PB450 Miscellaneous Upgrades

Caution Only authorized service personnel should upgrade the system. Anyone who wants to upgrade the system themselves should know about the dangers of ESD (Electro-Static Discharge) and the necessary precautions. Unknowingly zapping the components of the computer will void the warranty.

Speaker Specifications
Use an 8 ohm, .5 watt computer speaker. Remove the jumper on pins 3-4 of the J36 (Jspk) connector. The Speaker will connect to pins 1 and 4. (pin 1= =5 volts, pin 4=speaker ground).

Component Locations