6-2
Jumper Information
Figure 6-1.
Locating the Jumpers
Table 6-1
System Board Jumpers
System
Board ID
Function
Description
1
CPW
Clear Password
Allows you to set the password configuration to
enabled or disabled. You may need to enable this
jumper if you forget your password.
2
EP1, EP2
Flash EPROM Type
Selection
Allows you to configure the Flash EPROM chip.
3
CLK1, CLK2,
CLK3
CPU External Clock
(BUS) Frequency
Allows you to set the different CPU speed
configurations
4
FREQ1,
FREQ2, FREQ3
CPU to Bus
Frequency Ratio
Used in conjunction with CLK1, CLK2, and CLK3 to
decide the ratio of the internal frequency of the CPU
to the bus clock.
5
SRAM
CPU to SRAM Data
Transacting Mode
Selection
Allows you to select the CPU to SRAM data
read/write mode.