Date: Mon, 11 Dec 1995 20:58:31 -0800 (PST) From: Donald Burr <d_burr@ix.netcom.com> To: Dave Franco <100075.2767@compuserve.com> Cc: Anyone <bugs@freebsd.org> Subject: Re: Assistance with FreeBSD and aha1542 Message-ID: <Pine.BSF.3.91.951211204134.1943A-200000@ncc-1701-d> In-Reply-To: <951211192521_100075.2767_EHK107-1@CompuServe.COM>
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[-- Attachment #1 --] On 11 Dec 1995, Dave Franco wrote: > 1. aha0: reading board settings dma=5, int=11 (bus speed defaulted) > 2. aha0: aha_cmd, cmd/data port full > 3. aha0: at 0x330 - 0x333 irq 11 drq 4 on isa > 4. aha0: waiting for SCSI devices to settle > 5. probe 0(aha0:0:0), timed out > 6. adapter not taking comands . . frozen ?! Here is a document I posted to the list about a month ago. It explains how to get an Adaptec AHA-1542CP card to work under FreeBSD 2.0.5. Since the symptoms that this workaround fixes are the same as the symptoms you're experiencing, I think this file will be of help to you as well. Let me know how it works out, eh? Donald Burr [d_burr@ix.netcom.com], PO Box 91212, Santa Barbara CA 93190-1212 TEL (805)564-1871 / FAX 564-2315 / WWW http://www.geopages.com/WallStreet/2072 PGP Public Key available by request (send e-mail) or on Public Key Servers. ** Uphold your right to privacy - Use PGP. ** [-- Attachment #2 --] These are the steps I took to make my Adaptec AHA-1542CP card work under FreeBSD. Note that, with this configuration, my system still works perfectly when using DOS and Windows 95. First, I disabled the Plug and Play support on the card. This is because I have a non-Plug-and-Play system, with lots of non-Plug-and-Play devices ("legacy" system), and I was having lots of problems getting things set up and working under Windows 95, which insisted on trying to set things up by itself, but was always getting things goofed up. To do this, you have to flip one of the DIP switches on the card. Flip switch #1 to the "ON" (pointed AWAY from the card... I think) position. Now, reboot and get into the card's BIOS configuration utility (press CTRL-A when the Adaptec copyright message pops up). Choose your card's I/O address (only necessary if you have multiple 1542's in your system), then choose "Configure/View Host Adapter Settings". Most of the stuff on the first setup page should be left alone (i.e. the efaults are OK), although you may want to try and increase the transfer rate -- however, some systems' DMA controllers won't handle an increase. I was able to get a small increase (up to 5.7/sec), but when I tried running any faster, unpredictable results started setting in. OK, from here, choose the "Advanced Configuration Options". HERE is where you have to fiddle with a lot of stuff to get the card to work with FreeBSD. Note that, when you select each option, it gives you a list of choices, one of them has a asterisk (*) next to it. This one is the DEFAULT (i.e. what the card is set up with, when it comes from the factory). The following settings need to be changed to NON-DEFAULT settings. EVERYTHING ELSE CAN (SHOULD?) BE LEFT AT ITS DEFAULT. "Plug and Play SCAM Support" : Disabled "Extended BIOS Translation for DOS Drives > 1 GByte" : Disabled Support Removable Disks under BIOS as Fixed Disks" : Disabled (*see NOTE below) "Dynamically Scan SCSI Bus for BIOS Devices" : Disabled "BIOS Support for more than 2 Drives (MS-DOS(R) 5.0 and above)" : Disabled *NOTE: I set this option to "Disabled" due to weird oddities I was experi- encing with my SyQuest removable cartridge drive. It MAY or MAY NOT be necesary to change this value, to make your system work with FreeBSD. I haven't tested it.help
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