26 Sep
2006
26 Sep
'06
6:22 p.m.
Roy J. Tellason wrote:
________________________________
I've been going through a whole mess of stuff trying to get a CD burner
working here, one I have won't work at all, one won't open and close its
drawer reliably, and what I finally got to work was an external unit, a
Yamaha CRW4260tx. Not new, but hey, it works...
The thing is, I've currently got it hooked up by having the cover off,
using
a 50-wire ribbon cable from the rear of the actual drive assembly to the
internal connector of the Adaptec 2940 that's in the computer, which also
has its cover off. I'd like to put the covers on again, particularly since
someone mentioned in here that cooling is critical with those drives, but
to
do that I need the right cable.
The person I got this stuff from gave me *all* of their SCSI stuff, they
ssy.
And included in that was a ribbon cable, but that's apparently for internal
use as it has three connectors on it and they're all the same size. I do
have the book for the burner handy, and the cable shown in there is round.
And the connector on the burner (2 of them actually) is *smaller* than the
external connector on the 2940, I don't know exactly what you'd call this
one.
Anybody have such a cable they'd be willing to part with? I don't have much
cash to work with at all, but could probably cover postage, or maybe trade
some stuff.
--------------------------------------------------------------------
Roy,
I've read this twice but couldn't figure out which cable you need. Where
does the cable go - drive to external box, external box to PC connector or
internal to PC? How many pins on each end, what kind of connector etc.
I can help you, albeit slowly, since the stuff is up North, 400 miles away.
I have three of the Yamaha units that you are welcome to. I'll even ship
them free. But all three have a bad laser diode. It was one of the early
burner designs and has a limited number of on-hours. I really liked the
Yamaha externals, but they wore out quickly.
The flat cable with the three connectors was used on one of the Yamaha boxes
to go from the drive to the TWO connectors on the back of the external box.
My other two Yamahas had the two rear connectors soldered together with
loose wires going into a 50 pin connector plugged into the back of the
drive.
I also have boxes of SCSI cables, all types, and terminators. But because
of the wide variation in types, I need to know exact pin count and connector
types. I have a few down here in Orange County, so maybe we'll be lucky.
Just send me a detailed description.
So let me know exactly what you are looking for. And if you want the other
Yamahas, I'll be going up 3rd week in October and can send them to you then.
Billy
26 Sep
26 Sep
6:45 p.m.
Hey All,
On 9/26/06, Billy Pettit <Billy.Pettit at wdc.com> wrote:
Roy J. Tellason wrote:
________________________________
[...]
use as it has three connectors on it and they're
all the same size. I do
have the book for the burner handy, and the cable shown in there is round.
And the connector on the burner (2 of them actually) is *smaller* than the
external connector on the 2940, I don't know exactly what you'd call this
one.
Anybody have such a cable they'd be willing to part with? I don't have much
cash to work with at all, but could probably cover postage, or maybe trade
some stuff.
--------------------------------------------------------------------
Roy,
I've read this twice but couldn't figure out which cable you need. Where
does the cable go - drive to external box, external box to PC connector or
internal to PC? How many pins on each end, what kind of connector etc.
I am going to guess a 68 pin wide to Honda 50.
Roy - can you check that the connector on the back of the adaptec card
is looking for a male connector that is secured with screws, and the
connector on the back of the CD writter is looking for a male
connector that is secured by clips.
[chomp]
I have a couple of these cables but I never seemed to get them to work
properly with my DLT drive and my NCR based host adapter. The cheap
cables seemed to do something unpleasent to the most significant 8
bits that stopped the wide drives from working correctly. The genuine
DEC cable I borrowed from a friend on a couple of occasions always
seemed to work properly.
Simon
--
------------------------------------------------------------------------
"Well, an engineer is not concerned with the truth; that is left to
philosophers and theologians: the prime concern of an engineer is
the utility of the final product."
Lectures on the Electrical Properties of Materials, L.Solymar, D.Walsh
7 p.m.
Simon Fryer wrote:
Hey All,
<snip>
<snip>
I found from Roys original posting that he wants a cable for the 2940 to
the Yamaha CRW4260tx .
I found that current ebay auction 190035478281 is of that external box.
The 2940 takes a 50 pin external cable to a 50 pin on the back of the
Yamaha external box.
The 2940U or 2940UW would need the 68 pin external, or would have
an internal 68 pin connector + a 50 pin connector. The 2940 does not.
I offered to send the cable to him off list, but if someone is closer, or
wants to superceed, let me know. I plan to send one to him in the next
day or two, unless something comes up.
Jim
I've read this twice but couldn't figure out which cable you need.
Where
does the cable go - drive to external box, external box to PC
connector or
internal to PC? How many pins on each end, what kind of connector etc.
I am going to guess a 68 pin wide to Honda 50. 
7:17 p.m.
On Tuesday 26 September 2006 07:00 pm, jim stephens wrote:
I found from Roys original posting that he wants a
cable for the 2940 to
the Yamaha CRW4260tx .
I found that current ebay auction 190035478281 is of that external box.
The 2940 takes a 50 pin external cable to a 50 pin on the back of the
Yamaha external box.
The 2940U or 2940UW would need the 68 pin external, or would have
an internal 68 pin connector + a 50 pin connector. The 2940 does not.
Hm. I was of the impression that the connector on the 2940(?) was wider than
the one on the external drive box, but I also see that the two 2940s I have
in my spares are using two different kinds of connectors -- one of those is
definitely a "uw", the other one is apparently not. If necessary I can
change out the one that's currently in the box for the one with the smaller
(50-pin?) connector on it.
I offered to send the cable to him off list,
Since you jumped right in there, I wasn't going to say anything about that
on-list unless you chose to. :-)
but if someone is closer, or wants to superceed, let
me know. I plan to
send one to him in the next day or two, unless something comes up.
I'm looking forward to it, since you nailed the drive pretty good.
--
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, a critter that can
be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James
M Dakin
7:13 p.m.
On Tuesday 26 September 2006 06:45 pm, Simon Fryer wrote:
<...>
I am going to guess a 68 pin wide to Honda 50.
I don't think either of these is "wide".
Roy - can you check that the connector on the back of
the adaptec card
is looking for a male connector that is secured with screws,
I can't conveniently get at the back of the machine right now, but I pulled
out both of my other 2940s, and the 2940uw is apparently a "wide" connector,
and fastens with screws, while the other (non-"uw") 2940 has a couple of
latches on either and of the connector, and is definitely smaller.
and the connector on the back of the CD writter is
looking for a male
connector that is secured by clips.
Probably. I just took a look at it and there are no screw fastenings there
either. Only thing I can tell you for sure is that it's smaller than the one
on the 2940. Honda 50? That's not a designation for a connector that I've
ever bumped into before. Google is finding me some pictures, though...
[chomp]
I have a couple of these cables but I never seemed to get them to work
properly with my DLT drive and my NCR based host adapter. The cheap
cables seemed to do something unpleasent to the most significant 8
bits that stopped the wide drives from working correctly. The genuine
DEC cable I borrowed from a friend on a couple of occasions always
seemed to work properly.
Are you mixing wide and narrow stuff there?
--
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, a critter that can
be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James
M Dakin
27 Sep
27 Sep
5:13 p.m.
Hey All,
On 9/27/06, Roy J. Tellason <rtellason at verizon.net> wrote:
Yup. That would be me! Unless it is all just right - it won't work.
Looking at the bright side SRM (SCSI card in question is in an alpha)
had the guts to say - can not see the hard drive correctly so can not
boot. So I knew I was doing somerthing stupid.
Simon
--
------------------------------------------------------------------------
"Well, an engineer is not concerned with the truth; that is left to
philosophers and theologians: the prime concern of an engineer is
the utility of the final product."
Lectures on the Electrical Properties of Materials, L.Solymar, D.Walsh
On Tuesday 26 September 2006 06:45 pm, Simon Fryer
wrote:
[...]
I have a
couple of these cables but I never seemed to get them to work
properly with my DLT drive and my NCR based host adapter. The cheap
cables seemed to do something unpleasent to the most significant 8
bits that stopped the wide drives from working correctly. The genuine
DEC cable I borrowed from a friend on a couple of occasions always
seemed to work properly.
Are you mixing wide and narrow stuff there? 
8:08 p.m.
Simon Fryer wrote:
That's the trouble with SCSI standards - there's just too many of them :-)
I've ended up with two separate SCSI HBAs in my home PC; one to run the
internal U160 devices and internal UW devices, then another to run the
internal narrow devices and the external UW devices.
cheers
Jules
--
A. Because it destroys the natural flow of conversation.
Q. What's wrong with top posting ?
Are you mixing
wide and narrow stuff there?
Yup. That would be me! Unless it is all just right - it won't work. 
7:32 p.m.
Anent 2940's:
I've got a never-used 2975, which is suppose to be a RAID controller
(narrow) for NetWare, but appears to most other systems as 3 2940s. It has
3 50 pin headers on the card and an HD50 on the rear bracket. It might
make a good controller for handling a bunch of slow-speed devices. I've
never found much use for it, other than as a curiosity.
Cheers,
Chuck
7:40 p.m.
Jules Richardson wrote:
Simon Fryer wrote:
That's the trouble with SCSI standards - there's just too many of them :-)
I've ended up with two separate SCSI HBAs in my home PC; one to run the
internal U160 devices and internal UW devices, then another to run the
internal narrow devices and the external UW devices.
There are single boards that will do all that.
Peace... Sridhar
Are you
mixing wide and narrow stuff there?
Yup. That would be me! Unless it is all just right - it won't work.
26 Sep
26 Sep
6:55 p.m.
On Tuesday 26 September 2006 06:22 pm, Billy Pettit wrote:
Roy J. Tellason wrote:
________________________________
I'd like to put the covers on again,
I do have the book for the burner handy, and the
cable shown in there is
round. And the connector on the burner (2 of them actually) is *smaller*
than the external connector on the 2940,
--------------------------------------------------------------------
Roy,
I've read this twice but couldn't figure out which cable you need. Where
does the cable go - drive to external box, external box to PC connector or
internal to PC? How many pins on each end, what kind of connector etc.
Sorry if I wasn't clear enough, but I need the cable that'll go from the
external connector on an Adaptec 2940 to the external connector on this
Yamaha drive.
I can help you, albeit slowly, since the stuff is up
North, 400 miles away.
I appreciate that, but I've already heard from one person off-list who says
they're sending me one.
I have three of the Yamaha units that you are welcome
to. I'll even ship
them free. But all three have a bad laser diode. It was one of the early
burner designs and has a limited number of on-hours. I really liked the
Yamaha externals, but they wore out quickly.
Sorry to hear that. How long did they last? And what was the symptom of the
laser going bad?
The flat cable with the three connectors was used on
one of the Yamaha
boxes to go from the drive to the TWO connectors on the back of the
external box.
Not this one I received from the person I got this stuff from, it's *way* too
long to even fit inside that box.
My other two Yamahas had the two rear connectors
soldered together with
loose wires going into a 50 pin connector plugged into the back of the
drive.
The internal cabling for the Yamaha box has a bunch of loose wires that go
from one of the external connectors to the connector
that plugs into the back
of the drive and then to the other external connector.
Mostly green and
gray.
I also have boxes of SCSI cables, all types, and
terminators. But because
of the wide variation in types, I need to know exact pin count and
connector types.
That's one of the problems I run into with SCSI stuff, although I don't
otherwise have much of a problem with it as far as setting things up,
configuring, etc. goes.
I have a few down here in Orange County, so maybe
we'll be lucky. Just send
me a detailed description.
The one in question is the one on the external side for an Adaptec 2940. I'm
not sure what you'd call this. Not the 2940uw, which I also have one of,
though I haven't actually looked to see if the external connectors are
differnt on those or not.
The other one is on the back of the Yamaha external box (well, actually there
are two of them on there). The person I corresponded with offlist pointed
here:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=190035478281&ru=…
search.ebay.com:80/190035478281_W0QQfrppZ50QQfsopZ1QQmaxrecordsreturnedZ300QQfviZ1
which appears to be the exact same unit. I don't know what they call those
connectors either.
So let me know exactly what you are looking for. And
if you want the other
Yamahas, I'll be going up 3rd week in October and can send them to you
then.
I don't know how feasible it would be to actually repair those units or
whether it would be easy enough to just drop another SCSI burner in the same
external box, so let me look into that and feel free to drop me a note then
and we'll kick it around some offlist.
--
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, a critter that can
be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James
M Dakin
7:03 p.m.
Roy J. Tellason wrote:
> I do have the book for the burner handy, and the
cable shown in there is
> round. And the connector on the burner (2 of them actually) is *smaller*
> than the external connector on the 2940,
If I'm right that you're running a 2940W (or 2940UW or 2940U2W) instead
of a 2940, the cable you're looking for is HONDA68 -> HONDA50 *with
high-byte termination*.
Peace... Sridhar
7:19 p.m.
On Tuesday 26 September 2006 07:03 pm, Sridhar Ayengar wrote:
Roy J. Tellason wrote:
I understand the need for the high-byte termination you mention here, as that
may be at the root of some of the problems that I've seen others mention in
this thread. What I don't understand is why a card that has only a 50-pin
internal connector would have a 68-pin connector on the external bracket.
It also came as a bit of a surprise to me that when I pulled out my box of
those cards I found that even though all three of them had the same model
number that they were apparently three different cards...
--
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, a critter that can
be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James
M Dakin
> I do have the book for the burner handy, and
the cable shown in there
> is round. And the connector on the burner (2 of them actually) is
> *smaller* than the external connector on the 2940,
If I'm right that you're running a 2940W (or 2940UW or 2940U2W) instead
of a 2940, the cable you're looking for is HONDA68 -> HONDA50 *with
high-byte termination*. 
7:28 p.m.
The card is wide SCSI... the internal side has both wide and narrow.
You can get a 50 pin ribbon cable to PC slot cover with a either a 50 pin
SCSI2 connector or one of those DB25 SCSI connectors used by the old Mac's
and early PC's to bring the 50 pin bus external.
Either that or I may have a 2940 Narrow interface here that I'd swap.
Bill
On 9/26/06, Roy J. Tellason <rtellason at verizon.net> wrote:
On Tuesday 26 September 2006 07:03 pm, Sridhar Ayengar wrote:
I understand the need for the high-byte termination you mention here, as
that
may be at the root of some of the problems that I've seen others mention
in
this thread. What I don't understand is why a card that has only a 50-pin
internal connector would have a 68-pin connector on the external bracket.
It also came as a bit of a surprise to me that when I pulled out my box of
those cards I found that even though all three of them had the same model
number that they were apparently three different cards...
--
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, a critter that can
be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies.
--James
M Dakin
Roy J. Tellason wrote:
>> I do have the book for the burner handy, and the cable shown in
there
> is
round. And the connector on the burner (2 of them actually) is
> *smaller* than the external connector on the 2940,
If I'm right that you're running a 2940W (or 2940UW or 2940U2W) instead
of a 2940, the cable you're looking for is HONDA68 -> HONDA50 *with
high-byte termination*.
10:38 p.m.
On Tuesday 26 September 2006 07:28 pm, Bill Pechter wrote:
The card is wide SCSI... the internal side has both
wide and narrow.
Not the one that's in the machine, that has only the 50-pin internal
connector. One of the ones I have in the box has both, though ("uw").
--
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, a critter that can
be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James
M Dakin
6508
days inactive
6509
days old
13 comments
8 participants
participants (8)
-
Billy.Pettit＠wdc.com -
cclist＠sydex.com -
fryers＠gmail.com -
julesrichardsonuk＠yahoo.co.uk -
jwstephens＠msm.umr.edu -
pechter＠gmail.com -
ploopster＠gmail.com -
rtellason＠verizon.net