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PB 386NB20/25 Upgrade Information

Battery
BIOS
Cache
CPU

RAM
Video

PB 386NB20/25 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.
 

Specifications

1. Use proprietary memory modules that can hold 2MB or 4MB of memory in SIPPs.
 
2. The mainboard has two memory module sockets. Use proprietary SIPPs to expand the standard 2 MB RAM to 4,6, or 8 MB. Refer to table below.

Upgrade Table

TOTAL MEMORY

SIPP SLOT 1

SIPP SLOT 2
2MB
2MB SIPP
NONE
4MB
2MB SIPP
2MB SIPP
6MB
4MB SIPP
2MB SIPP
8MB
4MB SIPP
4MB SIPP
 
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PB 386NB20/25 CPU Upgrade

Caution 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 motherboard can accommodate any of the following CPUs
 
80C386SX 80C387 Math Co-processor
Co-processor no user installable.
No jumpers need to be changed.
 
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PB 386NB20/25 Battery Upgrade

Caution 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.

NiCad 4.8V 5000mA (Sanyo Cadnica Model 4KR-5000DE) Battery Life = 3 hours approx.  
 
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