Compaq 386 Personal Computer User Manual


 
Maintenance and Service Guide 8-11
Bank 3 Enabled
When pin 1 to pin 2 is jumpered, Bank 3
(socketed memory) is accessed normally by
the system. If memory is not installed in Bank 1
and the jumper is set in this position, parity
errors occur.
Bank 3 Disabled
When pin 2 to 3 is jumpered, Bank 3 (socketed
memory) is disabled. This position should be
used when memory is not installed in Bank 1.
Figure 8-6. Jumper 101 Setting on the 1- to 2-Megabyte
(assy. no. 000450) or 4- to 8-Megabyte (assy. no. 000459)
32-Bit Memory Expansion Board.
Table 8-8. Jumper Settings tor the 1- to 2-Megabyte or 4- to 8-Megabyte
32-Bit Memory Expansion Boards
J101 Setting
1- to 2-Megabyte 32-Bit
Memory Expansion Board
4- to 8-Megabyte 32-Bit
Memory Expansion Board
1 to 2 Enables second 1 MB of memory Enables second 4 MB of memory
2 to 3 (default) Disables second 1 MB of memory Disables second 4 MB of memory