INSTALLING SCO UNIX 3.2.x DEVICE DRIVER FOR SiS 496/7 IDE ADAPTER

First, install SCO UNIX 3.2.4.x or SCO Open Desktop 2.x
using the default SCO IDE driver.

1) Boot your SCO UNIX system and bring it into single-user mode.

2) Use doscp command to copy the file sis.tar to your /tmp directory.
       e.g. if you are using floppy drive A, type
            doscp a:sis.tar /tmp

3) Have a SCO UNIX-formatted diskette ready.

4) From root, type the following commands
       mkdir /sis
       cd /sis
       tar xvf /tmp/sis.tar .

5) Now, insert the diskette into the drive and issue the following command
       tar cvf /dev/(your floppy drive 0 device name) .
    Your floppy drive 0 device name could be:
      rfd096ds15            -   5.25 DSHD
      rfd0135ds18           -   3.5  DSHD
      rfd048ds9             -   5.25 DSDD
      rfd0135ds9            -   3.5  DSDD

6) You are now ready to install the driver package for SiS 496/7 IDE Driver

   Start the installation by typing
          custom

7) Follow the instruction to install the SiS IDE Driver to system.
   The new kernel will be built and the original kernel will be renamed to
   unix.old


8) Reboot your system for the new kernel to take effect.  The new
   kernel should initialize the chip to the new timing setting.