11 Feb
2002
11 Feb
'02
6:14 a.m.
-----Original Message-----
From: Sellam Ismail [mailto:foo@siconic.com]
to be able to read just about anything, but writing
isn't as critical.
Usually when someone wants data converted these days, they
want it on CD
or 3.5" floppy.
Do you plan to read tk50, QIC-1000, 9-track? What about the SyQuest
removables that were so common on Macintosh systems?
Chris
Christopher Smith, Perl Developer
Amdocs - Champaign, IL
/usr/bin/perl -e '
print((~"\x95\xc4\xe3"^"Just Another Perl
Hacker.")."\x08!\n");
'
10 Feb
10 Feb
11:47 p.m.
On Mon, 11 Feb 2002, Christopher Smith wrote:
Do you plan to read tk50, QIC-1000, 9-track? What
about the SyQuest
removables that were so common on Macintosh systems?
Yes, yes, yes and yes. I neglected to mention TK50 (but have a drive), I
don't know what QIC-1000 is but I want a drive for it. And with regards
to the last two, if you read my message you know that I already specified
those.
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
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* Old computing resources for business and academia at www.VintageTech.com *
11 Feb
11 Feb
9:23 a.m.
Sellam Ismail wrote:
On Mon, 11 Feb
2002, Christopher Smith wrote:
Do you plan to read tk50?
Yes. I neglected to mention TK50 (but have a drive).
1:31 a.m.
On Mon, 11 Feb 2002, Jerome Fine wrote:
When you say you have a drive, do you meant the TZ30.
This
is a 5 1/4" half-height drive that also uses the same media as
the TK50, but has a standard 50 pin SCSI interface. Since
Ok, specifically it is a TK50Z, an external box. What's the difference?
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
* Old computing resources for business and academia at www.VintageTech.com *
10:49 a.m.
On Mon, 11 Feb 2002, Sellam Ismail wrote:
The TZ30 is a SCSI HH TK50. The TK50Z is a FH TK50 with a TK50 -> SCSI
board.
Peace... Sridhar
When you say
you have a drive, do you meant the TZ30. This
is a 5 1/4" half-height drive that also uses the same media as
the TK50, but has a standard 50 pin SCSI interface. Since
Ok, specifically it is a TK50Z, an external box. What's the difference? 
3:12 p.m.
Ok, specifically it is a TK50Z, an external box.
What's the difference?
It's been said that the 'non -GA' systems
aren't generic SCSI, but a DEC proprietization.
I have one both. The TK50Z-GA is the one that
has the SCSI ID selector on it, so the story seems
to jive.
Believe the -GA will work on 3100 and greater and
the -non will work on 2000's. Don't know for certain
yet.
John A.
13 Feb
13 Feb
8:57 a.m.
--- John Allain <allain(a)panix.com> wrote:
Yes... Z8530 SCSI chip, minor mods to the protocol. It's possible
to connect, say, an Amiga 2000 w/A2091 to a TK50Z-FA, but it has to
be the only device on the bus. A friend of mine at the local DEC
office did it 10 years ago (he had access to the drives through work,
I guess).
Ok,
specifically it is a TK50Z, an external box.
What's the difference?
It's been said that the 'non -GA' systems
aren't generic SCSI, but a DEC proprietization. I have one both. The TK50Z-GA is the one that
has the SCSI ID selector on it, so the story seems
to jive.
The TK50Z-FA board has no selector, as you say, but it does have a
fixed target address (2? 4?)
Believe the -GA will work on 3100 and greater and
the -non will work on 2000's. Don't know for certain
yet.
I have been using TK50Z-FAs on MV2000s for years. I have never had
a MV3100 to play with, but AFAIK, you are correct.
I also understand that device ID selector aside, when you drop a -GA
ROM into an -FA, it behaves like a -GA at a fixed address. To change
the SCSI target address requires hardware mods to the -FA board but
it can be done.
-ethan
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10:02 a.m.
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3:16 p.m.
--- Tony Duell <ard(a)p850ug1.demon.co.uk> wrote:
Whoops! You're right... typo. I should know better - we used the Z8530
in our COMBOARDs. The NCR 5380 is in the Mac Plus, some Amiga boards,
old Suns, etc.
I've written code for both, probably why I swapped the numbers.
-ethan
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Yes... Z8530
SCSI chip, minor mods to the protocol. It's possible
A minor correction. The Z8530 is a serial comms chip (USART-type thing),
used in Macs, PERQ3as, Suns, and so on.
The SCSI chip you're thinking of is, I believe, the NCR 5380. Another
very popular device.
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8 comments
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participants (7)
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allain＠panix.com -
ard＠p850ug1.demon.co.uk -
csmith＠amdocs.com -
erd_6502＠yahoo.com -
foo＠siconic.com -
jhfine＠idirect.com -
vance＠ikickass.org