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On Sat, Dec 03, 2005 at 06:17:27PM +0000, Alan Post wrote:
> attached.  I'm not sure why it's using Ultra/100 mode on the drive
> rather than Ultra/133.  Perhaps I misread the docs of either the board
> or the HD (a Samsung SP2514N).

I've had this same problem with an Adaptec ASH-1233 cmdide(4) and both a
Maxtor 6Y160P0 and Maxtor 6L200P0; both ends claim 133, yet only go 100.

cmdide0 at pci0 dev 15 function 0
cmdide0: Silicon Image 0680 (rev. 0x02)
cmdide0: bus-master DMA support present
cmdide0: primary channel configured to native-PCI mode
cmdide0: using irq 10 for native-PCI interrupt
atabus1 at cmdide0 channel 0
cmdide0: secondary channel configured to native-PCI mode
atabus2 at cmdide0 channel 1

wd0 at atabus1 drive 0: <Maxtor 6Y160P0>
wd0: drive supports 16-sector PIO transfers, LBA48 addressing
wd0: 152 GB, 317632 cyl, 16 head, 63 sec, 512 bytes/sect x 320173056 sectors
wd0: 32-bit data port
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd0(cmdide0:0:0): using PIO mode 4, Ultra-DMA mode 5 (Ultra/100) (using DMA data transfers)
wd1 at atabus2 drive 0: <Maxtor 6L200P0>
wd1: drive supports 16-sector PIO transfers, LBA48 addressing
wd1: 189 GB, 395136 cyl, 16 head, 63 sec, 512 bytes/sect x 398297088 sectors
wd1: 32-bit data port
wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd1(cmdide0:1:0): using PIO mode 4, Ultra-DMA mode 5 (Ultra/100) (using DMA data transfers)

	Jonathan Kollasch

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