Motherboard Differences - Bay-Tek AXE MASTER Service Manual

MB13 MOTHERBOARD DIFFERENCES
Axe Master games can use 2 different motherboards. The MB12 was the original motherboard.
During March, 2023 - the MB12 motherboard became obsolete and was changed to an MB13.
These are the main differences:
Difference # 1:
The additional power supply connection is 8 pins instead of 4 pins.
AAMB13-HD/RTR
Motherboard
Difference # 2:
The power on capacitor is located in a
different location on the plug and it is now
part # AACA1320-10
Difference # 3:
The M.2 software drive ( Part # AAHD0032-RTR) is now located on
the bottom, underneath the motherboard.
Difference # 4:
There are more jacks on the motherboard, but the sound jack still
plugs into the green socket.
The older MB12 has one 4 pin connector
pushed into motherboard,
and one 4 pin connector loose.
The MB13 uses both of these 4 pins
pushed together to make one 8 pin
connector.
Power In from
Power Supply
55