Re: UDMA66 without proper cable?

From: Bernhard Brueck (
Date: Wed May 24 2000 - 12:51:36 EST

Jan Niehusmann wrote:
> After upgrading from 2.3.99-pre7-8 to 2.3.99-pre9-5, one of our machines
> didn't find it's partition tables any more. The only difference in the
> bootup messages is that the old kernel reports UDMA(33), and the new
> kernel reports UDMA(66) for some of the drives.
Exactly the same thing here (pre8 was OK pre9 is broken).
  Bus 0, device 0, function 0:
    Host bridge: Acer Laboratories Inc. [ALi] M1541 (rev 4).
      Master Capable. Latency=64.
      Non-prefetchable 32 bit memory at 0xe0000000 [0xe3ffffff].
  Bus 0, device 15, function 0:
    IDE interface: Acer Laboratories Inc. [ALi] M5229 IDE (rev 193).
      Master Capable. Latency=32. Min Gnt=2.Max Lat=4.
      I/O at 0xd000 [0xd00f].

Harddisk: Maxtor 54098U8
It only works when Busmaster DMA is disabled.


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This archive was generated by hypermail 2b29 : Wed May 31 2000 - 21:00:11 EST