WARNING: This information is provided "as is" with no warranty. Use at your own risk!
This site is NOT affiliated with PB.

PB 386 33 Upgrade Information

Battery
BIOS
Cache
CPU

RAM

Video

PB 386 33 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.
 
DS1287 soldered on motherboard.  
Back To the Top

PB 386 33 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 80387-33 Math Co-processor. It is installed at location U79. No jumper settings are required.
 
Back To the Top

PB 386 33 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.
 

Note

This motherboard has two 32-bit memory expansion card slots.
Memory cards (Model iSBC ATMEM8) are available through Intel dealers.
Have the end-user call Intel at (800)-538-3373 for a referral.
 

TOTAL MEMORY

SIMMs

JUMPERS

EXTENDED MEMORY

1MB (4)256 X 9 at J14 & J15 E16-E18 E17-E19 0
2MB (8)256 X 9 at J14 - J17 E16-E18 E7-E9 E17-E19 1024
4MB (4) 1M X 9 at J14 & J15 E18-E20 E6-E8 E19-E21 3072
8MB (8) 1M X 9 at J14 - J17 E18-E20 E6-E8 E19-E21 E7-E9 7168
 

RAM TYPE

JUMPERS

RAS/CAS

NONE

FAST-PAGED

E2-E4,E3-E5(DEFAULT)

STATIC COLUMN

E3-E5