IBM RT PC 10 Hardware Maintenance And Service page 273

Switch and Jumper Settings
Use the diagram below to set the mode switch and jumpers.
Off On
P1
Swl Sw2 Sw3 Sw4
IBM Display Type
On Off On
Off
Personal Computer
Off Off On Off Personal Computer
On On
orr
On Personal Computer
Off On
orr
On Personal Computer
On On On
Off Enhanced Color
orr
On On Off Enhanced Color
On Off On On Enhanced Color
orr
Off
On
On Enhanced Color
9-18 Service Manual