NEC Ready 9012 - Dallas won't hold config?

Posted on 2024-09-01, 01:14

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello all, I've recently obtained an NEC 9012 and the RTC was dead (socketed at least...) so I modded one with a battery and installed it. Didn't work. I eventually pulled a GW-12887-1 out of a 386 that needs a lot more work, and put it in. I was able to boot after the setup info was put in (Phoenix …

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Re: 30 year full circle - NCR 3386 retro build

Posted on 2024-03-20, 03:34

by

by Jed118

in Marvin \ System Specs

in Marvin \ System Specs

LMAO well, it became a 33 MHz with 8 Mb RAM in the end. It's much more usable now, and with the turbo off, it's at 12-16 Mhz 386 speeds anyhow. The USB is an add on - ISA 8 bit card, I made a bracket for it out of an old network card. I move files this way - it's CF ready, but I find the USB more …

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Re: 30 year full circle - NCR 3386 retro build

Posted on 2024-01-08, 01:03

by

by Jed118

in Marvin \ System Specs

in Marvin \ System Specs

Azarien wrote on 2024-01-08, 00:57: Jed118 wrote on 2024-01-08, 00:50: Cinquecento sticker But why 😉 LMAO my aunt had one in Poland, and when I visited there in the summers, my grandfather and I went to Polmozbyt (or even just the regular flea market) and bought a bunch of emblems - I was like 10, …

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30 year full circle - NCR 3386 retro build

Posted on 2024-01-08, 00:50

by

by Jed118

in Marvin \ System Specs

in Marvin \ System Specs

So, finally I was able to construct close to what I had as a 12 year old - my favourite computer (my 2nd one, I built it myself from parts from school - it's a long story but you can be assured the parts were legally acquired) - an NCR 3386 made in West Germany. Full size desktop case, the thing was …

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Re: 386 BIOS - how do I get Type 47 data in here? Also hand scanner question

Posted on 2023-12-03, 18:29

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I played with it some more, and for now, I will leave it, as I plan on swapping in a DX-20 or 25 MHz with a better BIOS. The original motherboard that came with it had some bodging done to some kind of resistor network on a 4x4 slot, I don't know what went on there but it looked melted. The OG board …

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Re: Compaq Presario 400 (425, 433) Series Mini Overview

Posted on 2023-11-28, 05:35

by

by Jed118

in Marvin \ System Specs

in Marvin \ System Specs

Hah I just got one of these myself - didn't POST due to a dead fan, so I had to pull the whole thing apart. Works pretty well, stuck a CS4237 and a NIC in it as well as an ODPR 66Mhz CPU and an 850 Mb hard disk and we're off to the races. Didn't even struggle with the BIOS that hard, as is the usual …

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386 BIOS - how do I get Type 47 data in here? Also hand scanner question

Posted on 2023-10-10, 03:24

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hey all, I just rebuilt a very similar computer to what I had in 1996 as a teenager and yeah, super amped about this NCR 386, SX 16 (mine was a DX back in the day) and the nostalgia is very very strong here! https://i.imgur.com/qVq5k4n.jpg https://i.imgur.com/CqbWLeB.jpg There's a card in every slot …

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Re: Aztech Sound Galaxy NX Pro with SCSI - proper software?

Posted on 2023-09-12, 15:58

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

That size was in "my" first 386 SX too. I remember 965 / 5 / 17. One day I had a backup of it and typed the forbidden "format c:" command. Later I walked from 2 MB via 3 MB to 5 MB. Aztec SBpro and Mitsumi CDROM (2x with DMA support) followed later. Man, those CDROMs were huge compared to that tiny …

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Re: Aztech Sound Galaxy NX Pro with SCSI - proper software?

Posted on 2023-09-12, 04:26

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I'm either not sure whether it is worth it. I mean, on that Aztec it is a SCSI controller without any DMA or BIOS support... You'd better go with an 1542 that supports disks up to or greater than 8 GB. Hah, the only thing that SCSI will be powering is an 8X CDROM in my NEW NEC 386! The hard drive …

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Re: Aztech Sound Galaxy NX Pro with SCSI - proper software?

Posted on 2023-08-29, 15:42

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Update - I didn't really want to destroy that Future Domain SCSI card, so instead I managed to find a CT 1770 with SCSI and the requisite Adaptec controller is in place. I'll get around to powering my CDROM off this eventually... The Aztec/PB knockoff is happily powering a 2C CR 562B in a 286 just …

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Windows 3.1 for AST - upload image?

Posted on 2023-08-09, 16:31

by

by Jed118

in Windows

in Windows

Hello, I want to upload the AST version of Win 3.1 - I can create the ISOs if interested, but where do I upload them? Regards,

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Re: C64 262 horseshoe connector - making your own for an 1802

Posted on 2023-07-21, 21:03

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

For the RCA connector, does pin 1, 5, and 6 go to the centre pin of each respective RCA connector (there's three), and the outside of the RCA connector (all three) go to pin 2 (GND)? Or is the polarity reversed for the RCA? They go to the center pin (I measured it on my S-Video-cable). Outside is …

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Re: C64 262 horseshoe connector - making your own for an 1802

Posted on 2023-07-21, 14:21

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hah, that summarizes my confusion: The table: pin C64 signal notes ASSY 326298 (5-pin C64) VIC-20 C128 Plus/4 1 LUMINANCE luminance, video y-signal, brightness COMPOSITE (luminance and chrominance) video signal 6 volts DC, max 10 mA power supply for rf modulator like C64 like C64 2 GND ground GND …

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C64 262 horseshoe connector - making your own for an 1802

Posted on 2023-07-21, 04:42

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello all, I have recently purchased an 1802 monitor, thus completing my C64. I have the 262 U shaped connector for video. I am able to find diagrams of the pinout, but I can't find any information other than the old 5 pin diagrams on how to make a cable. I want to make a cable for Chroma, Luma, …

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Re: JUKO NEST XT board questions (manual attached)

Posted on 2023-07-21, 04:07

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Greetings. Can you please share ROMs contents of this board? Mine is basically the same (minus half 44256 slots), but with a strange BIOS (same sticker, but with v1.07 written by hand). Both halves that should be even/odd are almost identical, and I think that's why my board appears to be dead (no …

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Re: Post pics of your CRT monitors

Posted on 2023-07-21, 04:06

by

by Jed118

in Marvin \ System Specs

in Marvin \ System Specs

RockmanZ3R0 wrote on 2023-06-12, 21:33: Jed118 wrote on 2018-02-10, 19:33: Unsure if you care or not at this point but I used to have that same monitor as a kid and just recently found the old parts list from the computer it went with from the store, it claims it is ".39 dot pitch S-VGA" Oh …

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Re: What retro activity did you get up to today?

Posted on 2023-03-25, 15:24

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

There might be a DIP switch or jumper block that got set to CGA 80 mode instead of TGA mode and it's either in the back of the computer or inside on the motherboard. I flashed a modified BIOS for my Austin M1RC and it works (I archived the original to be safe) and I flashed a MR BIOS set for a 286 …

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Re: Juko Nest N3 XT system w/NEC V30 Acquisition/Build

Posted on 2023-03-10, 14:30

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

You know there are three turbo speeds on it, right? The turbo LED only lights up at the highest of the three. LED is software controlled more than hardware 😉 I had the same results with the benchmarks - are you using Sysinfo 4? I had that on the hard disk previously.

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Re: Juko Nest N3 XT system w/NEC V30 Acquisition/Build

Posted on 2023-03-10, 01:18

by

by Jed118

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

MOJOJOJO 🤣! Next time PM me, if we could save on evilBay fees, a discount is always offered 😉 I love what you've done with it. I will look around for that blank tonight. 😁

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Re: Zip Disk Drive trouble installing drivers

Posted on 2023-03-10, 01:15

by

by Jed118

in Marvin \ Software

in Marvin \ Software

If you want, I can dropbox you the files off the original CDROM I've used to get each and every one of my ZIP disks to work. I know it will work in 95 and 98. Let me know in a PM and I'll send you a link. *Edit I just used it on a 486DLC with SCSI on it. I just found this forum and this older post. …

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