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Re: 3 (+3 more) retro battle stations

Posted on 34 minutes ago

in Marvin \ System Specs

in Marvin \ System Specs

@maxtgerabbit Yes - slow refresh, but not hidden refresh. Will correct my post above. If enabled - stability suffers. @Feipoa I measured ~50 C on the VRM with precise thermometer. 96/10/24 seems to be the latest BIOS. Didn't modify it - used it as is. Pretty sure the BIOS chip is Winbond WB29EE011- …

Re: 3 (+3 more) retro battle stations

Posted on 2021-07-15, 22:12

in Marvin \ System Specs

in Marvin \ System Specs

In continuation to the 486 at 180MHz - an exercise in practicality : LuckyStar LS-486E rev:D Highly integrated, cost reduced and even more compact version of the previous rev:C2 PCB. 2 RAM slots only, soldered on board 256Kb 15ns L2 cache chips. Late UMC BIOS that speaks EDO and is different than …

Re: 3 (+3 more) retro battle stations

Posted on 2021-07-15, 05:32

in Marvin \ System Specs

in Marvin \ System Specs

Note that I have the MB-8433UU C -A which has the UM8886 A F rather than BF, but they seem similar. One difference is with this board, there is no option to control the PIO mode from the BIOS. There is only UM8673.SYS, as well as a small program I wrote to access the drives directly and switch to …

Re: 3 (+3 more) retro battle stations

Posted on 2021-07-12, 07:29

in Marvin \ System Specs

in Marvin \ System Specs

1979 Benz - classy. Around that time I was still walking straight under the table. I think the UUD board has the chops for it. I was hoping for 60mhz, but looks like I have to be more humble. Let's see ... This is a great project. Didn't see sram adapter, but still very impressive.

Re: Weird Viglen 486 motherboard (DT-TX6); mouse kills keyboard?

Posted on 2021-07-10, 22:19

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Not into custom motherboard layouts, but this looks badass. Hope it performs the same way.

Re: 3 (+3 more) retro battle stations

Posted on 2021-07-09, 20:11

in Marvin \ System Specs

in Marvin \ System Specs

I should probably search online, but for the sake of the conversation - there should be testing devices that allow to vary the frequency. It makes sense to be that way. Do you know ?

Re: 3 (+3 more) retro battle stations

Posted on 2021-07-09, 07:06

in Marvin \ System Specs

in Marvin \ System Specs

Pardon my delay, my vehicle work took a lot longer than expected. Is it rolling again ? We seem to have a similar disorder lol. Plenty of mental cases around here. Is cute ... Indeed, the video was not available when I asked my questions. Really curious about that 2-1-1-1 at 60 MHz. How was the …

Re: 3 (+3 more) retro battle stations

Posted on 2021-07-04, 18:03

in Marvin \ System Specs

in Marvin \ System Specs

I was about to point you to the provided video in my previous post but noticed that the link was broken. Fixed it. Take a look. All answers of your questions are there. Notice the 5V line to the Peltier. What PCI divisor are you using? 1:1 Are you using 2-1-1-1 for the L2 at 60 MHz FSB? If so, what …

Re: 3 (+3 more) retro battle stations

Posted on 2021-07-03, 22:39

in Marvin \ System Specs

in Marvin \ System Specs

Been thinking for a while to examine the 486 space above the common 160MHz ... and finally getting to it. In this first round will operate under the slogan: 486 at 180MHz - an exercise in practicality . Some of the late AMD 133MHz rated CPUs are capable of reaching 180, or even 200 MHz frequencies …

Re: Rack project

Posted on 2021-07-02, 15:37

in Marvin \ System Specs

in Marvin \ System Specs

Tell us more about each "blade". Can I rent some farm time ? What is the price per minute ? 😉

Re: 3 (+3 more) retro battle stations

Posted on 2021-06-27, 20:14

in Marvin \ System Specs

in Marvin \ System Specs

maxtherabbit wrote on 2021-06-27, 18:43: pshipkov wrote on 2021-06-27, 17:41: @maxtherabbit These are some fat numbers for 486 class rust. […] Show full quote @maxtherabbit These are some fat numbers for 486 class rust. Thanks for the slow drivers. 😉 PS2 mouse + Promise ultra133 or fasttrak …

Re: 3 (+3 more) retro battle stations

Posted on 2021-06-27, 17:41

in Marvin \ System Specs

in Marvin \ System Specs

@maxtherabbit These are some fat numbers for 486 class rust. Thanks for the slow drivers. 😉 PS2 mouse + Promise ultra133 or fasttrak controllers + Biostart UUD = works here, but i think you are on SiS 496 hardware, right ?

Re: 3 (+3 more) retro battle stations

Posted on 2021-06-27, 17:39

in Marvin \ System Specs

in Marvin \ System Specs

I did a bit more testing with the onboard IDE port on the Biostar board. As it turns out, it is detecting my 32 GB Sandisk card properly. The "P014" it reports for the size is truncated. I guess they only left space for 4 digits. "P014" = "32014" megabytes. I'm still confused as to when a software …

Re: 3 (+3 more) retro battle stations

Posted on 2021-06-27, 06:32

in Marvin \ System Specs

in Marvin \ System Specs

A command line argument on the same line. Something like /d0:17. Not around the rigged contraption atm, but that is covered in the readme.txt from the driver archive.

Re: 3 (+3 more) retro battle stations

Posted on 2021-06-27, 05:21

in Marvin \ System Specs

in Marvin \ System Specs

Oh, sorry. I thought that i clarified already that i don't use DOS installers for drivers and such. Just edit config.sys by hand. That's why i don't have such lines in Windows' system.ini

Re: 3 (+3 more) retro battle stations

Posted on 2021-06-27, 03:52

in Marvin \ System Specs

in Marvin \ System Specs

@maxtherabbit I will be interested to check those SIS 496/7 drivers as well.

Re: 3 (+3 more) retro battle stations

Posted on 2021-06-27, 03:50

in Marvin \ System Specs

in Marvin \ System Specs

The Multiprocessing kernel thing happened on the i430TX as well, but at least the OS installed, just couldn't boot. I don't recall ever having this issue and I've setup NT4 at least a hundred times. The version of NT4 I'm using is the one which came with my Dell 410 Workstation. I think it is SP1. …

Re: 3 (+3 more) retro battle stations

Posted on 2021-06-26, 17:04

in Marvin \ System Specs

in Marvin \ System Specs

UMC driver for NT3.5 crashes NT4 hard if the OS is on a partition inside a CF attached to Promise controller. There is no crash if the CF card is attached to the on-board UMC controller, but then performance is as reported before. In fact - there is no indication anywhere inside NT4 that the driver …

Re: 3 (+3 more) retro battle stations

Posted on 2021-06-26, 16:50

in Marvin \ System Specs

in Marvin \ System Specs

maxtherabbit wrote on 2021-06-26, 15:02: The SiS 496 IDE driver did the same, however they work on Windows 95 and 98. Obviously not NT compatible I never had to do SIS 96# drivers so far. Do you see any advantage there ?

Re: 3 (+3 more) retro battle stations

Posted on 2021-06-26, 16:49

in Marvin \ System Specs

in Marvin \ System Specs

What's the difference between "Standard PC" and "Standard PC with C-step i486"? EDIT1: I ultimately put the CF card into my i430tx system and installed NT4. While still in the 430tx system, I rebooted after NT4 installed, but NT4 wouldn't boot. It hangs at the point where it should just get started …

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