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The Tandy 3000 NL
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Motherboard Jumper Settings
===========================

Video Monitor Type
------------------
E14 - E15       Monochrome
E15 - E16       Color

RAM Bank Select
---------------
E23 - E24       Bank 0 (512K) on Motherboard
E24 - E25       Bank 0 (512K/2M) on Memory Expansion Board
E21 - E22       Bank 1 (128K) on Motherboard
E20 - E21       Bank 1 (512K/2M) on Memory Expansion Board

On-board Parallel Port
----------------------
DIP - SW1       On:Enabled

DIP - SW2       On:LPT1
E12 - E13       Irq7:LPT1

DIP - SW2       Off:LPT2
E11 - E12       Irq5:LPT2

On-board Serial Port
--------------------
DIP - SW3       On:Enabled

DIP - SW4       On:COM1
E8  - E9        Irq4:COM1

DIP - SW4       Off:COM2
E9  - E10       Irq3:COM2

On-board Floppy Controller
--------------------------
DIP - SW5       On:Primary

Numeric Co-Processor
--------------------
E2  - E3 ]      10Mhz 80287
E4  - E6 ]      Note: requires oscillator installation

E1  - E2 ]      8Mhz 80287
E6  - E7 ]      

===========================