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I fail to see what's strange about software from the 90's requiring a 386, sorry... And it has nothing to do with the subject of this thread.

wow, super work.

Absolutely Larry On both serial SIOA and SIOB Maybe a flat cable between Terminal and Systemaster ?

Should work just fine. But using the diagram above to verify the pin out is not a bad idea.

Patrick are you 100% sure that the Teletek has -12 Volts on Pins 5, 6, and 8 with Pin 7 as the GROUND Pin? I'm assuming a DB-25 Connector. Larry

At the moment I'm just trying to get the 5150 working with the AT psu outside the case till I buy a 5150 psu

I'll try checking tomorrow

Hi Larry I mesure all the RS232 pins SYSTEMASTER TATUNG 2 0 -12 3 -12 ...

I was curious and took a look to see what I could find for PCI SAS host adapters. I didn't find any that were plain PCI instead of PCI-X. For...

It´s even getting worse. Tried again today but dont get the nice sweeps as yesterday anymore. The trigger signal at Pin 20 (Top of the screen) is...

Yes, the diode is installed correctly. I have a good signal on both sides of the 914 diode. However, I am receiving a High on pin 6 of B2, instead of...

Yeah, excellent 'Linear Supplies 101' from Dwight. Maybe just my own experience but unlike modern small caps I've never seen goo coming out of one...

Have isolated my problem to the SMC CRT8002-005. Substituted with a known working unit from another Eagle II and all is well. Wa getting sync signals...

What is the exact model of this 8-bit ISA mysterious programmer that requires 386 or higher CPU?

The EPROM programmer card didn't have a BIOS. But the software supplied was for 386 and newer. With a separate version for "fast" 486 systems.

Patrick, One problem I see immediately is the Teletek Serial Port(s) are connected as DCE, not DTE. So, your wiring is likely incorrect. You need...

Which 286 instructions are their BIOS extensions using? I know of no such 8-bit ISA card. What is the exact model of your programmer?

Yes, that is safe to assume... Thanks, Corey

Ok, 4K BASIC v4.0 it is. Is it safe to assume the console and load ports are always going to appear to software as an 88-SIO at 0/1 and an 88-SIO...

If it's really heavy--LtoL and palletized. Less likely to get damaged or have heavy stuff piled on it. Some packaging stores negotiate their own...

4K 4.0 is good. Thanks, Corey

A real AT (5170) power supply still supplies -5v. However, make sure that your P8, pin 2 is either NC or connected to the +5 rail. Courtesy of MZD:

Thanks, I'll check out parcelmonkey.

If you're using a PSU with the same form factor as the one in the 5170, I don't think it will fit in the case properly.

Now that is a beautiful piece of hardware. If only I had a 1000HX or 1000EX. Looks amazing.

Let me know for sure which BASIC you want me to mod since the work isn't easily transferable between them. If 4K BASIC, do you want v3.2 or v4.0? Is...

Over 100 lbs sounds like you need to ship freight in a wooden box.