Re: PS/2 to Microsoft Serialmouse Adapter Converter

Posted on 2017-07-03, 11:32

by

by matze79

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Did you solder the Diode ? What Voltage to you supply to the adapter ? The light should turn on even without a Computer and just a Mouse attached. Did you also try another Mouse ? maybe the mcu programing is defective ? do you own a isp programmer ? or esd damage ? 3$: http://www.ebay.com/itm/ …

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Re: Music Quest MPU clone cards, anyone interested in them?

Posted on 2017-06-28, 10:35

by

by matze79

in Marvin \ Sound

in Marvin \ Sound

Nice Job Keropi, i really like the Idea to have no external modules 😀 Also this brings cheap MIDI Sound to old XT Machines (Dreamblaster)

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Re: The Tandy 1000 ISA sound card brainstorm thread.

Posted on 2017-06-23, 13:03

by

by matze79

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I think the biggest problem is designing the circuit so that both the microcontroller and the ISA port can write to the SN76489. I don't think you can just connect both data lines to the SN76489 directly and just expect things to work. Hm just use a Busdriver and connect it beetween ISA Bus and …

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Re: What are some of the most annoying instances of cost reduction you have encountered?

Posted on 2017-06-23, 09:46

by

by matze79

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

- not populating isa slots on p3 boards - cheap caps - cheap mechanics and rubber bands for cd eject mechanism. - cheap fans without ball-bearing - P60 Systems with passiv cooling... Thanks Escom! - not populate caps, when intentet by hardware designer.. more money, less stability hopefully my …

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Re: Need some help adding MMX capabilities to a P5-120 Gateway 2000

Posted on 2017-06-20, 13:28

by

by matze79

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I also have the Pentium Overdrive MMX. It has all the Voltage Regulators onboard. Simply set voltage for normal pentium cpu. Please run a Memory test if you experience crashes. maybe your video driver is crashing because of using too new instructions. if you use a geforce wtf or radeon... there are …

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Re: My AlphaPC - 164LX with 21164 533 MHz

Posted on 2017-06-20, 10:48

by

by matze79

in Marvin \ System Specs

in Marvin \ System Specs

i always wanted one 😒 but never was be able to find.. Nice System. Did you have working compilers ? so you can even get sdl and many stuff running native. Gimp 1.2 should work with gtk1 😀 Even dosbox.

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Re: Innovation SSI 2001 re-engineering and/or conclusions

Posted on 2017-06-19, 15:41

by

by matze79

in Marvin \ Sound

in Marvin \ Sound

Wow looks great 😀 did you make this pcb @ home ? 😳

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Re: The Tandy 1000 ISA sound card brainstorm thread.

Posted on 2017-06-19, 09:38

by

by matze79

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

what about using a small mcu that does that on sn76489 ? a dip16 mcu should be fine.

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Re: The Tandy 1000 ISA sound card brainstorm thread.

Posted on 2017-06-19, 08:55

by

by matze79

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hi, i now think i'm waited long enough for the pcb to finish, and since few months there is no progress. i really want to own a tandy soundcard. Can you point me into right direction ? is the R01 Schematic inside this Thread the same used for the current pcb ? https://www.lo-tech.co.uk/wiki/Tandy_ …

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Re: DUDE, show me your Dell!

Posted on 2017-06-16, 12:07

by

by matze79

in Marvin \ System Specs

in Marvin \ System Specs

Dell Optiplex GX260 - 2.53Ghz Pentium 4 - 2Gb RAM Qiomonda PC3200 (only running DDR266) - 80Gb Harddisk - DVD-Rom (replaced CD-Rom) - i865 Chipset and Graphics onboard - Leadtek GeForce 6200 128Mb 128Bit - http://www.hardwaresecrets.com/leadtek-geforce-6200-128-mb-128-bit-review/ This one was found …

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Re: Newly made Gravis Ultrasound compatible cards ... what's the degree of interest?

Posted on 2017-06-15, 08:46

by

by matze79

in Marvin \ Sound

in Marvin \ Sound

Copy code to clipboard 1 I'll write you a PM regarding developing in circuit programming within the next few days. That would be really cool ! 😁

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Re: [solved] How to run Steam without SSE2 (Pentium 3 + Win XP)

Posted on 2017-06-14, 11:37

by

by matze79

in Marvin \ Software

in Marvin \ Software

they even added SSE2 requiremend to games... some older games running on P3 without problems are no longer working because they now require SSE2..

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Re: PS/2 to Microsoft Serialmouse Adapter Converter

Posted on 2017-06-12, 15:07

by

by matze79

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

if you install the diode voltage will drop 0.7V. Simple drop in a Wire, for the diode and from 1 to Pin 3 of 7805. Feed 5V, but watch Polarity or it will die 😁

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Re: VIA C3 Discussion

Posted on 2017-06-11, 08:49

by

by matze79

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

i have the 800Mhz 133Mhz FSB VIA C3, even a PII at 350Mhz can beat it in some tasks. but it runs without Fan ! 😀 And makes no noise at all.. 64Gb Samsung SSD sata2ide also soldered ISA Slot to the mainboard, simple not populated.

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Re: IDE(AT) to CF card adapter with IT-PACK4 and AMIBIOS?

Posted on 2017-06-11, 08:40

by

by matze79

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

you can burn a XTIDE Rom and replace your Controller ROM with it. It handles HDD's up to 120gb fine. your controller comes with BIOS ?

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Re: Underrated PCI 3D Accelerators

Posted on 2017-06-11, 08:38

by

by matze79

in Marvin \ Video

in Marvin \ Video

Unless the GeForce 6200 has the old NV43 its pretty useless. NV44/NV44A and co are really crippled. There even 32bit Memory Bus Versions which are simply made for office computers.. if you really want a 6200, stay a way from LE and A-LE (A-LE 2 Shader, 1 Vertex) better get a 9550 radeon pci.

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Re: PS/2 to Microsoft Serialmouse Adapter Converter

Posted on 2017-06-10, 19:33

by

by matze79

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

or use 7805 and feed 12V from Molex. if you already soldered everything. Center Pin is GND.

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Re: Tandy \ Disney Sound Source \ Soundblaster playback on parallel port DAC CVX4

Posted on 2017-06-10, 09:04

by

by matze79

in Marvin \ Sound

in Marvin \ Sound

i had an idea for a different route, add a opl2 to the LPT port, and remap it via emm386 calls 😳 i already hookup a SID Chip to LPT 😀

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Re: Help needed with Promise Ultra66 in 486

Posted on 2017-06-10, 08:48

by

by matze79

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

install the card with DDO, Ontrack or Maxblast, it will boot.

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Re: Dos gaming PCI graphics card choice.

Posted on 2017-06-07, 17:02

by

by matze79

in Marvin \ Video

in Marvin \ Video

if you also run Windows 95 i would use the ATI Card. It offers D3D and CIF 😀 So you can play early Games like Turok and Mechwarrior. Looks like this is a VRAM Rage ?

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