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Re: RAM for PowerMac G5 1,8Ghz DP and some Questions..

Posted on 2018-05-12, 22:09

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

matze79 wrote: I got a second G5 1,8Ghz CPU, but the PowerMac will not detect it. […] Show full quote I got a second G5 1,8Ghz CPU, but the PowerMac will not detect it. I bootet up from Diag Disc 2.5.7, and it does show up both temp. sensors, for each cpu. But only one 1.8Ghz CPU 😒 any advice how …

Re: Bought these (retro) hardware today

Posted on 2018-05-09, 20:36

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

There is a BIOS page at vogonsdrivers . Maybe we can use that? Hmm there is no XT-486 images there. And they are difficult to add as many old boards dont have a brand/label. My idea would be 1 post per board with - photo - CPU - list of chips - label (if any) - link to i.e. stason for jumper …

Re: Bought these (retro) hardware today

Posted on 2018-05-09, 18:40

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Predator99 wrote: What about opening a separate Thread to upload BIOS-images? They are really hard to find and its a pity to dump a board just because of a missing/damaged BIOS...maybe I will start one..after my holidays 😎 There is a BIOS page at vogonsdrivers. Maybe we can use that?

Re: Bought these (retro) hardware today

Posted on 2018-05-09, 16:02

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

80386 "Contaq" Chipset - never heard of it DSC_7028.JPG I've been after a BIOS image for a board with that chipset for ages. If you feel like dumping it I would be extremely grateful. :) I had a 386 board with the exact same chipset: contaq 82c591, contaq 82c592, and sis 85c206. I had trouble using …

Re: Bought these (retro) hardware today

Posted on 2018-05-09, 14:22

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Predator99 wrote: 80386 "Contaq" Chipset - never heard of it It's actually an early 486 board, and it takes weitek 4167 math-co. http://arvutimuuseum.ee/th99/m/I-L/30744.htm

Re: MELTDOWN and SPECTRE vulnerabilities and older hardware?

Posted on 2018-05-03, 20:24

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Just comparing SPEC results, it actually looks like there's a pretty big drop on some subtests, especially branchier ones. http://spec.org/cpu2017/results/res2017q4/cpu2017-20171003-00102.html (pre-mitigation) http://spec.org/cpu2017/results/res2018q2/cpu2017-20180403-04894.html (post-mitigation) …

Re: 30 pin SIMM parity/non-parity ?

Posted on 2018-05-03, 03:15

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I had a Contaq MS-3124 386DX board that won't boot with non-parity sticks unless I clear CMOS and load BIOS default. But it worked with both ? It worked with parity sticks without any hassle. After loading BIOS default it works with non-parity sticks, but any mod to the settings in the BIOS will …

Re: My Wavetable Sample Thread

Posted on 2018-05-02, 19:50

in Marvin \ Sound

in Marvin \ Sound

Would anyone be interested in recordings from a Thinkpad 755 - pentium 75 equipped with IBM's infamous Mwave sound/modem DSP card https://en.wikipedia.org/wiki/IBM_Mwave ? I have a working one, but DOS/Win3.1 only. It uses for MIDI synthesis a (roughly) 8MB patch set of .wav files. Which games …

Re: 30 pin SIMM parity/non-parity ?

Posted on 2018-05-02, 04:04

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I had a Contaq MS-3124 386DX board that won't boot with non-parity sticks unless I clear CMOS and load BIOS default.

Re: S3 Trio - 1024X768 256 color only?

Posted on 2018-04-30, 19:18

in Marvin \ Video

in Marvin \ Video

Putas wrote: dionb wrote: Nit-picking: it's an S3 Trio, not a 968 or Virge/VX, so it'll have DRAM, not VRAM. Nit-picking 2: Coloqially VRAM is used as an abbreviation for video ram. Nit-picking 3: Formally VRAM is the officially abbreviation for video ram, the memory used on 964, 968 and Virge/VX 😉 …

Re: Modifying PCChips Bios (came oc'ed)

Posted on 2018-04-30, 14:20

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

IIRC M810LR's ECS equivalent is K7SEM. You may try the latter one's BIOS, which comes with FSB adjustments.

Re: Old Compaq motherboard - Super Socket 7

Posted on 2018-04-29, 05:06

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I had a compaq MVP4 board with a yellow sticker of "camaro" on it. Not sure if it's the same as yours. I had no problem using 256MB RAM on it.

Re: Bought these (retro) hardware today

Posted on 2018-04-29, 05:00

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Munx wrote: verysaving wrote: ECS K7S5A !!!! http://redhill.net.au/b/b-02.htm Damn 😵 Hmmmm my memory of K7S5A was quite pleasant. Back in its days it was in my main PC and running at FSB 266 with DDR RAM.

Re: Supermicro Super P5STE and Pentium 200 MMX

Posted on 2018-04-26, 15:37

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

MMX works at 2.8V. Unless it's an overdrive. But overdrive comes with fan on top of it. Unless the previous owner took off the factory heat sink and replaced it with another. Very unlikely. It was quite common to not have pins for fans on motherboards at that time. Just replace the heatsink with a …

Re: Bought these (retro) hardware today

Posted on 2018-04-25, 06:08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The AS4C4M4F1 chips are 4M x 4bit FPM chips, and the K4P160411C chips are 4M x 4bit FPM chips as well. The extra pins are for extra CAS lines; the former has 1 CAS line and the latter has 4 lines. I read some articles about ECC and couldn't find why it requires 2 extra bits per 8 bits of data. For …

Re: So can I just solder an AGP slot on this motherboard and expect it to work?

Posted on 2018-04-24, 04:54

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

For the record, this was indeed the purpose. I wanted to be able to stick a video card in and use it. What is a DVO slot anyway? Google isn't turning anything up. DVO stands for Digital Video Out. It has the same appearance as an AGP slot but merely provides additional video output such as DVI in …

Re: So can I just solder an AGP slot on this motherboard and expect it to work?

Posted on 2018-04-23, 21:17

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I was not wrong and that is self evident by the numerous i865GV boards with AGP slots in the wild. The question was - can the slot be installed and have it function. The answer is yes. - But it's too much trouble. What I did not do is assume the OP does not know what the slot is for as you and …

Re: I am out of ideas with this board

Posted on 2018-04-23, 16:08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Murugan wrote: It's indeed that board but there are jumpers on this board that are not on the picture nor mentioned anywhere. There is no information where to plug HD and turbo led. The HD LED connector is located at the right bottom of the last picture of the first post.

Re: So can I just solder an AGP slot on this motherboard and expect it to work?

Posted on 2018-04-23, 15:51

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Northbridge is a i865G so from a purely technical standpoint it could work. Wrong. Northbridge is an i865GV so from a purely technical standpoint it does not support standalone AGP. Tiido was correct. Northbridge must also be changed and you most probably need BIOS from a model with AGP slot …

Re: What is Internal vs Internal MHz

Posted on 2018-04-21, 05:02

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

You set the jumpers according to the manual's 80486DX2 settings.

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