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Chapter 2: Hardware information
2.7 Jumpers
Keep the default settings for stable system operation.
1. JumperFree™ setting (J22)
This jumper allows you to enable or disable the JumperFree™ mode.
2. CPU external frequency selection (J12)
This jumper allows you to select your desired CPU external frequency
(or bus clock).
PP-DLW
PP-DLW CPU External Frequency Selection
J12
CPU select
(Default)
12
100MHz
23
133MHz
23
1
PP-DLW
PP-DLW JumperFree™ Mode Setting
J22
12
2
3
Jumper Free
(Default)
Jumper Mode