| T.R | Title | User | Personal
Name | Date | Lines |
|---|
| 5307.1 | EPROM-UPDATE? | JGODCL::EDERVEEN | If all else fails, read the instructions | Mon Dec 30 1991 03:46 | 13 |
| What revision is your firmware?
The EPROM's with revision before v6.6 cause trouble with more than one
SCSI-device. The older revisions seem to have some trouble with SCSI-
Re-select.
If you have the old EPROM's, you should try to get an update.
(Here in the Netherlands, Commodore is updating A26x0 and A2091 FREE!)
Ave, Frank
P.S. look in the other topics about 2091, there are quit a lot of
them...
|
| 5307.2 | | LODGE::LEN | David M. Len | Mon Dec 30 1991 11:47 | 10 |
| re: .1
I just bought the 2091, and I made sure that it came with v6.6.
I did a title search on 2091, and didn't find anything that answered
the question of 2091 external SCSI termination.
I have been reading this conference for quite awhile, and I have
followed the topics about SCSI termination, and connecting TK50's. But
I don't remember anything that covered my question there either.
|
| 5307.3 | Easier than it looks | ULTRA::KINDEL | Bill Kindel @ LTN1 | Mon Dec 30 1991 12:10 | 29 |
| Re .2:
> I did a title search on 2091, and didn't find anything that answered
> the question of 2091 external SCSI termination.
>
> I have been reading this conference for quite awhile, and I have
> followed the topics about SCSI termination, and connecting TK50's. But
> I don't remember anything that covered my question there either.
I've connected an external RZ23 drive to my A590, which is effectively
an A2091 clone. You won't need to do ANYTHING to the controller. If
you're mounting the TK50 INTERNALLY (presumably in the 5�" drive bay,
with some hackery of the front panel), then it will share the flat SCSI
cable with your internal disk drive. The unit on the end of the cable
should have termination resistors; the other unit should not. (Try it
first -- with such short cable lengths, you may well be able to skip
termination altogether.) Simple enough?
If you're mounting the TK50 EXTERNALLY (which is much more likely),
you'll need a Macintosh-style SCSI cable to connect the 25-pin D-sub
jack on the back of the A2091 to the SCSI-1 (50-pin Centronics) jack on
the cabinet. The TK50 must have termination resistor packs.
Regardless of WHERE/HOW you mount the TK50, you'll need to avoid SCSI
address collision. Many drives come pre-set to address #6, which I
believe is hard-wired in the TK50. Use the A2091's HDtoolbox to
display the current SCSI address(es) known to the controller. You'll
also need to use this tool to reset the "last unit" switch so unit
numbers higher than that of your boot device are seen at startup.
|
| 5307.4 | TK50 Scsi ID | MEDDLE::ANUSZCZYK | Prepare for ludicrous speed! | Tue Dec 31 1991 12:53 | 14 |
| Actually, I believe the TK50 comes preset to be unit number 5. This can be
changed by moving the unit id jumpers on the TK50 internal controller board.
Also, I'm not sure if this is true for the Amiga, but for a PVAX you need to
remove the internal termination jumber on the TK50's controller board.
Also, it helps immensily to have the latest ROMS for the TK50. At least in ZKO,
a great number of the TK50's in a box had less than new ROMS. The result was
when used with a VS2000 it worked fine. But try and use it as a PVAX SCSI
device and "strange" things happened. Using new ROMS solved all the problems
and made the TK50 become a properly behaved SCSI device.
Don't know if any of this will help, but more info is better than less :-)
- Jeff
|