SOLVED: TQK70 Jumper Settings
moo...@umiami.ir.miami.edu
The following was the *BEST* reply to my question regarding TK70 jumpers.
From a fellow who does not have access to comp.os.vms.
If there is a VAX hardware FAQ somewhere, this ought be included.
Bill
moo...@umiami.ir.miami.edu
------------------- text of forwarded message follows -----------------
From: monscheuer%tst-h...@Germany.EU.net
Subj: TQK70 JUMPERS
I don't know weather you've already got an answer to your TQK70 request on the
Internet or not. If so, here is another one:
--------------------------------
| |
| | Q-bus side
| Unit select |
| ::::::: |
| |
|-- :::::::: | Jumpers A2 - A12 are used for
to | | A12 A2 | CSR-address selection.
drive| | | The other jumpers only define the
|-- | unit number (i.e. MUB2 instead of MUB0)
--------------------------------
A12 11 10 9 8 7 6 5 4 3 2
1 1 0 0 1 0 1 0 0 0 0 = 774500
0 0 0 0 1 0 0 0 0 0 1 = 760404 You've got the rule ?
The first digit always is seven and cannot be altered.
The second digit is either seven or six. If A12 is in, it means seven,
otherwise it's six.
A11 - A9 determines the third digit. ( 100 binary = 4)
A8 - A6 determines the fourth digit. ( 101 binary = 5)
A5 - A3 " " fifth " ( 000 0)
A2 determines the last digit which is only valid if it's 0 or 4(oct).
IF A2 is in, it means 4, otherwise it's 0.
A definition for the interrupt vector isn't needed, as it is
always the lowest according to the devices standard or alternate
address.
CAUTION :
Don't forget to adjust the other devices on the Q-bus !!! :-)
For example :
Configuration before TK70 application
Device: UDA Name: PUA CSR: 772150 Vector: 154 Support: yes
Device: TU81 Name: PTA CSR: 774500 Vector: 260 Support: yes
Device: QNA Name: XQA CSR: 774440 Vector: 120 Support: yes
Device: DHV11 Name: TXA CSR: 760440* Vector: 300* Support: yes
Device: DHV11 Name: TXB CSR: 760460* Vector: 310* Support: yes
Configuration after TK70 application
Device: UDA Name: PUA CSR: 772150 Vector: 154 Support: yes
Device: TU81 Name: PTA CSR: 774500 Vector: 260 Support: yes
Device: QNA Name: XQA CSR: 774440 Vector: 120 Support: yes
Device: TU81 Name: PTB CSR: 760404* Vector: 300* Support: yes
Device: DHV11 Name: TXA CSR: 760440* Vector: 310* Support: yes
Device: DHV11 Name: TXB CSR: 760460* Vector: 320* Support: yes
Note that the DHV11 vectors have to be adjusted !!!!
If this is not done, the DHV11s will be in a muddle and the tape drive
will remain invisible.
Depending on your configuration other devices may be affected.
BTW, have you ever tried to power up the drive without a connection
to the controller ?
If the "tape in use"-light is still on under this condition, the drive
may be defective. :-(
Hope, this was useful... I would be pleased, if you drop me a line
about it - if you do so, please DON'T use any kind of REPLY.
Use one of the addresses below.
Kind regards
Michael
================================================================================
Michael Monscheuer Internet : tst-hh!monscheuer.germany.eu.net
or Internet : monsc...@tst-hh.uucp
PSI-mail : Germany 4541031306::Monscheuer
Wassermuehlenstr.11 Phone/Fax : +49 4122 47652
Phone : +49 171 5107677
D-25436 Uetersen Phone(firm): +49 4103 60 5550
================================================================================
MOO...@umiami.ir.miami.edu
From: moo...@umiami.ir.miami.edu
Newsgroups: comp.os.vms
Subject: SOLVED: TQK70 Jumper Settings
Message-ID: <1994Jul26.1...@umiami.ir.miami.edu>
Date: 26 Jul 94 17:06:45 EDT
Organization: Univ of Miami IR
Lines: 90