Re: IDE-Driver Update :: Testing Requested (Ultra33 as RAID?? (fwd))

Martin Mares (mj@ucw.cz)
Tue, 25 Aug 1998 08:54:34 +0200

> 00:0e.0 RAID bus controller: Promise Technology, Inc. 20246 (rev 01)
> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
> ParErr- Stepping- SERR- FastB2B-
> Status: 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
> <TAbort- <MAbort- >SERR- <PERR-
> Latency: 64 set
> Interrupt: pin A routed to IRQ 11
> Region 0: I/O ports at fff0
> Region 1: I/O ports at ffe4
> Region 2: I/O ports at ffa8
> Region 3: I/O ports at fbe4
> Region 4: I/O ports at ff80
> Expansion ROM at ffbe0000
> 00: 5a 10 33 4d 07 00 00 02 01 00 04 01 00 40 00 00
> 10: f1 ff 00 00 e5 ff 00 00 a9 ff 00 00 e5 fb 00 00
> 20: 81 ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 30: 01 00 be ff 00 00 00 00 00 00 00 00 0b 01 00 00
> 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 50: ee 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 60: f5 6c 43 00 c4 f3 4f 00 f9 13 40 00 c4 f3 4f 00
> 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 80: 5a 10 33 4d 07 00 00 02 01 00 04 01 00 40 00 00
> 90: f1 ff 00 00 e5 ff 00 00 a9 ff 00 00 e5 fb 00 00
> a0: 81 ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> b0: 01 00 be ff 00 00 00 00 00 00 00 00 0b 01 00 00
> c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> d0: ee 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> e0: f5 6c 43 00 c4 f3 4f 00 f9 13 40 00 c4 f3 4f 00
> f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

Both halves of the configuration space are _identical_, therefore the
second copy not only uses the same IRQ, but also maps to the same addresses.
How do you talk with the second controller?

Have a nice fortnight

-- 
Martin `MJ' Mares   <mj@ucw.cz>   http://atrey.karlin.mff.cuni.cz/~mj/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
"Computers are useless.  They can only give you answers."  -- Pablo Picasso


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