*BSD News Article 57618


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From: alex@tubank.msk.su (Alex Kluev)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Adaptec AHA-2940 and 2.1 problem
Date: 22 Dec 1995 21:00:17 GMT
Organization: Tver Universal Bank, TeleCom Division.
Lines: 43
Message-ID: <4bf691$j2t@hobbit.tubank.msk.su>
NNTP-Posting-Host: hobbit.tubank.msk.su
Keywords: adaptec, freebsd
X-Newsreader: TIN [version 1.2 PL2]

Hi!

I've got a weird problem. We have two Compaq boxes (OK, it wasn't my idea to
buy those so please no flames ;). One 486DX4/100 ISA/PCI, another Pentium 90
EISA/PCI. The Pentium one comes with integrated PCI SCSI compatible with
itself and a Netflex Ethernet, also compatible with itself. The 4/100 box
have an on-board PCI Cyrus Logic video board.

All of these may look very exiting, but also I have two AHA-2940 PCI SCSI
host adapter and some fast SCSI disks that I want to use for FreeBSD 2.1. The
problem is as follows :

When inserted in the 4/100 box, the 2940 is claiming that it detects the disks
and installs the bios. If the disk have a DOS partition, it will boot with
no problems, and show ~2Mb/s transfer rates. The same aplies to the P90 box
(if the on-board SCSI is switched off with ECU). But the FreeBSD 2.1'w floppy
kernel won't detect the adapter on both machines.


I took a look in the kernel code, but lacking PCI programming expirience, it's
a hell of a job to understand why it's not working. 

Could anybody help me out?

Thanks,
Alex Kluev

-------------------------------------------------------------------------------
+ Alex Kluev                         ..."The life is a short warm moment,     +
+ Internet: alex@tubank.msk.su           And the death is a long cold rest..."+
+ Phone: +7 (095) 330-1080              Pink Floyd "Obscured by clouds"       +
+ Fax:   +7 (095) 330-6793                                                    +
+ PGP Key fingerprint =  2E 46 74 FB D1 B4 E4 63  D3 9D A1 16 2B F0 F3 6B     +
+------------------------------------------------------------------------------

--
-------------------------------------------------------------------------------
+ Alex Kluev                         ..."The life is a short warm moment,     +
+ Internet: alex@tubank.msk.su           And the death is a long cold rest..."+
+ Phone: +7 (095) 330-1080              Pink Floyd "Obscured by clouds"       +
+ Fax:   +7 (095) 330-6793                                                    +
+ PGP Key fingerprint =  2E 46 74 FB D1 B4 E4 63  D3 9D A1 16 2B F0 F3 6B     +
+------------------------------------------------------------------------------