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Kaypro XT Toshiba drives having intermittent faults and not working

VCFed about 2 months ago

I have a kaypro XT with two toshiba floppy drives (see photo for label) i can find no documentation for them. the main issue is that both will intermittently not work, both at the same time i think?. when they do work drive A will read the directory but …

Can I use this power supply with Kaypro 2 (1983)?

VCFed about 3 months ago

Following this thread https://fo... learned that I can buy a Mean-Well RT-85B power supply to replace my Aztec power supply in my Kaypro 2 from 1983 (I have the Kaypro 2 th …

Downloading and copying files from a windows 10 macine onto a compact flash card for A Kaypro XT clone

VCFed about 3 months ago

Hello everyone, It has been a while but I want to play around with various programs on my "Kaypro PC" an NEC v20 XT compatible that I posted about a couple years back. I have not really done anything with it except display it. it has some minor i …

Looking for Microcornucopia PRO8CLEAN Character Generator ROM file for Kaypro Computers..

VCFed about 3 months ago

I am trying to locate the Microcornucopia PRO8CLEAN ROM file for Kaypro Computers. I already have the PRO8GREEK file. Thanks. Larry …
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RAND_READ behavior

VCFed about 3 months ago

This says that KAYPRO on CP/M 2.2 returns no_error (0) on the call to F_READRAND for record 18 so long as reocrd 18 is at the end fo the file. ... not found with CalcStart Dump vr_1.45 · …

Kaypro 4: Boschert XL53-3601R PSU: Trying to find replacement switching transistor (Q1)

VCFed about 4 months ago

When the main RIFA delayed smoke generator popped on the Kaypro 4 power supply (Boschert XL53-3601R) it took out the switching transistor, Q1, so I need to replace it. However, the only part of the transistor can with any corrosion is the part with the ty …

KayPro II CoPwr Disks in Single Sided Double Density - Do they exist anymore?

VCFed about 4 months ago

Hi All, Does anyone know of any SSDD CoPwr (8088 Coprocessor) disk images exist anywhere? The Kaypro II has Single Sided disk drives and won't take the Double Sided images. Kind Regards David …

Kaypro Damage by Local Government - is it just an Australian thing?

VCFed about 4 months ago

So there's this weird thing the government(s) do in Australia. They send someone around prior to clean-up day cutting the power cables and any other cables they can find on any old computers or electrical items you might be discarding... And that's how I …
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Exidy Sorcerer Floppy Disk Controller (Dreamdisk) Replica PCB

VCFed about 4 months ago

We have successfully designed, built and tested a replica of the Sorcerer Dreamdisk FDC here in Australia. It based around a WD2793 FDC chip. It booted successfully from a Gotek using an 80 Track DS/DD 720K .DSK Image. The DreamBIOS CPM 2.2 uses ZCPR 1.6 …
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Anyone know what kind of daughterboard is on this Kaypro?

VCFed about 4 months ago

Saw it on evilbay... Couldn't find anything else on it and was curious, There's an interface shim under the z80 and a side board to the left. …

Yet another Kaypro question

VCFed about 4 months ago

After successfully installing my Gotek floppy emulator I loaded cpm onto the thumb drive and everything booted fine however I noticed that the floppy images had CP/M as well as games and other files.. I was wondering if anyone knew how to merge CP/M images …

Connecting to BBS on Kaypro 10

VCFed about 4 months ago

Just the other day I got my kaypro 10 up and running with a Gotek floppy emulator and was wondering if there was any way to connect to a bbs I have a Retromodem V3 on the way and was wondering what else I would need to make this happen I'm assuming I need …

Problems with Kaypro 10

VCFed about 4 months ago

So recently I got a Kaypro 10 and I have had multiple issues with it The first is the hard drive controller had all the ribbons disconnected it was like this when I opened it and if someone else has a picture of the proper way to connect everything to it …

So many capacitor options?

VCFed about 4 months ago

I'm beginning my journey into vintage computer/electronics repair, so please don't flame me for the uninformed question. I'm attempting to repair a Kaypro 16. The switching power supply (a California DC LR5401-04) blew a RIFA (PME271M622). I can easily fi …

Kaypro 2X boot disks

VCFed about 5 months ago

I have a Kaypro 2x I am trying to gt running but I am confused with ROM versions and which CP/m version to use. The machine says 2X on the side. It has the modem, RTC, 2 double sided 1/2 height drives. Seems like it wants to boot. The motherboard is 81-184 …

Apple II and IIe power supply RIFA replacements

Apple Fritter about 5 months ago

Merry Christmas all:Perhaps the community can help me out here.I am in the processe of replacing RIFA caps on a Kaypro power aupply.  Since I am ordering the replacements from Mouser, I though I would maximize my shipping expense and get replacement caps …

greaseweazle floppy format for kaypro 2x?

VCFed about 6 months ago

i'm having trouble getting some floppies written for my 2x and i can't figure out if my image is bad, if i am using the wrong drive, or something else. i have an IBM 4869 that i believe to be 360kb, and a greaseweazle on the latest firmware. the blank disk …

Hello and advice where to start?

VCFed about 6 months ago

I started my passion and career in technology with a TI-99/4A and then moved through the Apple ecosystem with an Apple IIe and Apple IIc. From there I headed into the world of IBM and clones (and have been there ever since). I've enjoyed watching retro com …

Kaypro keyborders

VCFed about 6 months ago

hey all, bit of an odd question but the kaypro systems i bought a while ago came with these lovely little laminated outlines you could stick on the outside of the keyboard- unfortunately the wordstar one i got was damaged, and so i am wondering if anyone h …
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Kaypro II Keybaord

Apple Fritter about 6 months ago

Greetings friends;I hope someone might be able to help me out. I am trying to find the schematic to a Kaypro II keyboard. I have done a lot of searching online, including some threads here, but no luck.There were a few variations of keyboard PCBs and I am …

Kaypro II Keyboard Schematic

VCFed about 6 months ago

Greetings friends: I hope someone might be able to help me out. I am trying to find the schematic to a Kaypro II keyboard. I have done a lot of searching online, including some threads here, but no luck. There were a few variations of keyboard PCBs and I …

Making Your Own Kaypro Replacement Parts

VCFed about 6 months ago

This thread will complement the Where to get Kaypro Replacement Parts thread. It will show how to make parts that aren't available or as an alternative to buying the part when you have the necessary components on hand or are able to acquire them faster or …
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New Releases • Free Release - Tristam Island by Hugo Labrannded just Updated Minimum Price to $0.00

Lemon64 about 6 months ago

https://hlabrande.itch.io/... Author:After crashing your plane at sea, you end up drifting to a small island, with not much to survive. You explore, and find out the island was inhabited, years ago. But why did the people leave? And why is th …

Weird characters in kaypro II boot

VCFed about 6 months ago

Hi, I have some when I boot my kaypro II. As you can see in the picture, there are odd characters in the boot screen. I can't boot the kaypro by the way. I've double checked the character rom 81-146 and the monitor rom 81-149c with the ones from Internet s …

Kaypro 2X boot problem Oki drives

VCFed about 7 months ago

Hi folks, I have an issue with a computer that I'm revising. It's a Kaypro 2X, with a ROM version 81-478A and motherboard ASSY 81-581. It comes with two DSDD floppys OKI GM3305 HU. I couldn't find anything about these disk drives in the Internet, by the w …