On Wednesday, 4. July 2007, Thorsten Leemhuis wrote: > > Maybe Alan or someone from Intel can answer that and thus tell us how to > move forward; it would be really nice to get the patch that started this > thread (it got posted by Chuck again today) could go into 2.6.22, but I > assume the time runs away... > Jeff is on holiday and Intel doesn't respond at all... So, if someone has a ICH5 or ICH7/7-R with a ATA133 captable HDD... could you please try the following patch? (Of course, I don't know if it works,... It may cause data loss, serve corruption, or damage your controller/hdd/pc, so make backups and keep a first-aid kit handy!) > > On the other hand, we can leave it, because of a "off-by-one error" in ata_piix.c, > > do_pata_set_dmamode, line ~770: > > [...] > Thanks, Chr.
--- a/drivers/ata/ata_piix.c 2007-06-19 12:19:39.000000000 +0200 +++ b/drivers/ata/ata_piix.c 2007-07-05 22:11:52.000000000 +0200 @@ -767,8 +767,8 @@ * except UDMA0 which is 00 */ u_speed = min(2 - (udma & 1), udma); - if (udma == 5) - u_clock = 0x1000; /* 100Mhz */ + if (udma >= 5) + u_clock = 0x1000; /* 133Mhz */ else if (udma > 2) u_clock = 1; /* 66Mhz */ else
