In a similar shenanigans vein, I've no explanation for the $20k+ IBM
5120's being listed.I think one of them has been listed as such for
over a year now.
- Steve v*
On Tue, Apr 18, 2023 at 9:09 AM Sellam Abraham via cctalk <
cctalk@classiccmp.org> wrote:
> On Tue, Apr 18, 2023, 6:59 AM Tom
On Tue, Apr 18, 2023 at 11:04 PM John Robertson via cctalk
wrote:
>
> I like to start with schematics before poking too much...
So do I.
>
> I assume bad caps (will replace with low-ESR high temp), and possibly
> blown transistor(s)...
>
> *And Gregory Beat sent me a link that covers the 1001 S
On Wed, Apr 19, 2023 at 2:37 AM Tom Hunter via cctalk
wrote:
>
> ... or four $20 power transistors to protect a 10 cent fuse like on the DEC
> VR-14 display.
In general the transistor(s) will fail short-circuit, thus taking out
the fuse too.
Some switch-mode power supplies use special fast-actin
On 4/18/23 18:37, Tom Hunter via cctalk wrote:
> ... or four $20 power transistors to protect a 10 cent fuse like on the DEC
> VR-14 display.
A friend who worked as a DEC CE decades ago, said that
"transistor-protected fuses" was a standing joke among that community.
--Chuck
... or four $20 power transistors to protect a 10 cent fuse like on the DEC
VR-14 display.
Tom
On Wed, 19 Apr 2023, 6:16 am Fred Cisin via cctalk,
wrote:
> On 2023/04/18 9:40 a.m., Tony Duell wrote:
> > The blown out resistor likely has "blown out" for a reason.
> > The replacement will probably
On Tue, Apr 18, 2023 at 3:16 PM Fred Cisin via cctalk
wrote:
> On 2023/04/18 9:40 a.m., Tony Duell wrote:
> > The blown out resistor likely has "blown out" for a reason.
> > The replacement will probably suffer the same faith unless you find the
> > root cause.
>
> Isn't there usually a larger, m
On 2023/04/18 9:40 a.m., Tony Duell wrote:
The blown out resistor likely has "blown out" for a reason.
The replacement will probably suffer the same faith unless you find the
root cause.
Isn't there usually a larger, more critical component, such as a
proprietary microprocessor, to blow out to
On 2023/04/18 9:40 a.m., Tony Duell wrote:
On Tue, Apr 18, 2023 at 2:51 PM Tom Hunter via cctalk
wrote:
The blown out resistor likely has "blown out" for a reason.
The replacement will probably suffer the same faith unless you find the
root cause.
As soon as I saw 'Boschert' mental alarm bell
Mail lists are harder to manage, and why forums and social media have
supplanted them. I have brought this same subject up before, but not
everyone seems to be interested in or has access to manage their DNS this
way in a practical manner. I throw this back at the CPANELs and such of
the world to
Folks,
As I try to track down why various subscribers are getting booted from
the list in the last couple of days, I'm noticing that a number of you
are subscribed from an address that forwards elsewhere.
This works poorly.
TL;DR follows, but basically this is brought to you by the fact that
mod
It shouldn't be "part of the experience". It's poor planning and poor
management of the consignment area on the part of the organizers. This
same thing happened at VCF "West" last year and it was a catastrophe.
There was a line snaking down the hallway at least a fifty people deep and
they were
On 4/18/23 09:40, Tony Duell via cctalk wrote:
> On Tue, Apr 18, 2023 at 2:51 PM Tom Hunter via cctalk
> wrote:
>>
>> The blown out resistor likely has "blown out" for a reason.
>> The replacement will probably suffer the same faith unless you find the
>> root cause.
>
>
> As soon as I saw 'Bosc
On Tue, Apr 18, 2023 at 2:51 PM Tom Hunter via cctalk
wrote:
>
> The blown out resistor likely has "blown out" for a reason.
> The replacement will probably suffer the same faith unless you find the
> root cause.
As soon as I saw 'Boschert' mental alarm bells triggered
Boschert made a parti
I’ve found that following traces and identifying components that connect to
either side of the failed resistor is usually a good start for finding root
cause.
Shorted power transistors, diodes, or portions of bridge rectifiers have been
the root cause of cascading failures in my cases.
-Royce
On Tue, Apr 18, 2023, 6:59 AM Tom Hunter via cctalk
wrote:
> The Ebay listing hasn't sold but has been relisted at the same price.
>
Indeed, it appears to be:
https://www.ebay.com/itm/225514573805
Non-paying "buyer"? Or shenanigans?
Sellam
>
The Ebay listing hasn't sold but has been relisted at the same price.
On Tue, Apr 18, 2023 at 12:16 AM John Robertson via cctalk <
cctalk@classiccmp.org> wrote:
> On 2023/04/17 9:12 a.m., Sellam Abraham via cctalk wrote:
> > My initial reaction is that $2,000 seems a "bit" optimistic.
> >
> > Th
The blown out resistor likely has "blown out" for a reason.
The replacement will probably suffer the same faith unless you find the
root cause.
On Tue, Apr 18, 2023 at 12:20 AM John Robertson via cctalk <
cctalk@classiccmp.org> wrote:
> I've checked bitsavers.org (Al does a great job!), and a num
Fred Cisin wrote:
On Mon, 17 Apr 2023, AT&T Customer Service via cctalk wrote:
Sorry, I forgot to post the location. I'm in Kent, Washington. USA.
disregard the AT&T customer service. Have E-mails in to them. not sure
what going on there, but its at&tso anything is possible.
With a user na
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