On Thu, 2 May 2002 17:48:38 -0700, Mike Fedyk wrote:
>On Sat, Apr 27, 2002 at 05:50:43PM +0200, Daniela Engert wrote:
>> I've added an additional column to my "IDE drivers capabilities,
>> features and bug list" which summarizes my tests with LBA48 DMA modes=
.
>> A "?" means "no test conducted" (usually because of lack of hardware)=
,
>> a "x" means supported, a "-" means "unsupported". and a "x!" means
>> "supported, special treatment required".
>
>Can you post this as an attachment, or is it on the web somewhere?
Unfortunately, I don't have enough time left to do both driver
development and website maintenance ;-)
Since I've added some more chips (Intel and Highpoint) to this list
compared to the last post, I've decided to both attach it compressed
and include it verbatim for rapid consumption:
Vendor
| Device
| | Revision ATA LBA48 ATAPI ATA66 ATA133
| | | south/host bridge id PIO DMA DMA PIO DMA ATA33 | ATA100| =
Docs
| | | | south/host bridge rev. 32bit | | 32bit | | | | | av=
ail
| | | | | | | | | | | | | | |
v v v v v v v v v v v v v v v
0x8086 Intel
0x1230 PIIX x x ? x x - - - - x
< 02 x - - x - - - - - x
0x84C4 Orion
< 04 x - - x - - - - - x
0x7010 PIIX3 x x x x x - - - - x
0x7111 PIIX4 x x x x x x - - - x
0x7199 PIIX4 MX x x x x x x - - - (x)
0x2411 ICH x x x x x x x - - x
0x7601 ICH x x x x x x x - - (x)
0x2421 ICH0 x x x x x x - - - x
0x244B ICH2 x x x x x x x x (x) x
0x244A ICH2 mobile x x x x x x x x (x) x
0x245B C-ICH x x x x x x x x (x) x
0x248B ICH3 x x x x x x x x (x) x
0x248A ICH3 mobile x x x x x x x x (x) x
0x24CB ICH4 x x x x x x x x x (x)
known bugs and features:
- PIIX3: some chips 'forget' to assert the IRQ sometimes. These chips=
are not
detectable in advance.
- ICH2+: despite the docs, the ATA/100 capable chips also can do ATA/=
133
------------------------------------------------------------------------=
--------
0x1106 VIA
0x1571 571 x x ? x x - - - - -
0x0571 571
0x0586
< 0x20 586 x x ? x x - - - - x
>=3D0x20 586A/B x x x x x x - - - x
0x0596
< 0x10 596/A x x x x x x - - - x
>=3D0x10 596B x x x x x x x - - x
0x0686
< 0x10 686 x x x x x x - - - -
< 0x40 686A x x x x x x x - - x
>=3D0x40 686B x x x x x x x x - x
0x8231 VT8231 x x x x x x x x - -
0x3074 VT8233 x x x x x x x x - x
0x3109 VT8233c x x x x x x x x - -
0x3147 VT8233a x x x x x x x x x -
known bugs:
- all: no host side cable type detection.
- all: the busmaster 'active' bit doesn't match the actual busmaster=
state.
- 596B: don't touch the busmaster registers too early after interrupt=
don't touch taskfile registers before stopping the busmaster!
- 686 rev 40/41 and VT8231 rev 10/11 have the PCI corruption bug!
------------------------------------------------------------------------=
--------
0x10B9 ALi
0x5229 M5229
< 0x20 x x - x - - - - - (x)
< 0xC1 1533, 1543E/F x x - x - x - - - (x)
< 0xC2 1543C x x - x xR x - - - (x)
0xC3/
0x12 1543C-E x x - x xR (x) - - - (x)
< 0xC4 1535, 1553, x x - x x x x - - x
1543C-B, 1535D
=3D=3D0xC4 1535D+ x x - x x x x x - x
> 0xC4 1535D+ x x x x x x x x x -
known bugs:
- 1535 and better: varying methods of host side cable type detection.=
- up to 1543C: busmaster engine 'active' status bit is nonfunctional
in UltraDMA modes.
- up to 1543C: can't do ATAPI DMA writes.
- 1543C-E: UltraDMA CRC checker fails with older WDC disks.
- 1543C-Bx: must stop busmaster reads with 0x00 instead of 0x08.
------------------------------------------------------------------------=
--------
0x1039 SiS
0x5513 5513
< 0xD0 x x ? x x - - - - x
>=3D0xD0 x x ? x x x - - - x
>=3D 0x0530 x x ? x x x x - - (x)
> 0x0630 x x ? x x x x x - (x)
6/746 6/751 x x ? x x x x x x -
- older SiS: don't touch the busmaster registers too early after inte=
rrupt
------------------------------------------------------------------------=
--------
0x1095 CMD/Silicon Image
0x0640 CMD 640 - - - - - - - - - x
00 refuse!
0x0643 CMD 643
< 03 x x ? x x - - - - x
>=3D03 x x ? x x x - - - x
0x0646 CMD 646
< 03 x x ? x x - - - - x
>=3D03 x x ? x x x - - - x
0x0648 CMD 648 x x ? x x x x - - x
0x0649 CMD 649 x x x x x x x x - (x)
0x0680 SiI 680 x x x x x x x x x x
known bugs:
- 640: the enable bit of the secondary channel is erratic. You need t=
o check
both settings '0' and '1' for a populated channel.
- 640: revision 0 doesn't work reliably.
- up to 646: both channels share internal resources. Serialization is=
required.
------------------------------------------------------------------------=
--------
0x105A Promise
0x4D33 PDC20246 Ultra33 x x ? - - x - - - x
0x4D38 PDC20262 Ultra66 x x x! - (x) x x - - x
0x0D38 PDC20263 Ultra66 x x x! - (x) x x - - (x)
0x0D30 PDC20265 Ultra100 x x x! - (x) x x x - x
0x4D30 PDC20267 Ultra100 x x x! - (x) x x x - x
0x4D68 PDC20268 Ultra100 TX2 x x x x x x x x - (x=
)
0x6268 PDC20270 Ultra100 TX2 x x x x x x x x - (x=
)
0x4D69 PDC20269 Ultra133 TX2 x x x x x x x x x x=
0x6269 PDC20271 Ultra133 TX2 x x x x x x x x x (x=
)
0x1275 PDC20275 Ultra133 TX2 x x x x x x x x x (x=
)
0x5275 PDC20276 Ultra133 TX2 x x x x x x x x x x=
0x7275 PDC20277 Ultra133 TX2 x x x x x x x x x (x=
)
known bugs:
- up to Ultra100: don't issue superfluous PIO transfer mode setups.
- up to Ultra100: if any device is initialized to UltraDMA, you need =
to
reset the channel if you want to select MultiWord DMA instead.
- Ultra66/100: a LBA48 DMA mode transfer needs an extra "kick".
- Ultra66/100: ATAPI DMA should work according to Windows drivers, bu=
t the
register model is very "strange".
------------------------------------------------------------------------=
--------
0x1078 Cyrix
0x0102 CX5530 x x ? x x x - - - x
known bugs:
- all: busmaster transfers need to be 16 byte aligned instead of word=
aligned.
- all: a DMA block of 64KiB comes out as 0 bytes in the DMA engine
------------------------------------------------------------------------=
--------
0x1103 HighPoint
0x0004 HPT 36x/37x
<=3D01 HPT 366 x x x x x x x - - x
02 HPT 368 x x x x x x x - - -
03 HPT 370 x x x x x x x x - x
04 HPT 370A x x x x x x x x - (x)
05 HPT 372 x x x x x x x x x x
0x0005 HPT 372A x x x x x x x x x (x)
0x0006 HPT 302 x x x x x x x x x (x)
0x0007 HPT 371 x x x x x x x x x (x)
0x0008 HPT 36x/37x dual
07 HPT 374 x x x x x x x x x x
known bugs:
- HPT366: random failures with several disks.
- HPT366: random PCI bus lockups in case of too long bursts.
- HPT366: IBM DTLA series drives must be set to Ultra DMA mode 5 (!!)=
to work
reliably at Ultra DMA mode 4 speed.
------------------------------------------------------------------------=
--------
0x1022 AMD
0x7401 AMD 751 x x ? x x x - - - -
0x7409 AMD 756 x x ? x x x x - - x
0x7411 AMD 766 MP x x ? x x x x x - x
0x7441 AMD 768 MPX x x ? x x x x x - x
0x7469 AMD 8111 x x ? x x x x x - -
known bugs:
- 756: no host side cable type detection.
- 756: SingleWord DMA doesn't work on early chip revisions.
- 766: read/write prefetches must be disabled to defeat infinite
PCI bus retries.
------------------------------------------------------------------------=
--------
0x1191 AEC/Artop
0x0005 AEC 6210 x x ? ? ? x - - - -
0x0006 AEC 6260 x x ? ? ? x x - - -
0x0007 AEC 6260 x x ? ? ? x x - - -
0x0009 AEC 6280/6880 x x ? ? ? x x x x -
known bugs:
- 6210 (possibly 6260): task file registers are inaccessible until bu=
smaster
engine is stopped.
- possibly all: both channels share internal resources. Serialization=
is
required.
------------------------------------------------------------------------=
--------
0x1055 SMSC
0x9130 SLC90E66 ? x ? ? ? x x - - x
------------------------------------------------------------------------=
--------
0x1166 ServerWorks
0x0211 OSB4 x x ? ? ? x - - - x
0x0212 CSB5
< 0x92 x x ? ? ? x x - - -
>=3D 0x92 x x ? ? ? x x x - -
0x0213 CSB6
< 0xA0 x x ? ? ? x 3 - - -
>=3D 0xA0 x x ? ? ? x x x - -
known bugs:
- OSB4: at least some chip revisions can't do Ultra DMA mode 1 and ab=
ove
- OSB4: some chip revisions may get stuck in the DMA engine in Ultra =
DMA
with some disks
- CSB5: no host side cable type detection (vendor specific).
- CSB6: no host side cable type detection (vendor specific).
------------------------------------------------------------------------=
--------
0x1045 Opti
0xC621 n/a x - - - - - - - - x
0xC558 Viper x x ? ? ? - - - - x
0xD568 x x ? ? ? - - - - x
< 0xC700 Viper x x ? ? ? - - - - x
>=3D0xC700 FireStar/Vendetta? x x ? x x x - - - =
x
0xD721 Vendetta? x x ? x x x - - - x
0xD768 Vendetta x x ? x x x - - - x
known bugs:
- C621: both channels share internal resources. Serialization is requ=
ired.
- FireStar: Ultra DMA works reliably only at mode 0.
Update: not even that! Better do MWDMA2 at most.
------------------------------------------------------------------------=
--------
0x10DE Nvidia
0x01BC nForce x x ? x x x x x - -
known bugs:
- nForce: no host side cable type detection.
------------------------------------------------------------------------=
--------
0x100B National Semiconductor
0x0502 SCx200 x x ? x x x - - - -
known bugs:
- all: busmaster transfers need to be 16 byte aligned instead of word=
aligned.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Daniela Engert, systems engineer at MEDAV GmbH
Gr=E4fenberger Str. 34, 91080 Uttenreuth, Germany
Phone ++49-9131-583-348, Fax ++49-9131-583-11
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