[cctalk] Re: IBM RT Graphics

2023-06-08 Thread emanuel stiebler via cctalk
On 2023-06-08 08:20, Santo Nucifora wrote: Looking back, I did buy one from Digikey but it was not the right one. I bought mine from this ebay auction: https://www.ebay.com/itm/171649843131   Specifically, the "D-SUB 3W3 Male" item.  I did not install th

[cctalk] Re: IBM RT Graphics

2023-06-08 Thread Paul Koning via cctalk
> On Jun 8, 2023, at 12:06 PM, Jonathan Stone via cctalk > wrote: > > On Thursday, June 8, 2023 at 05:20:28 AM PDT, Santo Nucifora via cctalk > wrote: > >> I bought mine from this ebay auction: https://www.ebay.com/itm/171649843131 >> Specifically, the "D-SUB 3W3 Male" item. > > [...] >

[cctalk] Re: IBM RT Graphics

2023-06-08 Thread Jon Elson via cctalk
On 6/8/23 11:06, Jonathan Stone via cctalk wrote: On Thursday, June 8, 2023 at 05:20:28 AM PDT, Santo Nucifora via cctalk wrote: I bought mine from this ebay auction:https://www.ebay.com/itm/171649843131 Specifically, the "D-SUB 3W3 Male" item. [...] Note these are 50 Ohm impedance. I alw

[cctalk] Re: IBM RT Graphics

2023-06-08 Thread Jonathan Stone via cctalk
On Thursday, June 8, 2023 at 05:20:28 AM PDT, Santo Nucifora via cctalk wrote: > I bought mine from this ebay auction:  https://www.ebay.com/itm/171649843131 >Specifically, the "D-SUB 3W3 Male" item.  [...] Note these are 50 Ohm impedance. I always assumed the OEM originals were 75 Ohm. I've

[cctalk] Re: IBM RT Graphics

2023-06-08 Thread Santo Nucifora via cctalk
Looking back, I did buy one from Digikey but it was not the right one. I bought mine from this ebay auction: https://www.ebay.com/itm/171649843131 Specifically, the "D-SUB 3W3 Male" item. I did not install the three metal coax covers that come with it. The end looks like this: https://vintageco

[cctalk] Re: IBM RT Graphics

2023-06-08 Thread emanuel stiebler via cctalk
On 2023-06-08 06:12, Santo Nucifora via cctalk wrote: I got the 3W3 connector and parts from Digikey. Here's what that looks like: https://vintagecomputer.ca/wp-content/uploads/2023/06/IBM_RT_3W3_RGB-rotated.jpg Please forgive the crude construction. I didn't think it would work but it did.

[cctalk] Re: IBM RT Graphics

2023-06-08 Thread Santo Nucifora via cctalk
On Wed, Jun 7, 2023 at 2:26 PM Jonathan Katz via cctalk < cctalk@classiccmp.org> wrote: > I have an IBM 6152 aka IBM RT system I rescued. (It may be a 6151?) > I'm 90% sure it has colour graphics. The system does seem to POST > correctly (according to the LED on the front) but the CRT is dead. I'm

[cctalk] Re: IBM RT Graphics

2023-06-07 Thread Glen Slick via cctalk
On Wed, Jun 7, 2023 at 11:54 AM r.stricklin via cctalk wrote: > > > On Jun 7, 2023, at 11:26 AM, Jonathan Katz via cctalk > > wrote: > > > > Hello! > > > > I have an IBM 6152 aka IBM RT system I rescued. (It may be a 6151?) > > You have a 6151, the 6152 has VGA graphics (is built inside a PS/2 M

[cctalk] Re: IBM RT Graphics

2023-06-07 Thread r.stricklin via cctalk
> On Jun 7, 2023, at 11:26 AM, Jonathan Katz via cctalk > wrote: > > Hello! > > I have an IBM 6152 aka IBM RT system I rescued. (It may be a 6151?) You have a 6151, the 6152 has VGA graphics (is built inside a PS/2 Model 60) > I'm 90% sure it has colour graphics. The system does seem to PO

[cctalk] Re: IBM RT Graphics

2023-06-07 Thread Mike Katz via cctalk
I know that VGA used analog signals and sync rather than digital signals. On 6/7/2023 1:44 PM, Will Cooke via cctalk wrote: On 06/07/2023 1:26 PM CDT Jonathan Katz via cctalk wrote: Hello! I have an IBM 6152 aka IBM RT system I rescued. (It may be a 6151?) I'm 90% sure it has colour graph

[cctalk] Re: IBM RT Graphics

2023-06-07 Thread Will Cooke via cctalk
> On 06/07/2023 1:26 PM CDT Jonathan Katz via cctalk > wrote: > > > Hello! > > I have an IBM 6152 aka IBM RT system I rescued. (It may be a 6151?) > I'm 90% sure it has colour graphics. The system does seem to POST > correctly (according to the LED on the front) but the CRT is dead. I'm > w