First post, by Cga.8086
Hi guys, i have a voodoo rush that i have kept in my house of a long time.
yesterday i tested it and the first thing i noticed when i turned the computer ON, was that the first boot screen where it was supposed to say the card model, just gave me garbage on the screen. But it is completely random as when i booted the pc many times.. it gave the correct letters without issue.
Then i noticed that on 50% of the times that i did a reset, the windows98 boot screen had glitches too, horizontal lines (like an old VHS movie) while the logo appeared on the screen.
then noticed some glitches while using windows98, i remember that in one ocasion i clicked the start button it showed me a black square on the screen.
so i thought it must had been the memory chips that are connected to the 2D chip on the card. So i installed 3dmark99 to test the 3D part of the card.
test1 starts to run and show the race, but a few seconds later everything goes crazy, crashes the PC or textures go crazy. Completely random as for example the race looks fine....then shows glitches, then slows down or jumps and then goes to test#2 where just crashes the PC. or sometime test#1 race starts to look ok and few seconds later just crashes the PC
then tried with a game, same thing, game looks fine ...but seconds later some of the textures start to go crazy till the pc just freezes.
-----could this be something related to bad memory or it is related to bad 2D or 3dfx chips?
-----the card has a total of 16 memory chips with markings that say VG264265BJ-4 (yea too many chips in there) Is there any cheap replacement memory i can use that is sold as 10 pack for example?
----- I noticed that 4 of the memory chip traces are very tied to the 2D chip, and 12 chip traces go more to the two 3DFX chips.
----- Random glitches and crashes happen because of 2D memory? 3D memory? or broken 3dfx chip?
----- specs mention 40ns, can i buy 50ns replacement? or needs to be 40 ?
Mfr Package Description 0.400 INCH, PLASTIC, SOJ-40
Status Discontinued
Access Mode FAST PAGE WITH EDO
Access Time-Max 40.0 ns
JESD-30 Code R-PDSO-J40
Memory Density 4194304.0 bit
Memory IC Type EDO DRAM
Memory Width 16
Number of Functions 1
Number of Ports 1