View Profile: TheDrip - Vintage Computer Forum

Today, 07:55 AM

TheDrip replied to a thread FREESP - Eliminate Long Initial Delay of DIR on XT Class Machines w/Large Disks in Vintage Computer Software

I have been running this since the 19th, no glitches, no failure to report correct free space.... and no waiting 45 seconds after a DIR command! ...

5 replies | 113 view(s)

January 20th, 2021, 07:43 PM

TheDrip started a thread 5160 + keyboard + monitor on Goodwill in Vintage Computer Auctions

Obviously not mine. Only $25 shipping lets you spend an extra $50-100 on the machine vs ebay prices https://www.shopgoodwill.com/Item/113575299

0 replies | 46 view(s)

January 19th, 2021, 04:10 PM

TheDrip replied to a thread IBM 5154 Troubleshooting in PCs and Clones

I identified a 'only when cold' issue on another system by spraying each component with an upside down can of canned air. Maybe not the best for an...

176 replies | 32684 view(s)

January 19th, 2021, 03:27 PM

TheDrip replied to a thread FREESP - Eliminate Long Initial Delay of DIR on XT Class Machines w/Large Disks in Vintage Computer Software

Now that I've worked around that issue, FREESP.COM works great. I'm looking forward to the TSR version, more so if it can be loaded high. Can't...

5 replies | 113 view(s)

January 19th, 2021, 03:15 PM

TheDrip replied to a thread FREESP - Eliminate Long Initial Delay of DIR on XT Class Machines w/Large Disks in Vintage Computer Software

Fun fact of the day, the version of TLINK on my 8088 machine is too new to actually run on the real hardware. I guess I've always assembled and...

5 replies | 113 view(s)

January 19th, 2021, 02:48 PM

TheDrip replied to a thread FREESP - Eliminate Long Initial Delay of DIR on XT Class Machines w/Large Disks in Vintage Computer Software

Keep working on this. A small TSR will really help those of us with large CF drives on 8088 systems!

5 replies | 113 view(s)

January 18th, 2021, 10:16 AM

TheDrip replied to a thread Cybernex computer model MDL-125 with keyboard (Sep. 1981) in Vintage Computer Auctions

I found other products and parts from Cybernex, all terminals.

2 replies | 174 view(s)

January 18th, 2021, 08:05 AM

TheDrip replied to a thread OEMs & clones on eBay (continuous listings) in Vintage Computer Auctions

Then it did go to a VCF member. Not me, but definitely a member.

471 replies | 82560 view(s)

January 17th, 2021, 01:24 PM

TheDrip replied to a thread OEMs & clones on eBay (continuous listings) in Vintage Computer Auctions

If anyone is keeping track, that Model 25 with the 286 upgrade board went for $660 + shipping (would ave been about $100 to me).

471 replies | 82560 view(s)

January 16th, 2021, 08:49 PM

TheDrip replied to a thread 4D / 4P CRT card in M3/M4 in Tandy/Radio Shack

Here is the link to "TRS8BIT - volume 06 Issue 02 - June 2012" which has Ian's article on TRS-80 CRTs and controllers. ...

1 replies | 78 view(s)

January 16th, 2021, 08:30 PM

TheDrip started a thread 4D / 4P CRT card in M3/M4 in Tandy/Radio Shack

A little information, buried in my Model 4 thread. We know there are 3 CRT card designed used in the M3 / M4 / 4D /4P. First is the analog card...

1 replies | 78 view(s)

January 16th, 2021, 04:45 PM

TheDrip replied to a thread TRS Model 3 power cord replacement in Vintage Computer Hardware

Any of the above. There is a replacement power panel available which has an IEC inlet for a standard power cord as well. Jay Newirth (Newsoft)...

4 replies | 53 view(s)

January 16th, 2021, 04:35 PM

TheDrip replied to a thread Model 4 S/N 14897 in Tandy/Radio Shack

A step forward again. Swapping the cases is relatively easy. The CRT card harness from the 4D which must be used with the 4D CRT card has a...

24 replies | 1264 view(s)

January 15th, 2021, 08:09 AM

TheDrip replied to a thread Tandy dmp-300 malfunction in Tandy/Radio Shack

It would help greatly if we knew your location. Keep in mind this is a very multinational forum so finding semi local help is easier if we know where...

1 replies | 47 view(s)

January 14th, 2021, 07:06 PM

TheDrip replied to a thread Model 4 S/N 14897 in Tandy/Radio Shack

After a little fighting, and reading, and fighting and tracing wires.... the 4D/4P have the two pots for brightness and contrast wired slightly...

24 replies | 1264 view(s)

January 14th, 2021, 02:43 PM

TheDrip replied to a thread Adding a CF card slot to a 5170 without wasting an expansion card bay? in PCs and Clones

Back to the OP's questions ... The battery slot would make a great place to keep the CF card, and "mangling" a card bracket would be a neat and...

27 replies | 680 view(s)

January 13th, 2021, 02:49 PM

TheDrip replied to a thread TRS-80 Model II/12/16/16b/6000 Expansion Card Protoboards. in Tandy/Radio Shack

Is there a common address/IO decoding circuit that would be used on most boards? Maybe something for Rev B (Not V2, the card plainly says Rev A). ...

7 replies | 297 view(s)

January 13th, 2021, 09:00 AM

TheDrip replied to a thread Is hard disk failure because of HDD 0 having 2 partitions and HDD 1 having 1: 2+1=3? in Vintage Computer Hardware

SpeedStor, not Speed Store. http://www.minuszerodegrees.net/software/speedstor.htm

14 replies | 318 view(s)

January 13th, 2021, 08:47 AM

TheDrip replied to a thread OEMs & clones on eBay (continuous listings) in Vintage Computer Auctions

I was the 2nd bidder, but its not exactly what I want in a Model 25 and I'm sure the 286 upgrade card will take the price way past what is...

471 replies | 82560 view(s)

January 12th, 2021, 08:23 PM

TheDrip replied to a thread Model 4 S/N 14897 in Tandy/Radio Shack

I knew I read that somewhere. The pinout from the 3/4 board to the 4D/4P board changes. All I need to do is repin. I hope.

24 replies | 1264 view(s)

January 12th, 2021, 07:14 PM

TheDrip replied to a thread Model 4 S/N 14897 in Tandy/Radio Shack

Next problem..... cleaned the top enough that my wife allowed it in the house. Plugged into my 4 and.... very bright raster. brightness/contrast...

24 replies | 1264 view(s)

January 12th, 2021, 05:03 PM

TheDrip replied to a thread Model 4 S/N 14897 in Tandy/Radio Shack

Parts are here. 4D case, TEC drives, CRT card and Green CRT. Survived the trip, definitely been on a shelf for years, as described!

24 replies | 1264 view(s)

January 12th, 2021, 03:19 PM

TheDrip replied to a thread Problem with Expansion Interface in Tandy/Radio Shack

What would be at 3E00 ? Is that one of the FreHD ROMS, or is that a ROM onboard the EI I know nothing about Model 1's, just recognized the 15872...

4 replies | 143 view(s)

January 11th, 2021, 04:38 PM

TheDrip replied to a thread Can anybody help identify this 80s machine? in Other

Any chance it was a Merlin? Doesn't exactly match your descriptions but they were pretty ubiquitous in the early 80s.

3 replies | 181 view(s)

January 10th, 2021, 06:59 PM

TheDrip replied to a thread On to the next problem: Model 4 FDC issues in Tandy/Radio Shack

Have you cleaned the head and relived the slider yet? Simplest solution first.

14 replies | 391 view(s)

January 10th, 2021, 11:27 AM

TheDrip replied to a thread Bought some random stuff in General Vintage Computer Discussions

28 pins populated, so a single db-25 wouldn't have sufficed. Maybe the other box with the db25 + db15 and a very creative cable?

14 replies | 456 view(s)

January 10th, 2021, 11:03 AM

TheDrip replied to a thread Bought some random stuff in General Vintage Computer Discussions

Sure enough, that connector looks like a d-sub 51. That is a thing according to Google but I've never heard of it before. Mouser still sells them....

14 replies | 456 view(s)

January 10th, 2021, 10:42 AM

TheDrip replied to a thread Model 4 video problem in Tandy/Radio Shack

Glad to hear it's fixed, that would explain why the pot wasnt having an effect

9 replies | 296 view(s)

January 9th, 2021, 05:00 PM

TheDrip replied to a thread Model 4 S/N 14897 in Tandy/Radio Shack

Well that sort of worked. Replacing IC201 AN5763 V-Process has solved the vsync changing issue. VSync is now rock solid no matter how long the...

24 replies | 1264 view(s)

January 9th, 2021, 03:47 PM

TheDrip replied to a thread Model 4 video problem in Tandy/Radio Shack

I believe this is the adjustment you're looking for, called HPHASE. When the card is mounted, that is the adjustment pot closest to the back of...

9 replies | 296 view(s)

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