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Sonic Fan Creates Devious 'Desert Bus' Mod For Sonic Frontiers

Time Extension about 2 months ago

A mod for the masochists among you!A Sonic modder named Weezley has just released a devious new mod called Desert Bus Frontiers, which recreates the infamous joke game Desert Bus inside of the PC version of Sonic FrontiersOriginally conceived as a joke min …
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Hardware hacks and extensions • CUmini - my Oric storage emulation project

Defence Force about 2 months ago

As I hit a milestone this week, I thought it would be an appropriate time to share my little Oric project: Working title «CUmini» - my take on emulated storage expansion for the Orics. When I stumbled into the Oric universe laste last year while helpin …
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Design for a 3.3v IOU replacement

Apple Fritter about 2 months ago

I am designing the 3.3v version of a replacement for the IOU. Once it's done and I know it works, I'd like to add it to my open source IOU/MMU as a 'reference implemenation'. However, I'm just a hobbyist hardware designer, and probably not a very good one …

Bus Loads M8320: Replacement for diode D664

VCFed about 3 months ago

Hello, does anyone know a replacement for the diode DEC D664? Thanks in advance Andreas …
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Guide: Best Handheld Consoles Of All Time, Ranked By You

Time Extension about 3 months ago

Portable power.While home consoles tend to be at the vanguard of video game technology, the humble handheld occupies a slightly different position.Seen by some as a way of filling the time between sessions on the couch with a PS5, the portable console perh …
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USB to Apple //c, //c+, and Apple bus mouse card adapter

Apple Fritter about 3 months ago

I built a small pilot run for testing, and have a few extra available. So far, I have tested these on an Apple bus mouse card, //c, and //c+. The converter will support wired mice, or USB wireless mouse receivers. This is for quadrature mouse input funct …

NEC PC-9821Xt13/K12 - $300 CAD

VCFed about 3 months ago

Everyone, I am selling a PC-9821Xt13/K12 In excellent shape. It comes with both mouse and keyboard, and I equipped it with a CF adapter with YAHDI; it has 32MB of RAM. I prefer this model to the desktop style because it has 5 C-Bus slots and on-board SC …
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IBM P70 Hard drive solutions

VCFed about 3 months ago

So i have an IBM P70 with. Dead hard drive and evwrything else on the unit is perfect. I stumbled across these cards. ... - ZZXIO Parallel Advanced Technology Attachmen …
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Technical questions • ULA, bus conflicts and the expansion devices

Defence Force about 3 months ago

I've been tinkering with the expansion port and grown interested in the bus phases of the Oric Atmos and how its supposed to work. The ULA runs the show on the bus of course, and divides the Phi2 into 3 access "slots", two for itself for running the graph …
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DEC DL11 M7800 unibus serial interface

VCFed about 3 months ago

For local pickup or continental US shipping. (1) DEC M7800 DL11 unibus serial interface. Has an 844.8 khz crystal. Appears to have been modified to allow toggling of bus address A9 via switch on board. The switch and wires were loose, so added doll-ups …

RTL8169 NIC performance

Mac OS9 Lives about 3 months ago

Has anyone used the RTL8169 cards and gotten meaningful performance out of them?I have one of the TrendNet cards in my PowerTower 166 (PowerLogix G3 @ 310MHz / 62MHz bus) and it *works* but the performance is not meaningfully better than the onboard 1... …
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Technical questions • Trying to fix an Oric 1

Defence Force about 3 months ago

Hey Folks,Back with some more support questions.After I fixed my Oric Atmos, someone here in Oz approached me and asked if I could look at their Oric 1."Sure!" I foolishly said.Symptoms were a black screen. I initially checked voltages (All fine) and then …

CP/M 2.2 vs 3.0

VCFed about 3 months ago

I'm sure there are many of you that have put together a system using the S100computers.com boards, and I am now in those ranks as well. My current Z-80 STD bus system is running CP/M 2.2, but my new S-100 Z-80 system is going to run CP/M 3.0. I'm just wond …

GaGe CompuScope Lite PC/XT Drivers/Software

VCFed about 3 months ago

I recently acquired a CompuScope Lite digitizer card from ~1992 with a PC Bus interface compatible with an IBM PC/XT. I'd like to test this card as it seems like a pretty interesting product to turn an XT with Hercules graphics into an oscilloscope, but I …
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Poll: What's The Best Handheld Of All Time?

Time Extension about 4 months ago

Are you a Game Boy, or a WonderSwan?While home consoles tend to be at the vanguard of video game technology, the humble handheld occupies a slightly different position.Seen by some as a way of filling the time between sessions on the couch with a PS5, the …
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Using SRAM for an Apple II

Apple Fritter about 4 months ago

AttachmentSize short phi2.jpg59.58 KB  I just read UncleBernie's response here:  https://www.applefritter.co... I figured the timing was right to discuss the issue of SRAM write timing on an Apple II. What I …

Five Festive 5150 Boards (BOARD #4 Thread)

VCFed about 4 months ago

Welcome to Board #4! [Link to Original Thread / Board #3] Initially the address on the ISA slot wasn't reading correctly during ground I/O CH RDY procedure (simiar to Board #1) and as in Board #1 the address bus chips (U7 / U9 / U10) were not enabled. I …

What was the last / latest commercially produced S-100 bus computer?

VCFed about 4 months ago

Does anyone know what the last/latest commercially produced S-100 bus computer system was? I would assume it would have been around 84 or 85 at the latest as ISA bus computers took over. But I am curious what the absolute final form, most advanced refined …

The B08 pin and using a card in slot 8

VCFed about 4 months ago

As I've stated in other threads before, my knowledge of computer hardware is fairly limited, and though I'm learning a lot by fiddling around with my IBM 5160/XT and asking questions here, there are still many things that are new/unclear to me. In this ol …

Weird 386sx Problem - VGA interference + divide by zero errors

VCFed about 4 months ago

This is a Packard Bell 386sx 25MHz motherboard with integrated Oak VGA chipset. It has no battery damage. Symptoms: VGA noise/distortions that change with computer activity (ISA bus activity or floppy activity) Smart Drive and Setver freeze PC and give d …

WTB EISA Graphics card

VCFed about 4 months ago

Wtb from ATI, Miro or Elsa with EISA Bus thx …

NorthStar Horizon Z80 ROM monitor/diagnostic tool

VCFed about 4 months ago

https://github.com/codesleu... NorthStar Horizon is a S-100 bus Z80 computer from 1977. This ROM monitor was created as part of a restoration project. The initial need was a diagnostic to isolate and troubleshoot basic hardwa …
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Uncle Bernie's "Replica 2e" (WW Prototype of an Apple IIe replica)

Apple Fritter about 4 months ago

Here is a first photo of my brand new "creature", which "came alive" this morning:  PDRM4505B.jpg  It's the wire wrapped prototype of an Apple IIe Replica (not a "clone" !) based on my IOU/MMU PLD substitutes which were al …
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32-bit acorn hardware • 8MB A3000

Stardot about 5 months ago

After good success with the 'silly' 16MB upgrade, it seemed logical to create a more sensible / reasonable 8MB version. A goal here was also to experiment with simplifying the reset logic so that it's not necessary to have the single wire mod / leg-lift …

Sending ISA BUS data from TCP protocol with stm32 processor

VCFed about 5 months ago

Hello. I sent you an e-mail before, but I guess you didn't see it. About a month has passed. P3 motherboards work in real time with DOS system. And these boards have ISA BUS bus. Of course, as you know, P3 and DOS are very old now. The current windows sy …