XianXi Member VAPS Joined May 23, 2007 Messages 801 Reaction score 4 Location Honolulu, Hawaii Jun 29, 2012 #1 Fixing one for a friend and it looks to have OBJ issues. Where is the object ram on the A board. It says it's ok but I don't think it is.
Fixing one for a friend and it looks to have OBJ issues. Where is the object ram on the A board. It says it's ok but I don't think it is.
channelmanic Well-known member Donor 3 years: 2011-2013 VAPS Joined Apr 5, 2008 Messages 17,110 Reaction score 1,093 Location Texas Jun 29, 2012 #2 It's the dual port video RAM. Quite honestly, it's more likely a problem with the soldering of or with the acutal large square surface mount custom on the A board.
It's the dual port video RAM. Quite honestly, it's more likely a problem with the soldering of or with the acutal large square surface mount custom on the A board.
OP OP XianXi Member VAPS Joined May 23, 2007 Messages 801 Reaction score 4 Location Honolulu, Hawaii Jun 29, 2012 #3 Already checked it with a 40x mag, everything is soldered.
tyranix95 Well-known member VAPS Joined Dec 27, 2010 Messages 3,085 Reaction score 38 Location PST Los Angeles, California Jun 29, 2012 #4 Look at banks H, J, K at the back right of the board.
OP OP XianXi Member VAPS Joined May 23, 2007 Messages 801 Reaction score 4 Location Honolulu, Hawaii Jul 23, 2012 #5 Ok, so I got an A board from a friend and now the graphics are clear BUT all the graphics but BGs are shifted down the screen about 30 pixels. What causes that?
Ok, so I got an A board from a friend and now the graphics are clear BUT all the graphics but BGs are shifted down the screen about 30 pixels. What causes that?
mastercello Member VAPS Joined Dec 17, 2010 Messages 238 Reaction score 0 Location Hochdorf, Luzern, Switzerland Jul 24, 2012 #6 Sounds to me like a c board failure...but i might be wrong!
OP OP XianXi Member VAPS Joined May 23, 2007 Messages 801 Reaction score 4 Location Honolulu, Hawaii Jul 29, 2012 #7 mastercello said: Sounds to me like a c board failure...but i might be wrong! Click to expand... It isn't a C board problem since on another A board the sprites are in the right place.
mastercello said: Sounds to me like a c board failure...but i might be wrong! Click to expand... It isn't a C board problem since on another A board the sprites are in the right place.