Re: UDMA controller flaws?

From: Andre Hedrick (andre@linux-ide.org)
Date: Fri May 12 2000 - 03:54:44 EST


On Fri, 12 May 2000, Dan Hollis wrote:

> On Thu, 11 May 2000, Andre Hedrick wrote:
> > On Thu, 11 May 2000, Dan Hollis wrote:
> > > The HPT366 has known design flaws[1]. An unfortunate choice of chipset by
> > > Abit for the BP6.
> > No the HPT366 is fine, how ABIT used it was incorrect.
>
> Is the BP6 HPT366 doomed to a life of PIO4 or are there any workarounds?

No........It seams that I have the only "BP6 HPT366" that works.....

andre@bp6% cat config
pci bus 00 device 98 vid 1103 did 0004 channel 0
03 11 04 00 05 00 00 02 01 00 80 01 08 78 80 00
01 d8 00 00 01 dc 00 00 00 00 00 00 00 00 00 00
01 e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00
01 00 00 e5 00 00 00 00 00 00 00 00 0f 01 08 08
31 a7 c9 10 a7 a7 20 01 00 00 00 00 00 00 00 00
33 00 00 00 33 00 00 00 13 00 01 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

andre@bp6% hdparm -i /dev/hda

/dev/hda:

 Model=QUANTUM FIREBALLP KA13.6, FwRev=A42.0000, SerialNo=362910333318
 Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
 RawCHS=16383/16/63, TrkSize=32256, SectSize=21298, ECCbytes=4
 BuffType=3(DualPortCache), BuffSize=371kB, MaxMultSect=16, MultSect=off
 DblWordIO=no, maxPIO=2(fast), DMA=yes, maxDMA=2(fast)
 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=27068420
 tDMA={min:120,rec:120}, DMA modes: mword0 mword1 mword2
 IORDY=on/off, tPIO={min:120,w/IORDY:120}, PIO modes: mode3 mode4
 UDMA modes: mode0 mode1 mode2 mode3 *mode4
 Drive Supports : ATA/ATAPI-4 T13 1153D revision 15 : ATA-1 ATA-2 ATA-3 ATA-4

andre@bp6% hdparm -t /dev/hda

/dev/hda:
 Timing buffered disk reads: 64 MB in 3.30 seconds =19.39 MB/sec
andre@bp6% hdparm -t /dev/hda

/dev/hda:
 Timing buffered disk reads: 64 MB in 3.30 seconds =19.39 MB/sec
andre@bp6% hdparm -t /dev/hda

/dev/hda:
 Timing buffered disk reads: 64 MB in 3.29 seconds =19.45 MB/sec

andre@bp6% uptime
 12:51am up 52 days, 5:41, 1 user, load average: 0.19, 0.06, 0.02

This thing is trusted enough to be colocated......I have not seen it since
I set it up in its current location.

andre@bp6% uname -a
Linux bp6 2.2.13-SMP #1 SMP Wed Jan 19 18:28:25 PST 2000 i686 unknown

Andre Hedrick
The Linux ATA/IDE guy

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This archive was generated by hypermail 2b29 : Mon May 15 2000 - 21:00:20 EST