" Ta "7200" Ta "1MB/1MB" Ta "GSC, 2 EISA, 2 EISA/GSC"
.It "C100" Ta "100" Ta "7200" Ta "256/256" Ta "GSC, 3 EISA/GSC"
.It "C110" Ta "120" Ta "7200" Ta "256/256" Ta "GSC, 3 EISA/GSC"
.It "744" Ta "132" Ta "7300LC" Ta "64/64" Ta "2 GSC-M/2(4), VME"
.It "744" Ta "165" Ta "7300LC" Ta "64/64+512" Ta "2 GSC-M/2(4), VME"
.It "745" Ta "132" Ta "7300LC" Ta "64/64" Ta "2 GSC-M/2(4), 4 EISA/PCI"
.It "745" Ta "165" Ta "7300LC" Ta "64/64+512" Ta "2 GSC-M/2(4), 4 EISA/PCI"
.It "748" Ta "132" Ta "7300LC" Ta "64/64" Ta "2 GSC-M/2(4), 4 EISA/PCI, 6 VME"
.It "748" Ta "165" Ta "7300LC" Ta "64/64+512" Ta "2 GSC-M/2(4), 4 EISA/PCI, 6 VME"
.It "A180" Ta "180" Ta "7300LC" Ta "64/64" Ta "2 HSC/PCI"
.It "A180C" Ta "180" Ta "7300LC" Ta "64/64+1MB" Ta "2 HSC/PCI"
.It "B132L" Ta "132" Ta "7300LC" Ta "64/64(+1MB)" Ta "GSC/PCI, GSC/PCI/EISA"
.It "B132L+" Ta "132" Ta "7300LC" Ta "64/64(+1MB)" Ta "GSC/PCI, GSC/PCI/EISA"
.It "B160L" Ta "160" Ta "7300LC" Ta "64/64(+1MB)" Ta "GSC/PCI, GSC/PCI/EISA"
.It "B180L+" Ta "180" Ta "7300LC" Ta "64/64(+1MB)" Ta "GSC/PCI, GSC/PCI/EISA"
.It "C132L" Ta "132" Ta "7300LC" Ta "64/64(+1MB)" Ta "2 GSC/PCI/EISA, 2 GSC/EISA"
.It "C160L" Ta "160" Ta "7300LC" Ta "64/64(+1MB)" Ta "2 GSC/PCI/EISA, 2 GSC/EISA"
.It "RDI" Ta "132" Ta "7300LC" Ta "64/64(+1MB)" Ta "2 CardBus"
.It "RDI" Ta "160" Ta "7300LC" Ta "64/64(+1MB)" Ta "2 CardBus"
.It "RDI"  Ta "180" Ta "7300LC" Ta "64/64(+1MB)" Ta "2 CardBus"
.It "C160" Ta "160" Ta "8000" Ta "512/512" Ta "2 GSC/PCI/EISA, 2 GSC/EISA"
.It "C180" Ta "180" Ta "8000" Ta "1024/1024" Ta "2 GSC/PCI/EISA, 2 GSC/EISA"
.It "J280" Ta "180" Ta "8000" Ta "1024/1024" Ta "3 GSC/PCI, PCI, PCI/EISA"
.It "J282" Ta "180" Ta "8000" Ta "1024/1024" Ta "3 GSC/PCI, PCI, PCI/EISA"
.It "C200" Ta "200" Ta "8200" Ta "512/1024" Ta "GSC/PCI/EISA, 3 GSC/PCI"
.It "C240" Ta "240" Ta "8200" Ta "2048/2048" Ta "GSC/PCI/EISA, 3 GSC/PCI"
.It "J2240" Ta "240" Ta "8200" Ta "2048/2048" Ta "3 GSC/PCI, PCI, PCI/EISA"
.It "C360" Ta "360" Ta "8500" Ta "512/1024" Ta "GSC/PCI/EISA, 3 GSC/PCI"
.El
.Sh LIST OF DEVICES
A complete list of available devices is contained within the pages
describing the system buses and controllers.
For example, a PCI device would be listed in the
.Xr pci 4
man page.
The following buses and controllers list these devices:
.Pp
.Bl -tag -width "cardbus(4)XX" -offset ind -compact
.It Xr cardbus 4
introduction to CardBus support
.It Xr gsc 4
introduction to HP 9000/700 GSC bus support
.It Xr hil 4
introduction to HP-HIL support
.It Xr onewire 4
1-Wire bus
.It Xr pci 4
introduction to PCI bus support
.It Xr pcmcia 4
introduction to PCMCIA (PC Card) support
.It Xr usb 4
introduction to Universal Serial Bus support
.El
.Sh SEE ALSO
.Xr autoconf 4 ,
.Xr cpu 4 ,
.Xr io 4 ,
.Xr runway 4 ,
.Xr config 8
.Sh HISTORY
The
hppa
.Nm
first appeared with
.Ox 3.1 .