Re: Using Intel ICH5 IDE+SATA Under 2.6.15-rc6 - Cannot find DVD-RW?

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SUMMARY:

The libata=1 option is if you use "AUTO" in the bios, then it sees it but you can't (or I couldn't do anything with it anyway)

scsi1 : ata_piix
  Vendor: _NEC      Model: DVD_RW ND-3520A   Rev: 1.04
  Type:   CD-ROM                             ANSI SCSI revision: 05

I googled around and then found setting it to Enhanced Mode worked!
It sees all the devices properly now.

hdc: _NEC DVD_RW ND-3520A, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15

Justin.



On Sat, 24 Dec 2005, Justin Piszcz wrote:

Impressive:

http://www.thinkwiki.org/wiki/Problems_with_SATA_and_Linux

DVD drive not recognized

The ata_piix SATA driver grabs ownership over the IDE ports when it is loaded, but (by default) does not support PATA ATAPI devices such as the Ultrabay optical drives. Thus, if the ide driver is compiled as a module and loaded after ata_piix, the DVD drive will not be recognized by either driver.

Either of the following configurations will work:

* For kernel 2.6.14 and newer: enable ATAPI support in the SATA system using libata.atapi_enabled=1 (see below; this is experimental).
   * Compile IDE into the kernel (non-module).
* Compile both IDE and SATA as modules and make sure IDE is loaded first (the module is called 'ide_generic').

Note that the optical drive must be in the Ultrabay during system boot (Ultrabay device swapping is currently unsupported).

On Sat, 24 Dec 2005, Justin Piszcz wrote:

http://www.ussg.iu.edu/hypermail/linux/kernel/0407.0/0362.html

This is the same problem I am having (no OOPS but I cannot see the DVD drive either)--

Justin.

On Sat, 24 Dec 2005, Justin Piszcz wrote:

The BIOS see's my drive without any issues.

My config: [AUTO, allow for up to 6 devices on IDE/SATA total]

p34:~# cat /dev/hdc
cat: /dev/hdc: No such device or address
p34:~# cat /dev/sdc
cat: /dev/sdc: No such device or address
p34:~#

p34:~# dmesg | grep NEC
p34:~#

CONFIG =

SATA1 -> RAPTOR
SATA2 -> SEAGATE
IDE0 -> NOTHING
IDE1 -> MASTER (DVDRW/CDRW)

But for some reason the kernel is not seeing it?





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