Messages in this thread | | | Subject | Re: FW: Fastest possible UDMA - how? | From | Alan Cox <> | Date | 10 Jan 2003 20:15:48 +0000 |
| |
On Fri, 2003-01-10 at 19:04, Manish Lachwani wrote: > Take a look at the drive IDENTIFY data. From the ATA > spec, it can be seen that word# 88 in the IDENTIFY > data can help you find out the UDMA mode selected and > UDMA mode supported. > > The UDMA mode supported is the maximum supported by > the drive.
Not always true. There are a wide number of cases where the UDMA mode being used is not the highest one the drive or controller supports. The most simple example is if we decide the cabling is not suitable for UDMA66 and higher.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |