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|
#
# IDE ATA ATAPI Block device driver configuration
#
# Andre Hedrick <andre@linux-ide.org>
#
menu "ATA/ATAPI/MFM/RLL support"
config IDE
tristate "ATA/ATAPI/MFM/RLL support"
---help---
If you say Y here, your kernel will be able to manage low cost mass
storage units such as ATA/(E)IDE and ATAPI units. The most common
cases are IDE hard drives and ATAPI CD-ROM drives.
If your system is pure SCSI and doesn't use these interfaces, you
can say N here.
Integrated Disk Electronics (IDE aka ATA-1) is a connecting standard
for mass storage units such as hard disks. It was designed by
Western Digital and Compaq Computer in 1984. It was then named
ST506. Quite a number of disks use the IDE interface.
AT Attachment (ATA) is the superset of the IDE specifications.
ST506 was also called ATA-1.
Fast-IDE is ATA-2 (also named Fast ATA), Enhanced IDE (EIDE) is
ATA-3. It provides support for larger disks (up to 8.4GB by means of
the LBA standard), more disks (4 instead of 2) and for other mass
storage units such as tapes and cdrom. UDMA/33 (aka UltraDMA/33) is
ATA-4 and provides faster (and more CPU friendly) transfer modes
than previous PIO (Programmed processor Input/Output) from previous
ATA/IDE standards by means of fast DMA controllers.
ATA Packet Interface (ATAPI) is a protocol used by EIDE tape and
CD-ROM drives, similar in many respects to the SCSI protocol.
SMART IDE (Self Monitoring, Analysis and Reporting Technology) was
designed in order to prevent data corruption and disk crash by
detecting pre hardware failure conditions (heat, access time, and
the like...). Disks built since June 1995 may follow this standard.
The kernel itself doesn't manage this; however there are quite a
number of user programs such as smart that can query the status of
SMART parameters from disk drives.
To compile this driver as a module, choose M here: the
module will be called ide.
For further information, please read <file:Documentation/ide.txt>.
If unsure, say Y.
if IDE
config IDE_MAX_HWIFS
int "Max IDE interfaces"
depends on ALPHA || SUPERH || IA64
default 4
help
This is the maximum number of IDE hardware interfaces that will
be supported by the driver. Make sure it is at least as high as
the number of IDE interfaces in your system.
config BLK_DEV_IDE
tristate "Enhanced IDE/MFM/RLL disk/cdrom/tape/floppy support"
---help---
If you say Y here, you will use the full-featured IDE driver to
control up to ten ATA/IDE interfaces, each being able to serve a
"master" and a "slave" device, for a total of up to twenty ATA/IDE
disk/cdrom/tape/floppy drives.
Useful information about large (>540 MB) IDE disks, multiple
interfaces, what to do if ATA/IDE devices are not automatically
detected, sound card ATA/IDE ports, module support, and other
topics, is contained in <file:Documentation/ide.txt>. For detailed
information about hard drives, consult the Disk-HOWTO and the
Multi-Disk-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.
To fine-tune ATA/IDE drive/interface parameters for improved
performance, look for the hdparm package at
<ftp://ibiblio.org/pub/Linux/system/hardware/>.
To compile this driver as a module, choose M here and read
<file:Documentation/ide.txt>. The module will be called ide-mod.
Do not compile this driver as a module if your root file system (the
one containing the directory /) is located on an IDE device.
If you have one or more IDE drives, say Y or M here. If your system
has no IDE drives, or if memory requirements are really tight, you
could say N here, and select the "Old hard disk driver" below
instead to save about 13 KB of memory in the kernel.
if BLK_DEV_IDE
comment "Please see Documentation/ide.txt for help/info on IDE drives"
config BLK_DEV_IDE_SATA
bool "Support for SATA (deprecated; conflicts with libata SATA driver)"
default n
---help---
There are two drivers for Serial ATA controllers.
The main driver, "libata", exists inside the SCSI subsystem
and supports most modern SATA controllers.
The IDE driver (which you are currently configuring) supports
a few first-generation SATA controllers.
In order to eliminate conflicts between the two subsystems,
this config option enables the IDE driver's SATA support.
Normally this is disabled, as it is preferred that libata
supports SATA controllers, and this (IDE) driver supports
PATA controllers.
If unsure, say N.
config BLK_DEV_HD_IDE
bool "Use old disk-only driver on primary interface"
depends on (X86 || SH_MPC1211)
---help---
There are two drivers for MFM/RLL/IDE disks. Most people use just
the new enhanced driver by itself. This option however installs the
old hard disk driver to control the primary IDE/disk interface in
the system, leaving the new enhanced IDE driver to take care of only
the 2nd/3rd/4th IDE interfaces. Doing this will prevent you from
having an IDE/ATAPI CD-ROM or tape drive connected to the primary
IDE interface. Choosing this option may be useful for older systems
which have MFM/RLL/ESDI controller+drives at the primary port
address (0x1f0), along with IDE drives at the secondary/3rd/4th port
addresses.
Normally, just say N here; you will then use the new driver for all
4 interfaces.
config BLK_DEV_IDEDISK
tristate "Include IDE/ATA-2 DISK support"
---help---
This will include enhanced support for MFM/RLL/IDE hard disks. If
you have a MFM/RLL/IDE disk, and there is no special reason to use
the old hard disk driver instead, say Y. If you have an SCSI-only
system, you can say N here.
To compile this driver as a module, choose M here: the
module will be called ide-disk.
Do not compile this driver as a module if your root file system
(the one containing the directory /) is located on the IDE disk.
If unsure, say Y.
config IDEDISK_MULTI_MODE
bool "Use multi-mode by default"
help
If you get this error, try to say Y here:
hda: set_multmode: status=0x51 { DriveReady SeekComplete Error }
hda: set_multmode: error=0x04 { DriveStatusError }
If in doubt, say N.
config BLK_DEV_IDECS
tristate "PCMCIA IDE support"
depends on PCMCIA
help
Support for Compact Flash cards, outboard IDE disks, tape drives,
and CD-ROM drives connected through a PCMCIA card.
config BLK_DEV_IDECD
tristate "Include IDE/ATAPI CDROM support"
---help---
If you have a CD-ROM drive using the ATAPI protocol, say Y. ATAPI is
a newer protocol used by IDE CD-ROM and TAPE drives, similar to the
SCSI protocol. Most new CD-ROM drives use ATAPI, including the
NEC-260, Mitsumi FX400, Sony 55E, and just about all non-SCSI
double(2X) or better speed drives.
If you say Y here, the CD-ROM drive will be identified at boot time
along with other IDE devices, as "hdb" or "hdc", or something
similar (check the boot messages with dmesg). If this is your only
CD-ROM drive, you can say N to all other CD-ROM options, but be sure
to say Y or M to "ISO 9660 CD-ROM file system support".
Note that older versions of LILO (LInux LOader) cannot properly deal
with IDE/ATAPI CD-ROMs, so install LILO 16 or higher, available from
<http://lilo.go.dyndns.org/>.
To compile this driver as a module, choose M here: the
module will be called ide-cd.
config BLK_DEV_IDETAPE
tristate "Include IDE/ATAPI TAPE support (EXPERIMENTAL)"
depends on EXPERIMENTAL
help
If you have an IDE tape drive using the ATAPI protocol, say Y.
ATAPI is a newer protocol used by IDE tape and CD-ROM drives,
similar to the SCSI protocol. If you have an SCSI tape drive
however, you can say N here.
You should also say Y if you have an OnStream DI-30 tape drive; this
will not work with the SCSI protocol, until there is support for the
SC-30 and SC-50 versions.
If you say Y here, the tape drive will be identified at boot time
along with other IDE devices, as "hdb" or "hdc", or something
similar, and will be mapped to a character device such as "ht0"
(check the boot messages with dmesg). Be sure to consult the
<file:drivers/ide/ide-tape.c> and <file:Documentation/ide.txt> files
for usage information.
To compile this driver as a module, choose M here: the
module will be called ide-tape.
config BLK_DEV_IDEFLOPPY
tristate "Include IDE/ATAPI FLOPPY support"
---help---
If you have an IDE floppy drive which uses the ATAPI protocol,
answer Y. ATAPI is a newer protocol used by IDE CD-ROM/tape/floppy
drives, similar to the SCSI protocol.
The LS-120 and the IDE/ATAPI Iomega ZIP drive are also supported by
this driver. For information about jumper settings and the question
of when a ZIP drive uses a partition table, see
<http://www.win.tue.nl/~aeb/linux/zip/zip-1.html>.
(ATAPI PD-CD/CDR drives are not supported by this driver; support
for PD-CD/CDR drives is available if you answer Y to
"SCSI emulation support", below).
If you say Y here, the FLOPPY drive will be identified along with
other IDE devices, as "hdb" or "hdc", or something similar (check
the boot messages with dmesg).
To compile this driver as a module, choose M here: the
module will be called ide-floppy.
config BLK_DEV_IDESCSI
tristate "SCSI emulation support"
depends on SCSI
---help---
WARNING: ide-scsi is no longer needed for cd writing applications!
The 2.6 kernel supports direct writing to ide-cd, which eliminates
the need for ide-scsi + the entire scsi stack just for writing a
cd. The new method is more efficient in every way.
This will provide SCSI host adapter emulation for IDE ATAPI devices,
and will allow you to use a SCSI device driver instead of a native
ATAPI driver.
This is useful if you have an ATAPI device for which no native
driver has been written (for example, an ATAPI PD-CD drive);
you can then use this emulation together with an appropriate SCSI
device driver. In order to do this, say Y here and to "SCSI support"
and "SCSI generic support", below. You must then provide the kernel
command line "hdx=ide-scsi" (try "man bootparam" or see the
documentation of your boot loader (lilo or loadlin) about how to
pass options to the kernel at boot time) for devices if you want the
native EIDE sub-drivers to skip over the native support, so that
this SCSI emulation can be used instead.
Note that this option does NOT allow you to attach SCSI devices to a
box that doesn't have a SCSI host adapter installed.
If both this SCSI emulation and native ATAPI support are compiled
into the kernel, the native support will be used.
config IDE_TASK_IOCTL
bool "IDE Taskfile Access"
help
This is a direct raw access to the media. It is a complex but
elegant solution to test and validate the domain of the hardware and
perform below the driver data recovery if needed. This is the most
basic form of media-forensics.
If you are unsure, say N here.
comment "IDE chipset support/bugfixes"
config IDE_GENERIC
tristate "generic/default IDE chipset support"
default y
help
If unsure, say Y.
config BLK_DEV_CMD640
bool "CMD640 chipset bugfix/support"
depends on
|