> The 924 should be the same as a 955 keyboard. There seemed to be two
> compatible types of the keyboard - an older
> thicker keyboard (shipped the TS-803 et al, and looks like an enhanced
> 925/950 keyboard), and a newer thinner profile
> keyboard used on later terminals.
>
> From what I'
On Wed, Apr 24, 2019 at 8:51 PM Al Kossow via cctalk
wrote:
>
>
>
> The keyboard controller is an 8049. Firmware not readable.
>
> It may actually be compatible with the 955 keyboard, which I was able to
> read.
> Key layout is the same, though the manuf is different
>
The 924 should be the
The keyboard controller is an 8049. Firmware not readable.
It may actually be compatible with the 955 keyboard, which I was able to read.
Key layout is the same, though the manuf is different
On 04/24/2019 08:47 PM, Al Kossow via cctalk wrote:
>
> On 4/24/19 5:46 PM, allison via cctalk wrote:
>
>> The 8049 is readable just like the 8048 save for 2k device. I worked
>> for NEC back then and had access to intel parts too.
> is that true for "HC" parts or just NMOS?
>
>
All! The HC were
On 4/24/19 5:46 PM, allison via cctalk wrote:
> The 8049 is readable just like the 8048 save for 2k device. I worked
> for NEC back then and had access to intel parts too.
is that true for "HC" parts or just NMOS?
On 04/24/2019 07:55 PM, Guy Dunphy via cctalk wrote:
> At 08:14 AM 24/04/2019 -0700, you wrote:
>>
>> On 4/24/19 5:39 AM, Guy Dunphy wrote:
>>
>>> The keyboard controller is an 8049. Firmware not readable.
>> 8049s aren't protected. they are 2k versions of the 8048
>> and can be read as 8749s
> I d
Thanks, I'll check that.
At 07:48 AM 24/04/2019 -0500, wrco...@wrcooke.net wrote:
>
>> On April 24, 2019 at 7:39 AM Guy Dunphy via cctalk
>> wrote:
>>
>
>> I haven't dumped the chargen chip yet, because I don't know what it is, and
>> suspect it's more complex than just a ROM.
>> 24 pin chara
At 08:14 AM 24/04/2019 -0700, you wrote:
>
>
>On 4/24/19 5:39 AM, Guy Dunphy wrote:
>
>> The keyboard controller is an 8049. Firmware not readable.
>
>8049s aren't protected. they are 2k versions of the 8048
>and can be read as 8749s
I did try reading it as an 8749. By 'not readable' I meant it re
On 4/24/19 5:39 AM, Guy Dunphy wrote:
> The keyboard controller is an 8049. Firmware not readable.
8049s aren't protected. they are 2k versions of the 8048
and can be read as 8749s
> On April 24, 2019 at 7:39 AM Guy Dunphy via cctalk
> wrote:
>
> I haven't dumped the chargen chip yet, because I don't know what it is, and
> suspect it's more complex than just a ROM.
> 24 pin character gen ROM/? at U10 is marked:
>
> VTi (logo)
> 350 RN 118
> 2333-5006
> 8000142
> (
At 04:34 PM 23/04/2019 -0700, you wrote:
>
>
>On 4/23/19 3:35 PM, Guy Dunphy via cctalk wrote:
[my Televideo 924]
>
>I have maint manuals for the 925.
>
>Some photos of the boards and dumps of the keyboard firmware and controller
>would be nice to add to bitsavers, since I've not come across one
On Tue, Apr 23, 2019, 11:42 Al Kossow via cctalk
wrote:
>
>
> On 4/23/19 4:43 AM, Patrick Finnegan via cctalk wrote:
> > I should be able to do that for you if you don't find someone else with a
> > dumped room sooner.
>
> I was wondering what TS-8xx systems you have that supported RS-422,
> and
Cool, thanks, Al! I'll give that a go.
On Tue, Apr 23, 2019 at 5:20 PM Al Kossow via cctalk
wrote:
> it is the same one used in the 910 180-016A_A17_85AE.bin
>
> On 4/23/19 12:23 AM, Josh Dersch via cctalk wrote:
> > Hi all --
> >
> > I'm working on a Televideo 925 terminal with a few probl
On 4/23/19 3:35 PM, Guy Dunphy via cctalk wrote:
> When I saw this thread I thought 'Oh, I have a 925!' Which was working last
> time (years ago.)
> But wouldn't you know. When I checked, it's a Televideo 924. Off by one.
>
> But perhaps the character ROM content is the same?
> Anyway I will
When I saw this thread I thought 'Oh, I have a 925!' Which was working last
time (years ago.)
But wouldn't you know. When I checked, it's a Televideo 924. Off by one.
But perhaps the character ROM content is the same?
Anyway I will see if it still works, and secure all the ROM images. Today.
I
On Tue, Apr 23, 2019 at 8:25 AM Patrick Finnegan wrote:
> On Tue, Apr 23, 2019 at 11:02 AM Jon Elson via cctalk <
> cctalk@classiccmp.org> wrote:
>
>> Is the ROM totally bad, or just losing a few bits here and
>> there? If the latter, you could probably read it out, figure
>> out how the rows, co
On 4/23/19 4:43 AM, Patrick Finnegan via cctalk wrote:
> I should be able to do that for you if you don't find someone else with a
> dumped room sooner.
I was wondering what TS-8xx systems you have that supported RS-422,
and if you've dumped the firmware from them.
I can request the TS-806/20
On Tue, Apr 23, 2019 at 11:02 AM Jon Elson via cctalk
wrote:
> Is the ROM totally bad, or just losing a few bits here and
> there? If the latter, you could probably read it out, figure
> out how the rows, columns and characters are mapped, and fix it.
>
Considering that 925s are really common, a
it is the same one used in the 910 180-016A_A17_85AE.bin
On 4/23/19 12:23 AM, Josh Dersch via cctalk wrote:
> Hi all --
>
> I'm working on a Televideo 925 terminal with a few problems, one of which
> is a bad character generator ROM, (a MOS 2332). Does anyone have a dump of
> this already, o
On 04/23/2019 02:23 AM, Josh Dersch via cctalk wrote:
Hi all --
I'm working on a Televideo 925 terminal with a few problems, one of which
is a bad character generator ROM, (a MOS 2332). Does anyone have a dump of
this already, or have a working 925 they'd be able to dump the ROM from?
Is the
what is the ROM written on?
b
On Tue, Apr 23, 2019 at 7:44 AM Patrick Finnegan via cctalk <
cctalk@classiccmp.org> wrote:
> I should be able to do that for you if you don't find someone else with a
> dumped room sooner.
>
> Patrick Finnegan
>
> On Tue, Apr 23, 2019, 03:23 Josh Dersch via cctalk
I should be able to do that for you if you don't find someone else with a
dumped room sooner.
Patrick Finnegan
On Tue, Apr 23, 2019, 03:23 Josh Dersch via cctalk
wrote:
> Hi all --
>
> I'm working on a Televideo 925 terminal with a few problems, one of which
> is a bad character generator ROM,
: cctalk@classiccmp.org
Subject: Re: TeleVideo
On 1/23/19 1:39 PM, Patrick Finnegan via cctalk wrote:
> For anyone interested, I've restarted my blog on things I've been doing
> with TeleVideo systems, and have the first two parts (out of maybe a dozen
> or so pl
On 1/23/19 1:39 PM, Patrick Finnegan via cctalk wrote:
> For anyone interested, I've restarted my blog on things I've been doing
> with TeleVideo systems, and have the first two parts (out of maybe a dozen
> or so planned) up.
>
> http://worldofvax.blogspot.com/2019/01/televideo-systems-part-i.
On 1/24/18 3:05 PM, Electronics Plus via cctalk wrote:
> I am clearing these out of my stock:
>
> 4 are beige, with no PN on the back. They have a small RJ9 type connector. 3
> are missing one or more caps.
>
> 4 are dark on top, and beige on the back. There is no PN. These have the
> save tele
> That reminds me, I still have one or two in the garage (yes, stored in
> uncontrolled conditions). Maybe a manual as well. If anyone is
> interested, contact me off-list.
Why do these things always have a Large Body Of Water between me and them :)
Cheers
A
On 23 January 2018 at 21:38, Mark
That reminds me, I still have one or two in the garage (yes, stored in
uncontrolled conditions). Maybe a manual as well. If anyone is
interested, contact me off-list.
I'm in Austin, Texas, USA.
mcl
On 01/23/2018 09:54 AM, Aaron Jackson wrote:
1) The EMI filter had gone open-circuit - it's one of those metal can types
which is integrated with the IEC power input connector. Are these still
obtainable anywhere? It seems like equipment these days just has the
filtering directly on the PSU boa
> 1) The EMI filter had gone open-circuit - it's one of those metal can types
> which is integrated with the IEC power input connector. Are these still
> obtainable anywhere? It seems like equipment these days just has the
> filtering directly on the PSU board, rather than as a separate module. I'
Fine by me! My intent was to see the information shared. I've been helped
by the experiences others have shared here and elsewhere, so I'm glad to
return the favor. :-)
On Sun, Oct 9, 2016 at 8:55 AM, Noel Chiappa
wrote:
> > From: Ian S. King
>
> > What I want to record here for poste
> From: Ian S. King
> What I want to record here for posterity is how to open one of these
> things.
I archived this to the Computer History wiki:
http://gunkies.org/wiki/TeleVideo_TPC-1
Hope that was OK!
Noel
On Sun, Oct 2, 2016 at 8:20 PM, jim stephens wrote:
>
>
> On 10/2/2016 6:23 PM, Ian S. King wrote:
>
>> Hi all,
>>
>> I've posted looking for help with a TeleVideo TPC-1, and I've heard a lot
>> of crickets
>>
> I saw your FB posting, good job, and chirp chirp.
>
>>I've ordered an exact, tes
On 10/2/2016 6:23 PM, Ian S. King wrote:
Hi all,
I've posted looking for help with a TeleVideo TPC-1, and I've heard a lot
of crickets
I saw your FB posting, good job, and chirp chirp.
I've ordered an exact, tested/guaranteed
working replacement from ePay,
Those were common drives, but b
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