System Board Jumper Settings; Jumpers E1, E2, And E7 - Select Parallel Port Options - Compaq PORTABLE 386 Maintenance And Service Manual

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.
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
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E1, Pins 2 and 3
E2, Pins 1 and 2
E1, Pins 1 and 2
E2, Pins 2 and 3
E1, Pins 1 and 2
E2, Pins 1 and 2
E1, Pins 2 and 3
E2, Pins 2 and 3
Function
Select first port address (3BX) (default)
LPT1 (default)
Select second port address (37X)
LPT2
Select third port address (27X)
LPT3
Disable internal parallel port
Use Tables 9-1