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

Posted on 2019-12-09, 02:25

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by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Finally made some time to tinker with the Tyan S2507T dual Pentium 3 setup today. Good news is with a beefy old PSU for all the 5v and 3.3v amps, it seems to run like a champ! Not as good news, still not sure why my 600w Enermax PSU won't turn on after recapping, but since this 450w unit definitely …

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Re: Asrock 775Dual VSTA & Core4Dual thread

Posted on 2019-11-16, 18:30

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by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

mrgreen wrote: On a 775Dual VSTA is it possibile to add a USB 3.0 card on PCIexpress slot or PCIexpress is only for GPU? Thank you I've tried 2 different PCIE 1x USB 3.0 cards on that slot and the machine won't POST with either of them. Posts fine with a graphics card connected.

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Re: PSU question - are voltage sense wires mandatory?

Posted on 2019-11-13, 01:41

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by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

As long as it's an earlier design with more than 30A available for 5V circuits, you should be fine. I've used my KP6 dual slot rig with a 365W Enermax supply and a 430W Thermaltake without problems. yep I believe the 5v and 3.3v output is almost identical - with the 600w unit having more amps on …

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Re: PSU question - are voltage sense wires mandatory?

Posted on 2019-11-10, 17:34

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by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I don't think so. Your next step is putting the PSU on a scope to make sure it's regulating properly prior to shutting down. I don't currently have access to a scope :( I guess this is a good time to take a look at whether or not the lower capacity unit would be sufficient for the Tyan dual PIII …

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Re: How do you cool your retro rig?

Posted on 2019-11-10, 17:31

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by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I built it in a modern case specifically to be able to use modern quiet fans and keep everything inside cool at the same time (also to not slice my hands up any time I'm working in there). Main retro rig is a dual Pentium III Tyan board with an AGP Quadro FX 4000 SDI that I swapped a 'large' Zalman …

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Re: PSU question - are voltage sense wires mandatory?

Posted on 2019-11-07, 02:51

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by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Yup, those will be much closer than the HDs. hrm same behavior after swapping those new caps. I'm still scratching my head at this because as far as I know, all I've done since the unit was first received (and worked properly) was replace the large caps, remove the existing wiring harness and …

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Re: PSU question - are voltage sense wires mandatory?

Posted on 2019-11-04, 20:15

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by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

gdjacobs wrote: The HD caps are the 4700uF ones. Again, Panny FC, FK, or FM caps, 10V, 4700uF would be excellent. thank you again! ok so I ordered two of these: P10236-ND‎ ‎EEU-FC1A472L‎ CAP ALUM 4700UF 20% 10V RADIAL

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Re: PSU question - are voltage sense wires mandatory?

Posted on 2019-11-04, 17:37

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by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The TUR series caps are general purpose. The Panny and Ruby caps specified to replace these are perhaps a bit over spec (being low or low-ish ESR), but the Panny HD is much more of a mismatch and therefore what I would substitute first. thank you - I'm not sure how to identify which Panasonic are …

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Re: PSU question - are voltage sense wires mandatory?

Posted on 2019-11-04, 00:13

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by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Just to be clear, I'm not sure if my theory is the cause of what's happening, but it is possible and is known to have happened in the past. Caps will often have a manufacturers mark or full name on the casing, although this is sometimes omitted by the more shady operators. They will also have a two …

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Re: PSU question - are voltage sense wires mandatory?

Posted on 2019-10-31, 01:57

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by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

What series, voltage, and dimensions were the caps you replaced? What series, voltage, and dimensions did you replace them with? Depending on the feedback design of the PSU, straying too far from the original capacitor's ESR can result in loss of regulation which causes the PWR_OK signal to not go …

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Re: PSU question - are voltage sense wires mandatory?

Posted on 2019-10-30, 21:59

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by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

hmm now I'm confused... the 470w Enermax CPU arrived so I could pop it open and make sure that I had all the wires in the correct locations on the existing 600w unit. Everything is in the correct spot, I didn't reverse any of the new caps, and just to double check the 'new' PSU powers on fully with …

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Re: ReelMagic MPEG Return to Zork

Posted on 2019-10-29, 17:21

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by kalm_traveler

in Marvin \ Software

in Marvin \ Software

I have a Pentium MMX 233 machine downclocked to 120 and have installed a ReelMagic Lite ISA card alongside an SB16. The only video card I have that I can get to function properly with this card is my S3 ViRGE, so I'm using it for now. The game runs fine (other than some bad vertical banding) until …

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Re: PSU question - are voltage sense wires mandatory?

Posted on 2019-10-29, 02:45

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by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

For you electrical engineer types, it occurred to me that I combined both +12v rails into the same modular plate input - might that be the cause of the PSU bumping on for just a moment and then not actually coming on all the way? You never mentioned that before and yeah that would be a def NO-NO ! …

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Re: PSU question - are voltage sense wires mandatory?

Posted on 2019-10-27, 20:51

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by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

in case anybody was following - I decided to pick up another Enermax PSU from this same product line, though only the 425w version (I am using the 600w version for ULTIMATE POWAH) and a larger donor shell so that I don't have to smash the extra wiring in there so a Corsair HX750i should be perfect. …

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Re: PSU question - are voltage sense wires mandatory?

Posted on 2019-10-27, 00:41

by

by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Ahh ok I misunderstood, inside my psu case the 3v sense goes to solder thru hole with s+ (micro stamped on top of pcb) and the gnd sense does same to a s- right next to. Any marking on the PSU board you have ? AH you may have just saved my bacon in that case. This is the area where I saw the wires …

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Re: PSU question - are voltage sense wires mandatory?

Posted on 2019-10-26, 21:45

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by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Just checked one of my ATX with 20 pin, it has the 3.3 sense connected with a main +3.3v supply wire at pin 2, the GND sense is connected with main GND at pin 3. Here is a pic and you can sorta make out how there are two wires going to each of those two pins. thank you - the problem I have is that …

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PSU question - are voltage sense wires mandatory?

Posted on 2019-10-26, 20:13

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by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Short version of the story is I recapped an Enermax Noisetaker PSU and am transplanting it into a modern EVGA shell to make it modular but I was stupid and didn't take adequate pictures of where all the wires went before removing it's original harness. Now, between the one picture I have, the single …

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Re: For *only* 2002-2006 era games any benefit to Win Xp 64-bit over 32-bit?

Posted on 2019-10-25, 16:49

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by kalm_traveler

in Marvin \ Software

in Marvin \ Software

Hmm I'm having trouble finding a good x79 Sabertooth mb with no damage and including the I/O shield... may need to just source some local persons old gaming rig and pilfer parts. Xp-era games still had EAX etc, so a hardware sound card would be appropriate, right? Just trying to expand my parts …

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Re: Pentium 2 VS 3 for period accurate win98 build?

Posted on 2019-10-25, 03:22

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by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Quake 3 launched in December 1999, Half Life started in 98 and had xpacs until HL2 in 2004, Descent 3 was June of 99, etc so it just depends what kind of experience you want. I built my first all-new-parts PC in late 2000 and had a socket 370 Celeron 566 in a socket370-> Slot 1 adapter card since …

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Re: What case do you prefer?

Posted on 2019-10-24, 22:07

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by kalm_traveler

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello, I really like to put my retro hardware in modern cases unless it is AT-standard. It looks beautiful. I often saw that people here like to stay retro with the housing. So what do you think? Is it essential for the retro-feeling to have ones socket7/slot1/slota/socket370/462...in a good old …

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