Re: Starting up a new Dallas RTC chip

Posted on Today, 12:59

by

by maxtherabbit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

mkarcher wrote on Yesterday, 20:57: So if a BIOS really would clear the CMOS based on the "low battery" bit, it would clear the CMOS on every reset, even with uninterrupted mainboard power. I've encountered several boards which do exactly this

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Re: Starting up a new Dallas RTC chip

Posted on 2024-05-21, 11:37

by

by maxtherabbit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

yeah your "new" dallas from ebay is not new only buy these things from digikey or mouser, the ebay ones are a scam

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Re: Custom interposer module for TI486SXL2-66 PGA168 to PGA132 - HELP!

Posted on 2024-05-17, 15:17

by

by maxtherabbit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Finally finished my SXL2-90 build based on the results from this thread. Symphony_461_SXL2-90_outside.JPG Symphony_461_SXL2-90_inside1.JPG Symphony_461_SXL2-90_inside2.JPG Symphony_461_SXL2-90_inside3.JPG Symphony_461_SXL2-90_inside_dual_8GB_CF_cards.JPG Decided to go all SCSI (AHA-1520B): ACARD …

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Re: Do you keep a tech-journal?

Posted on 2024-05-16, 01:17

by

by maxtherabbit

in Milliways

in Milliways

I don't keep a journal but I do keep a google spreadsheet with my results from all of the dos benchmarks in phils pack Also keep a folder on a modern PC with all the downloaded files I've had to seek out (drivers, etc.) for each build

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Re: Tex Murpy Overseer DVD Edition Being a Pain

Posted on 2024-05-06, 18:14

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by maxtherabbit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Running multiple video cards on 98 is a bad idea. Probably related to that

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Re: Different versions of CheckIt 3.0

Posted on 2024-05-06, 18:13

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by maxtherabbit

in Marvin \ Software

in Marvin \ Software

I also have a version 3.00j which has all files identical to 3.00i except for the main EXE has a couple small changes. Dated 9/12/90

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Re: Snark barker troubleshooting

Posted on 2024-05-01, 16:54

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by maxtherabbit

in Marvin \ Sound

in Marvin \ Sound

I have used both the C and S version in a real soundblaster card and both worked fine, I was using the 52 though.

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Re: 486 board Young Micro Systems VEGA 486 Green PC

Posted on 2024-05-01, 16:52

by

by maxtherabbit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The L2 throughput is acceptable, but the main memory is a bit sub-par

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Re: M915i jumper setting for P24T(Pentium Overdrive)?

Posted on 2024-05-01, 11:32

by

by maxtherabbit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

CoffeeOne wrote on 2024-05-01, 11:08: On the other hand, the CPU supports also voltage detection, so when the mainboard provides the 3.5 volts, the voltage regulator on the cpu is not used. I don't think that's true, you have to provide it 5V for correct operation

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Re: Short on ISA slots? Try this.

Posted on 2024-04-30, 12:10

by

by maxtherabbit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

MCA was also parallel, internal serial busses in PCs didn't get popular until SATA

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Re: ESS Solo 1 - Cannot find the AudioDrive

Posted on 2024-04-30, 12:06

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by maxtherabbit

in Marvin \ Sound

in Marvin \ Sound

zuldan wrote on 2024-04-30, 07:32: Does anyone know what these jumpers do on this particular Solo 1 card? Jumpers.JPG Switch between speaker and line level output

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Re: Native PS/2 mouse implementation for 386/486 boards using the keyboard controller

Posted on 2024-04-29, 16:01

by

by maxtherabbit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello, it's me again. Has anyone had issues with the PS/2 mouse (with this modification) not working in Windows 98 but working without issues in DOS? I don't think I have tested the PS/2 mouse mod in Win98, but every system I've used it in which contained Windows 95 has run beautifully. Normally I …

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Re: The World's Fastest 486

Posted on 2024-04-29, 15:20

by

by maxtherabbit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

feipoa wrote on 2024-03-22, 21:26: I have found pretty much all of these SiS 496 boards to be unreliable with the PCI at 1/2. This is commensurate with my experience as well

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Re: XT-IDE: WDC turns 3x times on/off

Posted on 2024-04-29, 15:20

by

by maxtherabbit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Marco wrote on 2024-04-29, 05:39: Wow great. That’s it. Thanks a lot. I mean I would assume that a 80gb drive is well aware of PM but your symptoms are identical. Damn that I am not owner of my eprom burner anymore 🙁(( It's a bug in the XUB. The drive being aware of power management is what makes …

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Re: XT-IDE: WDC turns 3x times on/off

Posted on 2024-04-28, 21:54

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by maxtherabbit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Seems like a problem I had as well. See here for a solution I received: https://forum.vcfed.org/index.php?threads/xtide-universal-bios.18240/page-34#post-1305261. I needed to make a custom XTIDE build and remove MODULE_POWER_MANAGEMENT. I also removed MODULE_SERIAL, MODULE_SERIAL_FLOPPY and MODULE_ …

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Re: TYAN "S1662 Pentium Pro" Dual CPU upgrade

Posted on 2024-04-02, 17:11

by

by maxtherabbit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

nice job 😁

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Re: Native PS/2 mouse implementation for 386/486 boards using the keyboard controller

Posted on 2024-03-24, 12:10

by

by maxtherabbit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I think the 'P' is for PnP

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Re: Modified BIOSes for ASUS P3B-F, P3V4X, P3V133, CUBX, CUBX-E/L and P3C-E

Posted on 2024-03-19, 21:46

by

by maxtherabbit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Zerthimon wrote on 2024-03-19, 16:01: I think it's the bios setup option PNP OS yes/no. If you set it to yes, then bios doesn't configure PNP devices. Correct

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Re: Native PS/2 mouse implementation for 386/486 boards using the keyboard controller

Posted on 2024-03-14, 14:52

by

by maxtherabbit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

feipoa wrote on 2024-03-14, 10:50: Today I decided it would be really simple to shorten the adaptors I already have on hand. I If you'd like to redesign it I'll be happy to share the kicad source with you

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Re: Native PS/2 mouse implementation for 386/486 boards using the keyboard controller

Posted on 2024-03-14, 14:50

by

by maxtherabbit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

It is not any one post I am referencing, rather a collective of posts over the past several years. I never thought that you were targeting me because I have also noticed it in interactions with others. As a few other members have PM'ed me over the years about your sometimes uncordial or …

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