I beleive support for recognising 2940U was added to NetBSD soon
	after 1.2 was released - you can probably check directly by
	looking at the relevant files in:

	ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-current/src/sys/
	(or a mirror like
	ftp://ftp.southern.com/pub/NetBSD/NetBSD-current/src/sys/)

		David/abs	david@{mono.org,southern.com,mhm-internet.com}

     Microsoft: Asks you where you want to go. NetBSD gets you there.
System Manager: Southern Studios Ltd, PO Box 59, London N22 1AR.
  System Admin: MHM Internet, 14 Barley Mow Passage, Chiswick, London W4 4PH.
         SysOP: Monochrome, Largest UK Internet BBS - 'telnet mono.org'.

On Thu, 13 Feb 1997, Jonathan Marsden wrote:

> I've successfully set up several NetBSD machines that use Adaptec
> 2940* controllers.  But this one was defying me.
> 
> Problem: NetBSD 1.2/i386 refuses to recognize Adaptec 2940U controller card
> 
> Machine: Dell Dimension P166v, 32MB RAM, 3.2GB IBM ATA2 disk, ATAPI CDROM, 3C590 NIC.
> 
> Symptom: dmesg output shows only:
> 
>   ...
>   vendor 0x9004 product 0x6178 (class mass storage, subclass SCSI, revision 0x01) at pci0 dev 13 function 0 not configured
> 
> as extra output when the 2940U is installed.
> 
> I note that the vendor and product ID string looked for in
> /usr/src/sys/dev/pci/ahc_pci.c is:
> 
>    #define PCI_DEVICE_ID_ADAPTEC_2940U	0x81789004ul
> 
> I note product id 0x8178, not 0x6178 which is what the card is returning.
> 
> Diagnosis: Card is returning a product ID unknown to NetBSD 1.2.
> 
> Solution: Hack /usr/src/sys/dev/pci/ahc_pci.c to know about this card
> (context diff enclosed below).
> 
> Result:
> 
> ahc1 at pci0 dev 13 function 0
> ahc1: interrupting at irq 11
> ahc1: Reading SEEPROM...done.
> ahc1: aic7880 Single Channel, SCSI Id=7, 3 SCBs
> ahc1: Reseting Channel A
> ahc1: Downloading Sequencer Program...Done
> scsibus0 at ahc1
> ep0 at pci0 dev 15 function 0: 3Com 3C590 Ethernet
> ep0: aui/bnc/utp address 00:60:97:61:d4:1f
> ep0: shifting address bits by 2
> ep0: interrupting at irq 10
> biomask c840 netmask cc40 ttymask dcd2
> changing root device to wd0a
> 
> Looks good so far!
> 
> Questions:
> 
> Q1: Do I have a bad 2940U?  Or just an OEM version that NetBSD 1.2 won't recognize?
> 
> Q2: What regression tests can I run to check this *really* works OK?
> 
> Q3: How should I submit this patch to the NetBSD developers?
> 
> Thanks,
> 
> Jonathan (who just did his first ever kernel hack <grin>)
> --
> Jonathan Marsden   | Internet: jonathan@xc.org  | Making electronic 
> 1849 N. Wabash Ave.| Phone: +1 (909) 794 1151   | communications work 
> Redlands, CA 92374 | FAX:   +1 (909) 794 3016   | reliably for Christian 
> USA                | http://www.xc.org/jonathan | missions worldwide 
> ------------------------------------------------------------------------
> *** ahc_pci.c.orig	Wed Jul 17 17:41:19 1996
> --- ahc_pci.c	Thu Feb 13 09:27:34 1997
> ***************
> *** 83,88 ****
> --- 83,89 ----
>   #define PCI_DEVICE_ID_ADAPTEC_3940U	0x82789004ul
>   #define PCI_DEVICE_ID_ADAPTEC_2944U	0x84789004ul
>   #define PCI_DEVICE_ID_ADAPTEC_2940U	0x81789004ul
> + #define PCI_DEVICE_ID_OEM_2940U	0x61789004ul
>   #define PCI_DEVICE_ID_ADAPTEC_3940	0x72789004ul
>   #define PCI_DEVICE_ID_ADAPTEC_2944	0x74789004ul
>   #define PCI_DEVICE_ID_ADAPTEC_2940	0x71789004ul
> ***************
> *** 212,217 ****
> --- 213,221 ----
>   		case PCI_DEVICE_ID_ADAPTEC_2940U:
>   			return ("Adaptec 2940 Ultra SCSI host adapter");
>   			break;
> + 		case PCI_DEVICE_ID_OEM_2940U:
> + 			return ("OEM AHA 2940 Ultra SCSI host adapter");
> + 			break;
>   		case PCI_DEVICE_ID_ADAPTEC_2944:
>   			return ("Adaptec 2944 SCSI host adapter");
>   			break;
> ***************
> *** 260,265 ****
> --- 264,270 ----
>   	case PCI_DEVICE_ID_ADAPTEC_3940U:
>   	case PCI_DEVICE_ID_ADAPTEC_2944U:
>   	case PCI_DEVICE_ID_ADAPTEC_2940U:
> + 	case PCI_DEVICE_ID_OEM_2940U:
>   	case PCI_DEVICE_ID_ADAPTEC_3940:
>   	case PCI_DEVICE_ID_ADAPTEC_2944:
>   	case PCI_DEVICE_ID_ADAPTEC_2940:
> ***************
> *** 341,346 ****
> --- 346,352 ----
>   			break;
>   		case PCI_DEVICE_ID_ADAPTEC_2944U:
>   		case PCI_DEVICE_ID_ADAPTEC_2940U:
> + 		case PCI_DEVICE_ID_OEM_2940U:
>   			ahc_t = AHC_294U;
>   			break;
>   		case PCI_DEVICE_ID_ADAPTEC_2944:
> ------------------------------------------------------------------------
>