ST01 driver for 386 unixes

[Le Tin]

In article <1583 at integow.uucp> hot at integow.uucp (Roland van Hout) writes:
>
>A while ago several versions of a driver were posted here
>for the Seagate st01/st02 SCSI adapter card, originally from
>a mr. Grenier if I'm not mistaken.

The original st01 driver was from Tatu Ylonen, and was for Microport 386
UNIX v3.00e.  I and several others ported to Interactive.  During my porting
effort, I kept in touch with Tatu and received his permissions to release
my port to the net.  Mike Grenier and another person did not.  Since then
I've received messages from Tatu that he consider me to be the official
"keeper" of the st01 driver source.

>I saved 2 releases of them. Last week somebody gave me such
>a st01 beast as a present, and a college of mine wanted to try
>his SCSI WREN V (702 Mb unformatted) on this interface.
>Since the WREN nowadays also says Seagate, and the driver files
>were easily installed we thought it would work in a few minutes.
>Also in the files for the driver the were a few references to
>ESIX Rev D and it sounded like there were no problems.
>When the bios was installed the WREN was recognized by the st01.
>After we relinked our kernel it looked like  it died on bootup,
>but after a few minutes the startup screen was displayed,
>with 5 scsi error messages "sending reset to scsi bus" or something
>similar.
>After you booted up and tried to access the scsi devices, the whole
>system seems to hang!

The driver as released by Grenier has timing problems, as you had found
out.  I've received reports from others of panics and lock ups.  The
current driver I am using is quite stable, it drives an ST02 with a CDC
Wren III (150MB formatted) connected.  The Wren III happens to be my
Usenet news disk, so it gets heavy usage.  I am running Interactive v2.0.2.

Since I've been very busy lately with a new job, I have not had time till
recently to work on it.  I am currently working on integrating the raw
character device additions that Mike did and to get the driver to work
under SVR4.  I don't have money right now for a SCSI tape drive, so that
will have to wait.

>Is there anyone who has this st01 up and running under Esix or Interactive,
>how old/new are the sources? Did you have to make patches to the original?
>The ROM BIOS has a version 3.2 and the st01 manual was talking about revision
>2.2 or something. The interrupt we use is IRQ 5, memory adress is default,
>but no BIOS installed! And also the 0WS jumper installed.
>We are running on a 25 Mhz 386 no cache , but the board can be
>reconfigured in it's CHIPS-set, like the NEAT at-boards, but we use the
>default normally, but also tried settings with waitstates, io command
>cycle delays etc. etc. etc.

You don't need the ROM BIOS that comes with the ST01/ST02 board.  That's
only needed for DOS (note: you don't need it for VPIX either).  I removed
mine because it seems to boot faster without the BIOS.  My system also
uses the C&T chipset, and have adjustable bus clock.  I've tested the
driver with the bus at both 6.67MHz and 10MHz without any problems.

--Tin

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. Tin Le                    Work Internet: tin at smsc.Sony.COM
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