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CONFIG_BLK_DEV_4DRIVES: Generic 4 drives/port support

General informations

The Linux kernel configuration item CONFIG_BLK_DEV_4DRIVES has multiple definitions:

Generic 4 drives/port support found in drivers/ide/Kconfig

The configuration item CONFIG_BLK_DEV_4DRIVES:

Help text

Certain older chipsets, including the Tekram 690CD, use a single set of I/O ports at 0x1f0 to control up to four drives, instead of the customary two drives per port. Support for this can be enabled at runtime using the "ide0=four" kernel boot parameter if you say Y here.

Generic 4 drives/port support found in drivers/ide/Kconfig

The configuration item CONFIG_BLK_DEV_4DRIVES:

Help text

Certain older chipsets, including the Tekram 690CD, use a single set of I/O ports at 0x1f0 to control up to four drives, instead of the customary two drives per port. Support for this can be enabled at runtime using the "ide-4drives.probe" kernel boot parameter if you say Y here.

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