Robert, I have a similar system installed. I have had absolutely no problems with my Adaptec 2940 PCI-bus adapter. In fact, just today, I remade my entire system. My only suggestion is to place the boot/root drive as scsi-id-0 for minimum problems. Below is my present configuration:
Filesystem 1024-blocks Used Available Capacity Mounted on /dev/sda1 505440 20453 458883 4% / /dev/sda2 388570 11152 357337 3% /var /dev/sdb1 2035606 567059 1363323 29% /usr /dev/sdc1 2035606 756238 1174144 39% /home /dev/sdd1 39643 29332 8264 78% /mnt/b44 /dev/scd0 373914 373914 0 100% /mnt/cdrom Here is my dmesg output to confirm the Adaptec-2940: tty01 at 0x02f8 (irq = 3) is a 16550A lp1 at 0x0378, (polling) Ramdisk driver initialized : 16 ramdisks of 0K size loop: registered device at major 7 Floppy drive(s): fd0 is 1.44M, fd1 is 1.2M FDC 0 is a post-1991 82077 Started kswapd v 1.4.2.2 aic7xxx: BurstLen = 0 DWDs, Latency Timer = 32 PCLKS aic7xxx: AHA-2940 Rev B. aic7xxx: devconfig = 0x580. aic7xxx: Reading SEEPROM...done. aic7xxx: Extended translation enabled. aic7xxx: Memory check yields 16 SCBs, paging not enabled. AHA-2940 (PCI-bus), I/O 0x6100, Mem 0xf0800000: irq 10 bus release time 40 bclks data fifo threshold 100% SCSI CHANNEL A: scsi id 7 scsi selection timeout 256 ms scsi bus reset at power-on enabled scsi bus parity enabled scsi bus termination (low byte) disabled aic7xxx: Downloading sequencer code...done. aic7xxx: Resetting the SCSI bus...done. scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 4.0/3.2/4.0 scsi : 1 host. scsi0: Scanning channel A for devices. scsi0: Target 0, channel A, now synchronous at 10.0MHz, offset 15. Vendor: SEAGATE Model: ST51080N Rev: 0913 Type: Direct-Access ANSI SCSI revision: 02 Detected scsi disk sda at scsi0, channel 0, id 0, lun 0 scsi0: Target 1, channel A, now synchronous at 10.0MHz, offset 15. Vendor: SEAGATE Model: ST32171N Rev: 0338 Type: Direct-Access ANSI SCSI revision: 02 Detected scsi disk sdb at scsi0, channel 0, id 1, lun 0 scsi0: Target 2, channel A, now synchronous at 10.0MHz, offset 15. Vendor: SEAGATE Model: ST32171N Rev: 0338 Type: Direct-Access ANSI SCSI revision: 02 Detected scsi disk sdc at scsi0, channel 0, id 2, lun 0 scsi0: Target 4, channel A, refusing synchronous negotiation; using asynchronous transfers. Vendor: IOMEGA Model: BETA44 Rev: 3.0 Type: Direct-Access ANSI SCSI revision: 01 CCS Detected scsi removable disk sdd at scsi0, channel 0, id 4, lun 0 scsi0: Target 5, channel A, refusing synchronous negotiation; using asynchronous transfers. Vendor: NEC Model: CD-ROM DRIVE:501 Rev: 2.2 Type: CD-ROM ANSI SCSI revision: 02 Detected scsi CD-ROM sr0 at scsi0, channel 0, id 5, lun 0 scsi : detected 1 SCSI cdrom 4 SCSI disks total. SCSI device sda: hdwr sector= 512 bytes. Sectors= 2109840 [1030 MB] [1.0 GB] SCSI device sdb: hdwr sector= 512 bytes. Sectors= 4222640 [2061 MB] [2.1 GB] SCSI device sdc: hdwr sector= 512 bytes. Sectors= 4222640 [2061 MB] [2.1 GB] SCSI device sdd: hdwr sector= 512 bytes. Sectors= 87040 [42 MB] [0.0 GB] sdd: Write Protect is off Overriding PCI latency timer (CFLT) setting of 32, new value is 255. eth0: 3Com 3c595 Vortex 100baseTX at 0x6000, 00:a0:24:c5:fe:bf, IRQ 11 Internal config register is 141001b, transceivers 0xe10a. 64K word-wide RAM 3:1 Rx:Tx split, autoselect/100baseTX interface. 3c59x.c:v0.25 5/17/96 [EMAIL PROTECTED] Partition check: sda: sda1 sda2 sda3 sdb: sdb1 sdc: sdc1 sdd: sdd1 sdd2 JAVA Binary support v1.01 for Linux 1.3.98 (C)1996 Brian A. Lantz VFS: Mounted root (ext2 filesystem) readonly. Adding Swap: 128516k swap-space iBCS: socksys registered on character major 30 eth0: Initial media type 100baseTX. eth0: vortex_open() InternalConfig 0141001b. eth0: vortex_open() irq 11 media status 8082. eth0: Media selection timer tick happened, 100baseTX. eth0: Media 100baseTX is has no link beat, 8082. eth0: Media selection failed, now trying 10baseT port. eth0: Media selection timer finished, 10baseT. eth0: Media selection timer tick happened, 10baseT. eth0: Media 10baseT has link beat, 88c0. eth0: Media selection timer finished, 10baseT. Max size:186957 Log zone size:2048 First datazone:28 Root inode number 57344 ISO9660 Extensions: RRIP_1991A -- /------------------------------------------------------------------\ | James D. Freels, P.E._i, Ph.D. | Phone: (423)576-8645 | | L | | Oak Ridge National Laboratory | FAX: (423)574-9172 | H | I | | Research Reactors Division | Internet: [EMAIL PROTECTED] | F | N | | P. O. Box 2008 | Reactor Technology | I | U | | Oak Ridge, Tennessee 37831-6392 | world's best neutrons! | R | X | \------------------------------------------------------------------/ -- TO UNSUBSCRIBE FROM THIS MAILING LIST: e-mail the word "unsubscribe" to [EMAIL PROTECTED] . Trouble? e-mail to [EMAIL PROTECTED] .