View Profile: glitch - Vintage Computer Forum

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 | 415 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 | 136 view(s)

January 15th, 2021, 10:41 PM

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

Got a couple of boards that use the Dallas RTC chips, but 1 is undergoing repairs still and the other is a board I got close to a month ago uses one,...

13 replies | 1072 view(s)

January 15th, 2021, 10:38 PM

retro-pc_user replied to a thread How to set up CR-ROM drive with a Sound Blaster 16? in Vintage Computer Hardware

Agreed. The Panasonic used L G R G for their drives back then (changed the order for my CR-563-B drive and sound card and others used another layout....

5 replies | 119 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 | 75 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 | 1425 view(s)

January 12th, 2021, 02:23 PM

retro-pc_user replied to a thread Sound cards: Brands and compatibility in Vintage Computer Hardware

I do agree with that with the noise issues. It could be an amplifier issue.

15 replies | 617 view(s)

January 12th, 2021, 01:31 AM

retro-pc_user replied to a thread Sound cards: Brands and compatibility in Vintage Computer Hardware

Got a few different cards in many computers: My AMS, Austin, and Toshiba Satellite Pro 410CDT laptops have the ESS AudioDrive ES688F + YMF-262M...

15 replies | 617 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 | 795 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 | 795 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 | 795 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 | 795 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 | 795 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 | 795 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 | 795 view(s)

January 7th, 2021, 06:13 PM

retro-pc_user replied to a thread 26 Pin Floppy Drives in Later PCs

My Austin and AMS laptops use the same thing, but only Citizen W1D floppy drives are accepted.

10 replies | 429 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 | 410 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 | 1425 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 | 410 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 | 334 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 | 1072 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 | 957 view(s)

January 1st, 2021, 09:17 PM

retro-pc_user replied to a thread DFI K6BV3+/66 Motherboard in Vintage Computer Items For Sale or Trade

I'm interested in the board.

2 replies | 276 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 | 957 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 | 144 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 | 957 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 | 957 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 | 957 view(s)