roy Professional Joined Jun 15, 2020 Messages 339 Reaction score 132 Location Israel Jul 28, 2020 #1 hey bought this board yesterday see pic attached tried using unibios 4.0 and all i got was test screen ... any ideas how to fix it? thanks Attachments mvs error..jpg 326.5 KB · Views: 595 mvs..jpg 218 KB · Views: 283
hey bought this board yesterday see pic attached tried using unibios 4.0 and all i got was test screen ... any ideas how to fix it? thanks
S shadowkn55 Beginner Joined Jul 20, 2020 Messages 21 Reaction score 22 Location SoCal Jul 28, 2020 #2 Replace the sram at locations B4 and B5.
Rom1 Enthusiast Joined Nov 7, 2019 Messages 180 Reaction score 155 Location France Jul 28, 2020 #3 Before replacing chip, check continuity of data line for B4/B5 RAM. The lower one is failing but it maybe not related to ram chip itself. Have a look here: https://wiki.neogeodev.org/index.php?title=Repair_help#MVS https://wiki.neogeodev.org/index.php?title=RAM_chip#MV1FS
Before replacing chip, check continuity of data line for B4/B5 RAM. The lower one is failing but it maybe not related to ram chip itself. Have a look here: https://wiki.neogeodev.org/index.php?title=Repair_help#MVS https://wiki.neogeodev.org/index.php?title=RAM_chip#MV1FS
roy Professional Joined Jun 15, 2020 Messages 339 Reaction score 132 Location Israel Jul 31, 2020 #4 the seller was kind enough to replace the board can I use ml2032 battery 3v instead of the original gb50h-3 3.6v both are rechargeable thank you! Attachments Screenshot_20200731-194128_Gallery.jpg 228.2 KB · Views: 159
the seller was kind enough to replace the board can I use ml2032 battery 3v instead of the original gb50h-3 3.6v both are rechargeable thank you!
PascalP Legendary Joined Jan 17, 2016 Messages 5,610 Reaction score 3,743 Location The Netherlands Jul 31, 2020 #5 Easy ram swap, had the same on my board. and yes that battery is fine, but you can also install a CR2032 and disable the charging circuit
Easy ram swap, had the same on my board. and yes that battery is fine, but you can also install a CR2032 and disable the charging circuit
Rom1 Enthusiast Joined Nov 7, 2019 Messages 180 Reaction score 155 Location France Jul 31, 2020 #6 Yes it's ok