Compaq 386 manual Maintenance and Service Guide

Maintenance and Service Guide 8-9

Table 8-6. Jumper Settings for the .5- to 2-Megabyte 16-Bit Memory Expansion Board

Jumper
Selection	Function
E1 to E2, E4 to E5	Base address of 4
	megabytes selected
	(default)
E1 to E2, E5 to E6	Base address of 6
	megabytes selected
E2 to E3, E4 to E5	Base address of 10
	megabytes selected
E2 to E3, E5 to E6	Base address of 12
	megabytes selected

Table 8-7. Memory Configuration for Jumper Settings E1-E2 and E5-E6 for the .5- to 2-Megabyte 16-Bit Memory Expansion Board

Banks	Resulting
Installed	Expansion Memory
Bank 1	512 Kbytes
Banks 1 and 2	1 megabyte
Banks 1, 2, and 3	1.5 megabytes
Banks 1, 2, 3, and 4	2 megabytes