While attempting to restore some files from a 4mm tape, using an HP
SureStore Tape 2000 drive, something happened to me for the first
time: the drive made a strange moaning sound then stopped reading the
tape. Not only did the drive stop reading the tape, but it had begun
eating the tape as well, nearly chewing all the way through it on one
spot.
I'm guessing that this is a problem which, if not affecting others
yet, will soon start affecting others who are relying upon such drives
for backing up and restoring critical data. Fortunately, I'd recently
switched to using DLT IV drives for backups, but a few files that I
wanted to restore were still on other tapes.
Does anyone know where rubber parts for these drives, like rollers,
can can be purchased, so that others with these drives can replace
them and avoid what I experienced? I should have realized that
something was about to go wrong with internal parts as well when one
of the drive's rubber feet began to stick to the metal chassis it was
resting upon.
--
R. D. Davis 410-744-4900 Beware & halt the National Animal ID System (NAIS)!
www.rddavis.orghttp://nonais.orghttp://www.libertyark.orgwww.danglingspiders.comhttp://www.rddavis.org/equitation/freedom-vs-id.html
Dangling Spiders Electronic Music Studio http://www.stopanimalid.org
I've been poking around inside my HP9000/C180 machine (1x SE Fast-10 narrow SCSI, 1x FWD integrated, 1x FWD GSC card).
I am aware that this machine is still slightly stretching ontopic, but the diff part is definitely ontopic.
Currently, it has 1x4GB and 1x2GB, which leaves little free space with a very off-topic OS (HP-UX 11.11)
diff SCSI drives, while technically superior to SE, are difficult to find, so I'm looking at alternates.
Looking at the machine, the SCSI busses appear to have a standard SCSI chip feeding into differential
drivers. Is it possible to gracefully remove the diff drivers and convert it to single-ended operation?
Quoth Zane:
>Have you thought about getting converter boards to convert SE drives
>to HVD? Yes, they made such things. Are HVD drives really that hard
>to get?
I've got a DEC DWZZB converter, but that requires messing with the
StorageWorks shelf and cables to trip over and set up every time I use the machine.
I also have a pile of SE drives, including 1 9GB. Diffs seem to be most common in the
4G and under range, and all bays are full.
It also seemed like a reasonable way to make an old machine more useable without
spending money, pulling a couple of driver chips and putting in jumpers- but perhaps
not. Maybe NFS is a better answer.
>
>Subject: Re: NEC uPD 780c-1
> From: ard at p850ug1.demon.co.uk (Tony Duell)
> Date: Tue, 28 Nov 2006 23:47:26 +0000 (GMT)
> To: cctalk at classiccmp.org
>
>>
>> Can this chip, said to be compatible with the Z80, be
>> replaced by one altogether?
>
>I beelive so. When I built a homebrew computer <mumble> years ago, I used
>am NEC D780C. It was supplied when I ordered a Z80, I never found any
>incompatibilities.
>
>-tony
Guarenteed to be fully compatable.
Allison
> I'm guessing that this is a problem which, if not affecting others
> yet, will soon start affecting others who are relying upon such drives
> for backing up and restoring critical data.
Decomposing rubber components has been a problem for digital tape transports
for at least a decade or more now. I know of no vendor who supplies
replacements for the dozens of different QIC transports, for example.
Crisis Computer used to fix HP transports, but they do not sell parts, only
expensive refurbed complete units.
This should be a business opportunity for someone, but I don't know of
anyone who is selling replacement rubber parts for digital transports.
Anyone who has historically significant data on tape should get it OFF of
that media as quickly as possible and onto something that is more easy to
migrate in the future.
Hi all,
This isn't official yet, but we're aiming for Saturday, May 19 next year.
We might add Sunday, May 20 as well, but that won't be decided anytime soon.
Location is the same as East 3.0 was this year: the InfoAge Science Center
(infoage.org) in Wall Township, N.J.
We considered having the East event on the same weekend as VCF Europa, and
having inter-VCF things such as IRC terminals and videocasts, but
unfortunately it didn't work out because of some other BIG news that I can't
announce right now but might within a couple of weeks. :-)
- Evan
Hmm, there are indeed some smaller components I hadn't noticed that might indeed be memory, Some smaller unbranded 2x HC240's, 4x HC74's and some rather large ones : Malaysia 8835/ HM6264ALFP-12T.
I'm still not sure I'm following, whilst you are probably giving me usefull information. My knowledge on the pure details of a harddisk are fairly limited. I know how it mechanically works, but how the data is carried is another thing. What does this mean: "From the OMTI chips you mention, I am now almost certain that's a raw interface, possibly simular to ST412."
Could I use the 50 pins connection from the motherboard to the board for any other purpose ? Is any 26 pin HD in 3,5 inch available? What are my options? The original 26pin harddrive is dead, the step-motor to rotate the hard discs is fried. (Btw, the original HD takes its power from the datastrip).
Thanx & Greetz Stijn
I have someone looking for up to 4 BA11F expansion boxes with or without
cabinets or power supplies. If you have any please contact me off list.
Thanks
Paul
On 27 Nov, 2006, at 12:06, cctech-request at classiccmp.org wrote:
>
> Interestingly, it shows a Vesatec V80. Exactly the same thing has
> happened to the platten roller in my V80 :-(, so sometime I am
> going to
> have to work out how to repair that,,,
Would it be possible to extract the roller and clean it, then use
multiple
layers of inner tube to make it up to the right thickness? Use an
adhesive
to stick the layers together and to the metal roller otherwise they will
work themselves up toward one end. Inner tubes are available in a
wide range of sizes from bicycles, trade bikes (mountain these days?),
motorcycles, cars, lorries and tractors and they can be stretched a lot.
Roger.
