Commit 2cc53dd5 authored by Andrew Morton's avatar Andrew Morton Committed by Jaroslav Kysela

[PATCH] Documentation/cdrom/ide-cd fix

From: David Joerg <davidjoerg@web.de>

Fix the description of the IO ports for the IDE primary and secondary
interfaces.
parent 01d63346
...@@ -74,7 +74,7 @@ This driver provides the following features: ...@@ -74,7 +74,7 @@ This driver provides the following features:
3. The CDROM drive should be connected to the host on an IDE 3. The CDROM drive should be connected to the host on an IDE
interface. Each interface on a system is defined by an I/O port interface. Each interface on a system is defined by an I/O port
address and an IRQ number, the standard assignments being address and an IRQ number, the standard assignments being
0x170 and 14 for the primary interface and 0x1f0 and 15 for the 0x1f0 and 14 for the primary interface and 0x170 and 15 for the
secondary interface. Each interface can control up to two devices, secondary interface. Each interface can control up to two devices,
where each device can be a hard drive, a CDROM drive, a floppy drive, where each device can be a hard drive, a CDROM drive, a floppy drive,
or a tape drive. The two devices on an interface are called `master' or a tape drive. The two devices on an interface are called `master'
...@@ -268,8 +268,8 @@ b. Timeout/IRQ errors. ...@@ -268,8 +268,8 @@ b. Timeout/IRQ errors.
- Double-check your hardware configuration to make sure that the IRQ - Double-check your hardware configuration to make sure that the IRQ
number of your IDE interface matches what the driver expects. number of your IDE interface matches what the driver expects.
(The usual assignments are 14 for the primary (0x170) interface (The usual assignments are 14 for the primary (0x1f0) interface
and 15 for the secondary (0x1f0) interface.) Also be sure that and 15 for the secondary (0x170) interface.) Also be sure that
you don't have some other hardware which might be conflicting with you don't have some other hardware which might be conflicting with
the IRQ you're using. Also check the BIOS setup for your system; the IRQ you're using. Also check the BIOS setup for your system;
some have the ability to disable individual IRQ levels, and I've some have the ability to disable individual IRQ levels, and I've
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