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PB 386 25 Rev. D Upgrade Information

Battery
BIOS
Cache
CPU

RAM
Video

PB 386 25 Rev. RAM Memory Upgrade

Warning Only authorized service personnel should upgrade the system. Anyone who wants to upgrade the system herself/himself 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.
 
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PB 386 25 Rev. D CPU Upgrade

Warning Only authorized service personnel should upgrade the system. Anyone who wants to upgrade the system herself/himself 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.
 

Note
This system supports the 80387SX-25 math co-processor. It is installed at location U41. No jumper settings are required.
 
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PB 386 25 Rev. D Battery Upgrade


Warning Only authorized service personnel should upgrade the system. Anyone who wants to upgrade the system herself/himself 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.
 
DS 1287 soldered on motherboard.
 
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