*BSD News Article 79362


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From: tsh@mrc-lmb.cam.ac.uk (T. Horsnell (tsh))
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Adaptec AHA2940AU problems
Date: 27 Sep 1996 13:49:40 GMT
Organization: MRC Laboratory of Molecular Biology, Cambridge UK
Lines: 36
Distribution: world
Message-ID: <52gm1k$7mk@lyra.csx.cam.ac.uk>
NNTP-Posting-Host: alf2.mrc-lmb.cam.ac.uk

I too am having trouble getting 2.1.5 to handle my Adaptec AHA2940AU
scsi adapter. It seems to respond to probing, but gets the
"[no driver assigned]" message (see boot-time messages excerpt below).
Is the I/O address mismatch the problem? Can I do anything about it?
(preferably without getting into the driver source - I had a preliminary
peek - ouch!)

Terry Horsnell (tsh@mrc-lmb.cam.ac.uk)

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FreeBSD 2.1.5-RELEASE #0: Wed Jul 17 03:09:31  1996
    jkh@whisker.cdrom.com:/usr/src/sys/compile/GENERIC
CPU: 100-MHz Pentium 815\100 (Pentium-class CPU)
  Origin = "GenuineIntel"  Id = 0x526  Stepping=6
  Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
real memory  = 8388608 (8192K bytes)
avail memory = 6447104 (6296K bytes)
Probing for devices on PCI bus 0:
chip0 <generic PCI bridge (vendor=8086 device=7030 subclass=0)> rev 1 on pci0:0
chip1 <Intel 82371 PCI-ISA bridge> rev 1 on pci0:7:0
chip2 <Intel 82371 Bus-Master IDE controller> rev 0 on pci0:7:1
vga0 <VGA-compatible display device> rev 0 on pci0:9
de0 <Digital DC21041 Ethernet> rev 17 int a irq 11 on pci0:10
de0: DC21041 [10Mb/s] pass 1.1 Ethernet address 00:00:c0:e0:7e:e8
pci0:11: Adaptec, device=0x6178, class=storage (scsi) int a irq 10 [no driver assigned]
^^^^^^^          ^^^^^^^^^^^^^^^                     ^^^^^^^^^^^^^

This seems to agree with the data given by the Adaptec Bios setup routine:

AHA 2940AU at Bus:Device 00:0Bh
IRQ 10
I/O Port 6100h

Apart from the address (6100 as against 6178).
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