[Qemu-devel] What is this?

[Qemu-devel] What is this?

[Natalia Portillo]

Hi!

What are commands 0x10 and 0x14 of the IDE controller?

Re: [Qemu-devel] What is this?

[Thomas Glanzmann]

Hello,

> What are commands 0x10 and 0x14 of the IDE controller?

0x10 was Recalibrate
0x14 no idea.

But at least since ATA 4 I think both are obsolete.

Greetings,
	Thomas

Re: [Qemu-devel] What is this?

[Natalia Portillo]

Hi!

I've been trying Rhapsody DR and these appears some times.
And Rhapsody is unable to find devices attached to the IDE controller.

El 13/04/2005, a las 16:59, Thomas Glanzmann escribió:

> Hello,
>
>> What are commands 0x10 and 0x14 of the IDE controller?
>
> 0x10 was Recalibrate
> 0x14 no idea.
>
> But at least since ATA 4 I think both are obsolete.
>
> Greetings,
> 	Thomas
>
>
> _______________________________________________
> Qemu-devel mailing list
> Qemu-devel@nongnu.org
> http://lists.nongnu.org/mailman/listinfo/qemu-devel
>

Re: [Qemu-devel] What is this?

[John R. Hogerhuis]

On Wed, 2005-04-13 at 16:14 +0100, Natalia Portillo wrote:
> Hi!
> 
> What are commands 0x10 and 0x14 of the IDE controller?
> 


Not an authoritative source, but probably right. So this would imply
that both commands are "recalibrate." The lower nibble is D/C.

http://www.pjrc.com/tech/8051/ide/wesley.html#idecommands

1XH             recalibrate the disk. NB: 1XH means that the lower
                nibble of the command byte is a don't care. All
                commands 10H..1FH will result in a recalibrate
                disk command being executed. This command has no
                parameters. You simply write the command code to
                the command register and wait for ready status to
                become active again.

Re: [Qemu-devel] What is this?

[Natalia Portillo]

Huh!

Seems that it is a phantom...

Error no more happens and it boots!!! :O

Curious...

El 14/04/2005, a las 0:23, John R. Hogerhuis escribió:

> On Wed, 2005-04-13 at 16:14 +0100, Natalia Portillo wrote:
>> Hi!
>>
>> What are commands 0x10 and 0x14 of the IDE controller?
>>
>
>
> Not an authoritative source, but probably right. So this would imply
> that both commands are "recalibrate." The lower nibble is D/C.
>
> http://www.pjrc.com/tech/8051/ide/wesley.html#idecommands
>
> 1XH             recalibrate the disk. NB: 1XH means that the lower
>                 nibble of the command byte is a don't care. All
>                 commands 10H..1FH will result in a recalibrate
>                 disk command being executed. This command has no
>                 parameters. You simply write the command code to
>                 the command register and wait for ready status to
>                 become active again.
>
>
>
>
> _______________________________________________
> Qemu-devel mailing list
> Qemu-devel@nongnu.org
> http://lists.nongnu.org/mailman/listinfo/qemu-devel
>