View Profile: firebirdta84 - Vintage Computer Forum

Today, 05:56 PM

glitch replied to a thread DEC Vaxstation 3100/30 in DEC

Yikes, $45USD for a MMJ->DE9! I don't think I've ever paid more than Pacific's price ($6USD) and most of mine are originals bought in the last 5...

11 replies | 179 view(s)

Today, 05:13 PM

firebirdta84 replied to a thread QIC DC600A tapes with broken drive belts in General Vintage Computer Discussions

Yes, unfortunately so. I've recorded several YouTube videos about using these 6-inch bands, and trying smaller ones just for testing. ...

25 replies | 2155 view(s)

Today, 04:59 PM

firebirdta84 replied to a thread Convergent Technologies Miniframe on eBay in Vintage Computer Auctions

Oh, yes, thank you, smbaker! MightyFrame guy here.... I certainly saw that one! And I laughed about it for a solid day. What is he thinking?? ...

3 replies | 169 view(s)

January 22nd, 2021, 07:04 PM

glitch replied to a thread DEC Vaxstation 3100/30 in DEC

You should be able to use it with a serial terminal (or terminal emulator on a PC, modern or old) and a MMJ to DE9 or DB25 adapter. That's how I run...

11 replies | 179 view(s)

January 17th, 2021, 03:16 PM

glitch replied to a thread IBM 5160 ? about XT-IDE in PCs and Clones

That's pretty much why we've stuck with more expensive 8K EEPROMs for the Glitch Works boards, there are *lots* of times when you can't really fit a...

11 replies | 463 view(s)

January 17th, 2021, 06:15 AM

glitch replied to a thread Fun with New AIM-65 in Vintage Computer Hardware

Good stuff! I believe you *have* a 2114 RAM tester now, though :p

6 replies | 151 view(s)

January 13th, 2021, 06:58 AM

glitch replied to a thread SCA-80 Female to IDC-50 Male Adapter Design in Vintage Computer Hardware

Yeah, I typically grab them off eBay when I need them. Someone always has some NOS in retail packaging, and of course used ones are usually around...

3 replies | 93 view(s)

January 12th, 2021, 04:45 PM

glitch replied to a thread No Name Computers CPU-Z80-IEEE Info in S-100

Thanks Herb! I didn't realize there was a non-corrupted version of the document in the ZIP archive! I assumed it was the same as the contents of the...

6 replies | 1446 view(s)

January 11th, 2021, 05:28 AM

glitch replied to a thread Battery problem w/ Dallas DS1287 in Later PCs

You're not kidding! We adjust most of our older equipment in-house, just because it's so difficult to find a calibration shop that does good work...

24 replies | 844 view(s)

January 11th, 2021, 04:47 AM

glitch replied to a thread Battery problem w/ Dallas DS1287 in Later PCs

Funny how often Internet experts are *certain* something won't work without having tried it for themselves, eh? :p "But it simulates that way!" ...

24 replies | 844 view(s)

January 10th, 2021, 04:06 PM

glitch replied to a thread Battery problem w/ Dallas DS1287 in Later PCs

No definite timeline, I PMed you about getting a prototype version though. Heh, I laid out the GW-1225-1 due to having a piece of test...

24 replies | 844 view(s)

January 9th, 2021, 03:31 PM

glitch replied to a thread Battery problem w/ Dallas DS1287 in Later PCs

DIP packages, a DIP package DS1285 is what's inside a DS1287. They were available for a while. I have a very small stock of NOS DS1285s in DIP for...

24 replies | 844 view(s)

January 9th, 2021, 11:42 AM

glitch replied to a thread Battery problem w/ Dallas DS1287 in Later PCs

There's two pins on each side, and they're not folded over, they're in castellated holes. We epoxy the circuit board to the DS1285/DS12885 before...

24 replies | 844 view(s)

January 9th, 2021, 10:47 AM

glitch replied to a thread Battery problem w/ Dallas DS1287 in Later PCs

Yeah, if it doesn't work with a 12885, a 12887 definitely won't do it -- there's a 12885 inside every 12887. I don't agree either, see below....

24 replies | 844 view(s)

January 9th, 2021, 06:25 AM

glitch replied to a thread Battery problem w/ Dallas DS1287 in Later PCs

On the motherboards I've seen with a Dallas module and a battery header, there was support circuitry around the Dallas module that looked like it...

24 replies | 844 view(s)

January 4th, 2021, 07:09 AM

glitch replied to a thread IMSAI 8080 / RAM17 / NorthStar / VSG / 88-2SIO and CP/M in S-100

Excellent, glad that took care of it!

8 replies | 422 view(s)

January 3rd, 2021, 05:42 PM

glitch replied to a thread No Name Computers CPU-Z80-IEEE Info in S-100

Only took 9.5 years to get to this project, not bad, eh? :p The NNC CPU-Z80-IEEE is definitely not Vector Graphic design. "It's all VG" is what...

6 replies | 1446 view(s)

January 3rd, 2021, 01:34 PM

glitch replied to a thread IMSAI 8080 / RAM17 / NorthStar / VSG / 88-2SIO and CP/M in S-100

I didn't realize you have a RAM17 -- I still have your RAM16, haven't finished wire wrapping a replacement for it. The RAM17 is an IEEE-696 board...

8 replies | 422 view(s)

January 3rd, 2021, 01:27 PM

glitch replied to a thread Depinning a crimp-type D-Sub in Vintage Computer Hardware

I keep the tools for removing from the back, it works with both male and female pins. I don't think I have the push-it-out-from-the-front for female,...

12 replies | 348 view(s)

January 3rd, 2021, 06:07 AM

glitch replied to a thread P100 motherboard Dallas DS12887A battery replacement in Pentium (First generation)

That's for sure. You're pretty much throwing money away if you buy them from eBay/AliExpress/Amazon/etc. I thought I could buy a bunch of MK48Z02...

13 replies | 1102 view(s)

January 3rd, 2021, 06:02 AM

glitch replied to a thread .ASM 8080 file for 8k BASIC where to find ? in Vintage Computer Software

Excellent! Glad to hear it was easy to get going :)

21 replies | 1012 view(s)

December 30th, 2020, 05:51 PM

glitch replied to a thread .ASM 8080 file for 8k BASIC where to find ? in Vintage Computer Software

Yep, something like that would be easily modified to the task!

21 replies | 1012 view(s)

December 30th, 2020, 01:43 PM

glitch replied to a thread S-100 back-plane edge card connector in Vintage Computer Items Wanted

The description says 0.1" pitch, S-100 is 0.125" (1/8") so these won't work if the description is accurate.

2 replies | 146 view(s)

December 30th, 2020, 01:39 PM

glitch replied to a thread .ASM 8080 file for 8k BASIC where to find ? in Vintage Computer Software

Sure, a ROM mover is just a program that moves a block of memory from ROM to RAM. Since you'd be moving BASIC only and it's a fixed size, with fixed...

21 replies | 1012 view(s)

December 30th, 2020, 09:22 AM

glitch replied to a thread .ASM 8080 file for 8k BASIC where to find ? in Vintage Computer Software

Do you *have* RAM at 0x0000? If so you can just ROM the BASIC as-is (patched for your I/O, of course) and write a mover program, which can also be...

21 replies | 1012 view(s)

December 29th, 2020, 10:19 AM

glitch replied to a thread .ASM 8080 file for 8k BASIC where to find ? in Vintage Computer Software

There's an 8080 version of MITS 4K BASIC out there, but again it's a MITS derivative. I believe MITS did provide instructions for ROMing some of...

21 replies | 1012 view(s)

December 29th, 2020, 06:31 AM

glitch replied to a thread .ASM 8080 file for 8k BASIC where to find ? in Vintage Computer Software

You may have to move part of the code down into 0x0000, at least with Microsoft BASIC and relatives, there's stuff down at 0x0000 that has to be...

21 replies | 1012 view(s)

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