Video ram error - 2 slot

bartre

bartre

Haomaru's Blade Shiner
10 Year Member
Joined
Oct 27, 2009
Posts
681
Hey guys,

Got a 2 slot MVS motherboard that's giving me a a video ram error on bootup.
Error message is -
Address Write Read
00008000 55555 0F00

based on what I'm reading, that's indicating the RAM chips are bad.
is there anything else I should check before replacing chips or to point to which specific ram chip it is?

Where can I get new ram?
 
GadgetUK

GadgetUK

Ace Ghost Pilot
Joined
Sep 27, 2013
Posts
1,323
bartre said:
Hey guys,

Got a 2 slot MVS motherboard that's giving me a a video ram error on bootup.
Error message is -
Address Write Read
00008000 55555 0F00

based on what I'm reading, that's indicating the RAM chips are bad.
is there anything else I should check before replacing chips or to point to which specific ram chip it is?

Where can I get new ram?
Click to expand...

I think that address 8000h relates to the fast VRAM CXK5814's. You can often find these on eBay or AliExpress. There are probably arcade parts stockists that still hold stock of these too. Worth checking you do have that type on the board, cannot remember if they swapped the chip type for some more modern SMD component on the later 2 slots? (probably not)
 
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