6-2 Jumper Information

Figure 6-1. Locating the Jumpers

Table 6-1System Board Jumpers
System
Board ID
Function Description
1CPW 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.
2EP1, EP2 Flash EPROM Type
Selection Allows you to configure the Flash EPROM chip.
3CLK1, CLK2,
CLK3 CPU External Clock
(BUS) Frequency Allows you to set the different CPU speed
configurations
4FREQ1,
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.
5SRAM CPU to SRAM Data
Transacting Mode
Selection
Allows you to select the CPU to SRAM data
read/write mode.