20.1.Configuration Hardware

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Hardware Configuration

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Hardware ConfigurationHardware Configuration

Understand hardware resource allocation (IRQs, I/Oports and DMA)Overview hardware devices such as expansion cards,

USB and SCSI devicesDetection of network interfaces and printers (noconfiguration)Understand basic configuration steps for modems andsound cards

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R esource AllocationR esource Allocation

ResourceI RQsI/O addressDMA

Listing Allocated R esourcesLspcidmesg

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R esource Allocation (Conts)R esource Allocation (Conts)

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R esource Allocation (Conts)R esource Allocation (Conts)

Manual Resource AllocationEdit / etc / lilo.conf (use an append= statement) or / etc / grub.conf .

Using / etc /m odules.conf (or / etc / conf. m odules ).

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P C Expansion CardsP C Expansion Cards

TypesISAPCI

Control PnP devicesIsapnptools: provided the pnpdu m p tool( / etc / isapnp.conf ) for control expansion cardModule: isapnp.o

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USB S upportUSB S upport

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USB S upport (cont)USB S upport (cont)

Hotpluggingkeep the state of the operating s ystem updated when pluggable hardwaredevices are added or removed.h otplug script runs all the scripts in / etc / h otplug.d (the default isdefault. h otplug ) which in turn starts the appropriate agent listed in

/ etc / h otplug .

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USB S upport (cont)USB S upport (cont)

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S CSI DevicesS CSI Devices

Types of S CSI devicesan 8-bit interface with a bus that supports 8 devices,a 16-bit interface (WIDE) with a bus that supports

16 devicesSCSI devices are uniquel y identified using a set of 3 numbers called the S CSI I D:

the SCSI channel (Each SCSI adapter supports one

data channel)the device ID number (jumpers on the disk)the logical unit number LUN

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S CSI Devices (Cont)S CSI Devices (Cont)

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N etwork cardsN etwork cards

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S etting up m ode m sS etting up m ode m s

Mode m deviceInternal modem

External Modem

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S etting up m ode m s (Cont)S etting up m ode m s (Cont)

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S etting up m ode m s (Cont)S etting up m ode m s (Cont)

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S etting up m ode m s (Cont)S etting up m ode m s (Cont)

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S etting up m ode m s (Cont)S etting up m ode m s (Cont)

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S etting up m ode m s (Cont)S etting up m ode m s (Cont)

IS DN

isdn4linux project: isdn4k-utilssyste m -config-network

ADS L

P ppoe , pppoA

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P rinter ConfigurationP rinter Configuration

Steps of printingFirst the raw data is filtered into a postscript format,the printing itself is handled b y the ghostscript,

ToolsDmesggs

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P rinter ConfigurationP rinter Configuration

U sing printtool

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P rinter Configuration (conts)P rinter Configuration (conts)

U sing cupsmain configuration files are stored in / etc / cups .own filters situated in / usr / lib / cups .Web based GUI running on port 631

lpd is replaced b y the cupsd daemon

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S ound CardsS ound Cards

Two sound support projectsopen sound s ystem (OSS)

Advanced Linux sound architecture (A LSA)

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S ound Cards (Cont)S ound Cards (Cont)

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Summar ySummar y

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Summar y (Cont)Summar y (Cont)

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Summar y (Cont)Summar y (Cont)