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Re: Compaq Presario 433, my 486 pure DOS machine

Posted on 2020-06-06, 14:56

in Marvin \ System Specs

in Marvin \ System Specs

Recapping finished. I also hot glued a few things down and did some cable management. I am glad I did it, since there were indeed some leaking capacitors, as shown in the picture. I replaced all except one on CRT driver board that I could not find a replacement of proper size. I removed the 80mm fan …

Re: Compaq Presario 433, my 486 pure DOS machine

Posted on 2020-06-01, 05:42

in Marvin \ System Specs

in Marvin \ System Specs

Hi all, So to keep the thread on these awesome machines alive: As I have two 460s, I decided to put together one from the best parts taken from both, and leave the second for backup (for now at least). The trouble is, the one with the good screen had some damage on the front bezel around CRT (melted …

Re: Compaq Presario 433, my 486 pure DOS machine

Posted on 2020-05-29, 16:57

in Marvin \ System Specs

in Marvin \ System Specs

I consider this a great coincidence, being able to source locally two 460s just a week apart. Second one (right) is in much better shape, with original floppy drive and brighter screen with no burn-in. Yeah, I am very happy now... Filename 20200527_182028.jpg File size 877.07 KiB Views 1201 views

Re: Bought these (retro) hardware today

Posted on 2020-05-29, 04:23

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Over the past week, I acquired not one, but two Compaq Presarios 460. One at local auction site, heavily used, lacking floppy drive and screen burned-in and second by a stoke of luck bumping into a very, very obscure ad in local classifieds in comparatively great condition Filename 20200527_182028. …

Re: Compaq Presario 433, my 486 pure DOS machine

Posted on 2020-05-22, 15:00

in Marvin \ System Specs

in Marvin \ System Specs

386SX wrote on 2020-05-21, 14:39: Man you will not believe it, I think I may have found one in a local store the 425 model in decent a bit yellow condition... 😁 Let's hope if still available. I am curious, tell me more (Im from Czech Rep. though but still)...

Re: Compaq Presario 433, my 486 pure DOS machine

Posted on 2020-05-21, 09:44

in Marvin \ System Specs

in Marvin \ System Specs

Hi guys, Let me follow-up on this thread. I recently acquired a Compaq Presario 460 all-in-one PC, unfortunately with quite a bad screen burn-in. Would any of you have any idea where to get hold of CRT picture tube for this line of computers? Thanks, V.

Re: CT6760 3D Blaster Banshee fix

Posted on 2020-05-06, 15:35

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Guys, when it comes to the bracket, I will fabricate one from a blank new one, and when it comes to heatsink, I have some to glue onto the GPU, but this I will of course do only if I get the card working. The seller is a private person, I did not get it from a recycling center. Well thanks for …

CT6760 3D Blaster Banshee fix

Posted on 2020-05-06, 07:02

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hi all, So there is this Creative 3D Blaster Banshee card which apparently is not working, at all, not a hitch. Picture of the board is below. From what I can see (apart from obviously missing heatsink, and slot bracket), I can see that there is no crystal oscillator at Y2 position and corresponding …

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

Posted on 2020-04-30, 15:17

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

'twas a sunny morning today, so I decided to give the 286 a peroxide treatment until the clouds rolled in, I should give it another try soon Filename 20200430_171208.jpg File size 601.77 KiB Views 1258 views

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

Posted on 2020-04-29, 20:27

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

After ~25yrs since I last player it, I fired up World Class Leaderboard on my finished 286 build and spent some jolly good time!

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

Posted on 2020-04-25, 16:41

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Today I pulled from the "box of free PC stuff for trash" I got recently a MSI MS-694T Pro mobo with Celeron 900MHz to play around. I soldered fan headers to it (previous owner desoldered them for some reason), fitted a new fan to the heatsink and tested it. It works nicely. I installed Windows ME ( …

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

Posted on 2020-04-19, 20:41

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I picked up a package with Voodoo 3 2000 today; tested it, attached a 40mm fan to the heatsink and installed it in my K6-2/400 setup. At first glance it performs almost the same as with Voodoo 2. Just the image looks cleaner and sharper. A bit of a disappointment really, but now the V2 can go back …

Re: Mitsumi D509V2 5.25" 1.2.MB floppy drive repair

Posted on 2020-04-17, 16:36

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

nice clean soldering job. you didn't unscrew the sensor did you? I did, unfortunately. It was impossible to get to it. You can see from the picture that the sensor is held in place by a screw, and a blob of paint/adhesive was added to maybe secure it in place (?). In the picture, you can see the …

Re: Mitsumi D509V2 5.25" 1.2.MB floppy drive repair

Posted on 2020-04-17, 14:33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I have no idea. Try to find the service manual for that model drive online. If anything the common is probably the +5. Hi, Well it occured to me that I can try and find any picture of this particular drive model and check if I can see the cabling and which lead goes where from it. So I actually …

Re: Mitsumi D509V2 5.25" 1.2.MB floppy drive repair

Posted on 2020-04-15, 18:50

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

That's the track 0 switch. One pin pair is for an LED, the other is a phototransistor. Top 2 pins and bottom 2 pins are paired, usually the LED is on top. DONT remove the switch, it requires precise alignment Hi Thank you. So this identifies the sensor pinout, but I also need to know to which leads …

Mitsumi D509V2 5.25" 1.2.MB floppy drive repair

Posted on 2020-04-15, 05:13

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hi guys I hope you all are doing well in these peculiar times... So I just acquired a box of free old PC stuff and in it, there is this lovely Mitsumi D509V2 drive that will go nicely into 286 project I am currently working on. Cleaning it, I notice just one broken thing, a ribbon cable that …

Re: Bought these (retro) hardware today

Posted on 2020-04-04, 13:47

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I think I will try tommorow if pinching the GPU from bottom and from top reveals anything and eventually I will try and bake it in the oven. I revived a dead AWE32 card that way and it works fine a year later so why not try it? I have neither any equipment for resoldering surface mounted components …

Re: Bought these (retro) hardware today

Posted on 2020-04-03, 18:44

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Always underclock the RAM and GPU to test as well. If it still occurs, it is likely a bad chip, broken solder joint, or bent legs on chips. The easiest quick fix (not long term) is to soak under the GPU BGA chip with liquid flux and reflow with a hot air pencil using a BGA/socket style square tip. …

Re: Bought these (retro) hardware today

Posted on 2020-04-03, 06:58

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I got myself a Hercules 3D Prophet FDX 8500LE. The seller admitted that it displays artifacts and sold it as non-working for $2; did not bother me, I used to have one back in the day, in fact it was my "first gaming" GPU I bought myself, and I love the way it looks, so I want to frame it. In fact I …

Re: Trouble with Rhino MVP3-AT build and nVidia AGP cards

Posted on 2020-03-30, 09:42

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Deksor wrote on 2020-03-29, 19:56: Great news ! Have fun with your K6 😁 Oh I will! I picked up Kingpin: Life of Crime where I left off on 200MMX, and resumed gamplay on this setup, runs considerably better, Sin will be next,

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