I have a motherboard here which brand it is i dont know i will post all the information on it i can
award bios s/n: 022583594
made in taiwan (duh :)
4SGS-3VL Ver 2.2
thats about it plus it is WELL labeled on what jumpers do etc
the cpu im using on it is
an AMD 486-120 3VOLT 3x40MHZ cpu
"A80486DX4-120SV8B" (assume this part number might have some meaning)
I have jumpered the board as a "AM486DX PLUS" as marked on the motherboard
my problem is when i booted it up originally it was working fine but dead slow so i turned on the turbo via a jumper which was fine but then noticed the speed was still AWFUL so i went into the bios and foudn the internal cache was off i turned it on and re-booted the machine it will NOW not boot at all with a boot floppy etc etc
here are some things i have tried
i was using an SIDE controller from IWILL i tried a "standard" VLB controller at speed setting 0 on the jumpers, still no go
i turned it (internal cache) back OFF and it booted so its NOT the system files nor the hard disk
i ran it at 100 mhz instead of 120 and also played with the 0 / 1 wait state on the VLB slots (above 33mhz and below 33mhz options) to see if it was "running the slot/card too fast"
It SEEMS to be jumpered fine as when it was running with the cache off the cpu was quite cool and based on the motherboard model # (4sgs-3vl) i would assume it can do 3 volt cpu's
i have just also remembered something my post last week i noted that i ran a cyrix 100 mhz cpu but i had to turn off the internal cache but many people told me "cyrix 100's (486) had an internal cache problem"
but this is the second cpu so im thinking the board may be faulty does anyone have a solution or know anything regarding this at all or does anyone live in victora / australia with a decent motherboard for me?
any suggestions would be appreciated GREATLY if you need any information DONT hesitate to reply
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