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Re: VLB vs PCI

I wouldnt ditch that broken VLB board yet. What is the damage report on the oxidized traces, show us the damage. As for VLB, they are more unstable, especially when using several, but they have more bandwidth than an PCI card will ever get. But most wont like 50Mhz, and with PCI you can run 50FSB …

Re: Cleaning a PSU fan

Take the PSU apart with AC cord unplugged of course. Remove the PCB with the 4 screws. use a several hundreds of ohms resistor with wires to the end to discharge any left voltage on the big capacitors, or leave it unplugged for several days or uplug ac cord indeed while running pc before taking it …

Re: Uknown UMC 486 board

I have to say that it is easy to solder on older boards (lead solder) and heat should be around 380 celcius hot air on the backside of the board, but the board needs to be steady and not be disturbed like tapping to it parts can move. Eventually you can pull out gently the ic or the plastic holder, …

Re: Uknown UMC 486 board

@ 3dfxnerd Maybe it is easy to say be me because i do soldering each and every day but, if i were you i would change all capacitors also from your (if it is still original AT PSU) power supply. Then remove all fake cache shit and place sockets on them and install real sram, remove the soldered loops …

Re: Uknown UMC 486 board

Luckyob, i see yours has also a Secondray ide port :-) Luckybob, you have realy nice Black VLB and PCI slots. I have several white ISA boards but never seen this. btw you can install a removeable socket for you bios if needed. When i get some time, within some weeks i will readout the bios rom for …

Re: Socket A questions

On the performance side - its 100% identical to a normal Barton, so if you already have a stable 2500+ running at 2.2Ghz (3200+ speed), dont bother getting a mobile version. Difference between 2.2Ghz and 2.5Ghz is really not *that* great. I am sorry but "Difference between 2.2Ghz and 2.5Ghz is …

Re: Uknown UMC 486 board

Ok, PCchips M915 that indeed seems to be it, but i cannot find any jumpering info for this type with google. And I would like to upgrade cache to 512k or 1M, does anyone has any jumper info for this board also for cpu type's. Or anyone here has an original manual. I have some original 386 and 486 …

Uknown UMC 486 board

Hi Guys, I have this board here that is running my am5x86 at 150Mhz 3x50 and running quake on S3 Trio64V+ pci card 16FPS demo1 2x8MB FPM 60ns and 256K UMC 15ns cache in WB mode at 2-1-1-1 Now i had this board for some time, and i heard that there is more FSB jumpering to do, can anyone tell me the …

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