Included tags: 8086 ×
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VTech laser Turbo XT 8086

VCFed about 2 months ago

Hello, For many years I do have a VTech laser Turbo XT, which I would love to repair. The PC did worked fine. For many years every now and then I booted the system. (Only twice a tantalum from a card was blown, but that was an relatively easy fix) But.. …
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Seattle Computer Products 8086 Monitor Collection

VCFed about 3 months ago

I have created a collection of all known versions of SCP's 8086 Monitor ROM. Versions 1.4 to 1.6 are intended for the SCP CPU support board model 300F, while version 1.9 is designed for model 301A. Both the source code and binary files are included for all …
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Seattle Computer Products manual scans...

VCFed about 3 months ago

I got a very nice All-SCP S-100 system yesterday and I got the manuals scanned and uploaded today. MS-DOS 2.00 Programmer's Guide: ... 2.00 Programmer's Manuals : Seattle Computer …

C8087-11?

VCFed about 4 months ago

I recently got hold of this little thing, but I can't find any mention of a "8087-11" anywhere on the internet. Does anyone know any more details on what specs this might operate with? The module itself is for adding an 8087 to a machine with ju …

Seattle Computer Products 8086 S-100 System (Complete)

VCFed about 4 months ago

Complete Seattle Computer Products 8086 S-100 system (see link for pics): S-100 Cards (Manufacturer: all cards made by Seattle Computer Products, verified original by Tim Patterson) - SCP-210 CPU Board (Intel 8086 based) - SCP-301 CPU Support Board - SCP- …

86-DOS / QDOS version 0.1c disk image posted on archive.org!

VCFed about 4 months ago

This is until now the oldes known version of 86-DOS / QDOS, download here (Serial number 11!). But the image is 8 inch 250 kb so I don't think you get it to run on an IBM compatible PC. Other versions of 86-DOS: 0.34 klick klick 1.0 klick and extracted …

[yt] Video showing a deep dive into the earliest to date copy of 86-DOS 0.11.

VCFed about 5 months ago

This video gives an in-depth look at what is currently the oldest known copy of 86-DOS, the antecedent to #MSDOS aka #PCDOS, where we go through the process of moving from CP/M, translating Z80 to 8086 code, and assembling it. Since this DOS predates the I …
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Greetings from near Philly, PA

VCFed about 5 months ago

Greetings I'm a new VCFD member having signed up as I work on building a C128 system to relive my fun as a kid when I had a C64 setup. These days my primary machine is a Windows laptop but over the years, between myself & my brother, we went throu …

Help identifying PS/2 board

VCFed about 5 months ago

Hi all, In my PS/2 model 30 8086 (ISA) I found this board. It's not serial or parallel - at least CheckIt doesn't see any additional serial or parallel ports - and there is nothing on it to say what it could be. Any ideas? Thanks! …

Compaq LTE 8086 repairs

VCFed about 7 months ago

Hello I am currently in the process of repairing a LTE 286 and the damage is almost catastrophic: Stuck HDD bearing, stuck HDD arm, broken floppy belt, misaligned floppy head (after replacing the belt), faults (due to corrosion): no working backlight, no …
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serial parallel floppy controller from 8086

VCFed about 7 months ago

hi Im trying to get this card to work on a 1.44 drive , its currently working on a 1.2 floppy drive , I presume the jumpers on the top left need to be changed , can someone help me identify this card and or get it configured. thanks …

Book 8088 ISA expansion Adapter as A regular expansion for systems with riser boards?

VCFed about 7 months ago

Sorry this is a revisit of an older post I made recently... but I think now this is a bit more direct, now that I have something in my hand. No other MFG I talked to would help me out that were recommended in the old post. Sooo...... I am working with …

Use a 5.25" HD floppy to emulate a Tandon TM100-4?

VCFed about 7 months ago

I have a NABU 1600 8086 based computer that should utilize a Tandon TM100-4 drive. It runs CP/M 86 and QNX and I have disk images from Dave Dunfield's site. This computer doesn't have the mass storage unit (including the floppy drive) so is it easy to emu …

Computer? Identification?

VCFed about 8 months ago

Recent Acquired this machine from a thrift store. I don't know if this is an computer or not. It has an Intel 8086 inside, it looks to have RAM, but it also has other components too. On the back, there is 7 proprietary looking ports, and no out for keyboa …
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My Compaq Deskpro 8086..

VCFed about 8 months ago

Ok here is my Compaq deskpro 8086.. let me start by saying l am a newbie to this forum so I hope I am starting this thread correctly. Before I ask my questions I'm going to up load so pictures …

IBM PS2 Model 30 - 8086 - XT-CF-lite boot issues.

VCFed about 8 months ago

Greetings. I have A two IBM Model 30 systems. Both have NEC V30 CPU upgrade,8900D video card, CH375 ISA>USB Card and the GoTek Flash Floppy setup. I have the PS2XT2SD in one system for weeks which has worked great. I have another one coming but for …

I need help burning code into Intel 8086-2.

VCFed about 9 months ago

Hello, I'm very new in this business. I have an Intel 8086-2 and a USBASP programmer (which won't work as far as I have heard). I have a project to complete. All of my code is written in ASM language. Now I need to insert the hex or bin, whatever file is i …
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How the DP 2200 architecture motivated the Intel instruction set (righto.com)

Retro Computing Forum about 9 months ago

The Intel 8008 and subsequently the Intel 8086 line of microprocessors feature some rather peculiar design decisions. Ken Shirriff wrote a very informative article on how this was specifically motivated by the architecture of the Datapoint 220 …

IBM Model 30 - 8530-021 - Upgrade help...

VCFed about 10 months ago

I got an IBM Model 30 from A friend who was cleaning out his parents house to sell. This would be the 8086 model. It was his when we were kids. It is in mostly mint condition. Hardly any dust or anything. Only issue I can tell right now, is hard drive …

Model 30 8086

VCFed about 10 months ago

Some time ago I received a 30-8086 with 30 MB ESDI HDD and FDD. It recognized the FDD but wouldn't read or boot from it nor wouldn't it format a floppy. I then received another floppy, same problem. I bought another board, same problem. Together with the 3 …
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CP/M-80 binaries on V20 with PDOS/86-V20

VCFed about 10 months ago

Hi. I just bought one of these NEW laptops that apparently contain a V20 chip: ... Expansion 640KB 8088 4.77MHZ 640KB Vintage Computer DOS Win Ver 3.0 | eBay Find many gr …

IBM PS/2 Model 25 blurry screen

VCFed about 10 months ago

I just picked up an IBM model 25 8086 color all-in-one PC but unfortunately, after getting it home the image is blurry almost beyond being able to read it. The seller did claim to test it and even take pictures just a few weeks ago and the image looked ver …

PC Emulation • UniPCemu issues running ReactOS

Vogons about 10 months ago

I'm having issues running the latest ReactOS image inside UniPCemu (i440fx just improved with a lot of extra and improved support for PCI etc.):Kernel log of ReactOS dumped through serial output connected to putty through another UniPCemu (using a TCP con …

Chips Galore! EPROMs from 2716 to 27512 ...

VCFed about 11 months ago

Hi, IF I had this stash back in 1975 I still couldn't have used them all by now ... Make me an offer if you need some chips ... I'll post this on the S100Google Group site too I have qty. TYPE ??? 2716 EPROMs ??? 2732 EPROMs 202 2 …

Software • CBMSimpleIO for DOS? Also: DOS C calling conventions?

Vogons about 11 months ago

Hi! I have a library for the cc65 compiler called CBMSimpleIO. cc65 is a C compiler that runs on modern computers but targets some 8-bit computers. CBMSimpleIO is a replacement for some of standard C's text I/O functions such as printf() that is much m …