root@ozdaltx.UUCP (root) (10/30/90)
The following is the output from my CMOS (XENIX 2.2.3 286). I am trying to reconfigure my primary hard drive to the proper specs and can not find a copy of "speedstore" or a disk manager that has the right parameters, (1024 cyl, 8 heads, 17 sec/trk). It seems as if the only solution I have it to fiddle CMOS using the cmos command to plug in the correct values. BUT.... I don't know how to interpret the addresses/values to their human meaning. Can anyone help out? Thanks for any help..... scotty root@ozdaltx Output from cmos(C) Address value 0 31 10 20 20 0 30 0 1 0 11 0 21 0 31 18 2 22 12 4f 22 0 32 19 3 0 13 0 23 0 33 80 4 18 14 31 24 0 34 0 5 0 15 80 25 0 35 0 6 3 16 2 26 0 36 0 7 29 17 0 27 0 37 0 8 10 18 18 28 0 38 0 9 90 19 0 29 0 39 0 a 26 1a f 2a 0 3a 0 b 3 1b 0 2b 0 3b 0 c 50 1c 0 2c 0 3c 0 d 80 1d 0 2d 0 3d 0 e 0 1e 0 2e 1 3e 0 f 0 1f 0 2f 49 3f 0
ESR@SLACVM.SLAC.STANFORD.EDU (Ed Russell) (10/31/90)
In response to: >From: root@ozdaltx.UUCP (root) >Subject: need help reading CMOS >Message-ID: <7090@ozdaltx.UUCP> >Date: 30 Oct 90 00:33:45 GMT > >..... >I am trying to reconfigure my primary hard drive to the proper specs >and can not find a copy of "speedstore" or a disk manager that has the >right parameters, (1024 cyl, 8 heads, 17 sec/trk). It seems as if the >only solution I have it to fiddle CMOS using the cmos command to plug >in the correct values. .... [bunch of stuff deleted] I will let someone else respond about the ability to diddle CMOS. However, there is another "solution" if you are willing to live with it. Select a value in the BIOS drive table which is as close as possible to your configuration. (All values smaller or equal to your config.) Then use Disk Manager (did one come with your drive?) to partition the drive. Make the boot (C:) partition as small as possible -- just big enough to contain the stuff to be able to boot (and any programs that are too stupid to run from a drive other than C). The closest configuration on an AT is likely to be something like 7 heads. DOS will use only that so you will lose 1/8 of the disk capacity in the boot partition. Making it as small as possible minimizes the overall loss. Partition the rest of the disk as you want and use Disk Manager to drive the other partitions. DM should recognize the actual disk configuration even if the BIOS won't. It may not be the ideal solution but it does work.