From: "Nerijus Baliunas" <nerijus@users.sourceforge.net>
To: "Andre Hedrick" <andre@linux-ide.org>
Cc: <linux-kernel@vger.kernel.org>
Subject: RE: Promise 20267 "working" but no UDMA
Date: Mon, 2 Apr 2001 18:20:38 +0200 [thread overview]
Message-ID: <MPBBJGBJAHHNDMMBBLMIKELIGLAB.nerijus@users.sourceforge.net> (raw)
In-Reply-To: <Pine.LNX.4.10.10104020024550.12531-100000@master.linux-ide.org>
> > PDC20267: (U)DMA Burst Bit ENABLED Primary MASTER Mode Secondary MASTER
Mode.
How does MASTER mode differ from PCI?
I have:
PDC20267: IDE controller on PCI bus 00 dev 50
PDC20267: chipset revision 2
PDC20267: not 100% native mode: will probe irqs later
PDC20267: ROM enabled at 0xe8000000
PDC20267: (U)DMA Burst Bit ENABLED Primary PCI Mode Secondary PCI Mode.
Another question - I have Promise Ultra100 and 2 disks:
hda: QUANTUM FIREBALL CX10.2A, 9787MB w/418kB Cache, CHS=19885/16/63, UDMA(33)
hdc: IBM-DTLA-305030, 29314MB w/380kB Cache, CHS=59560/16/63, UDMA(100)
Why Quantum is shown as UDMA 33 when Promise BIOS shows it as UDMA 66?
Why DMA Mode: UDMA 4 in /proc/ide/pdc202xx for IBM disk?
Shouldn't it be UDMA 5?
Regards,
Nerijus
next prev parent reply other threads:[~2001-04-02 16:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-01 11:13 Promise 20267 "working" but no UDMA Andrew Chan
2001-04-02 7:27 ` Andre Hedrick
2001-04-02 9:00 ` Andrew Chan
2001-04-02 16:20 ` Nerijus Baliunas [this message]
2001-04-24 5:04 ` Andre Hedrick
2001-04-03 10:58 ` Ruth Ivimey-Cook
2001-04-03 15:57 ` Andrew Chan
2001-04-03 16:30 ` Ruth Ivimey-Cook
2001-04-03 19:10 ` Juhani Rautiainen
-- strict thread matches above, loose matches on Subject: below --
2001-04-02 15:35 Andrew Chan
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