I've got two new computers which have Symbios Logic SYM8751SP cards with 
the NCR53c875 chip. The installation disks I've tried (resq1440.bin of 
4Jan97 19:39 and rsc1440.bin of 18Jan97 21:53) both fail to detect any 
disks so I copied my custom 2.0.27 kernel from a previously new computer 
(which has the 53c815 chip in it, but very little different) in place of 
"linux" and tried again.

The 53c875 card is detected but doesn't work properly. I don't know if 
the problem is something to do with PnP because, naturally, the machine 
was supplied with W95 (including a FAT32 disk). These are the messages 
that booting up linux produces:

ncr53c8xx at PCI bus 0 device 13 function 0
                              (I don't know what the 13 refers to. On the
                               PCI, the host is 7, the disk is 0)
ncr_attach unit=0 chip=875 base=ffbeec00 io_port=f800 irq=11
                              (these values agree with W95 properties, 
                               though the latter shows memory ranges
                               c8000-ca7ff, ffbeec00-ffbeecff,
                               ffbed000-ffbedfff)
ncr53c875-0 using memory mapped IO at virtual address 0x2823c00
            initial SCNTL3=55 final=35
            shared irq 11 dev id=0x84068
            restart (scsi reset)
scsi0 : ncr53c8xx (rel. 1.12c)
scsi : 1 host
       Fujitsu M2952E-512 rev. 0142
       Direct-Access      ANSI SCSI revision 02
Detected scsi disk at scsi 0 channel 0 id 0 lun 0
scsi : detected 1 SCSI disk total
ncr53c875-0-<target 0, lun 0>: WIDE SCSI (16 bit) enabled.            |
                               FAST SCSI-2 100ns (20Mb/sec) offset 8. |
ncr53c875-0: restart (ncr dead ?).                                    |
sda : READ CAPACITY FAILED
sda : status=1 message=00 host=0 driver=28
      extended sense code=6
      block size assumed to be 512, disk size 1GB
                                  (then it detects the 3c509 correctly)
Partition check:
Then the three lines with the side bar are repeated ad nauseam.

Are there any clues in there? Or do I have to go back to Viglen and ask 
for 815 chipped boards to be supplied instead?
--
David Wright, Open University, Earth Science Department, Milton Keynes MK7 6AA
U.K.  email: [EMAIL PROTECTED]  tel: +44 1908 653 739  fax: +44 1908 655 151

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