HP Portable 386 Compaq Portable 386 Personal Computer Maintenance and Service - Page 148

System Board Jumper Settings, Table 9-1. Jumpers E1, E2

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NOTE: The following jumper settings are reserved: E12, Pins 1 and 2 E18, Pins 2 and 3 E22, Pins 2 and 3 E24, Pins 1 and 2 E25, Pins 1 and 2 Figure 9-1 shows the jumper locations on the COMPAQ PORTABLE 386 system board. Chapter 9.3 System Board Jumper Settings Refer to Figure 9-1 for the system board jumper locations. Use Tables 9-1 through 9-9 as references for setting each jumper. NOTE: Refer to the configuration label, located on the inside of the computers rear panel, for the default jumper settings and locations. Table 9-1. Jumpers E1, E2, and E7 - Select Parallel Port Options Jumper Setting Function E1, Pins 2 and 3 Select first port address (3BX) (default) E2, Pins 1 and 2 LPT1 (default) E1, Pins 1 and 2 E2, Pins 2 and 3 Select second port address (37X) LPT2 E1, Pins 1 and 2 E2, Pins 1 and 2 Select third port address (27X) LPT3 E1, Pins 2 and 3 E2, Pins 2 and 3 Disable internal parallel port

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NOTE: The following jumper settings are reserved:
E12, Pins 1 and 2
E18, Pins 2 and 3
E22, Pins 2 and 3
E24, Pins 1 and 2
E25, Pins 1 and 2
Figure 9-1 shows the jumper locations on the COMPAQ PORTABLE 386 system board.
Chapter 9.3 System Board Jumper Settings
Refer to Figure 9-1 for the system board jumper locations. Use Tables 9-1
through 9-9 as references for setting each jumper.
NOTE: Refer to the configuration label, located on the inside of the
computers rear panel, for the default jumper settings and locations.
Table 9-1. Jumpers E1, E2, and E7 - Select Parallel Port Options
==============================================================================
Jumper Setting
Function
------------------------------------------------------------------------------
E1, Pins 2 and 3
Select first port address (3BX) (default)
E2, Pins 1 and 2
LPT1 (default)
E1, Pins 1 and 2
Select second port address (37X)
E2, Pins 2 and 3
LPT2
E1, Pins 1 and 2
Select third port address (27X)
E2, Pins 1 and 2
LPT3
E1, Pins 2 and 3
Disable internal parallel port
E2, Pins 2 and 3