NEC MC2200, User Manual

Page: 60 / 142

3-18 Configuring Your System
The system board jumpers enable you to set specific operating parameters for your
system. A jumper is a small plastic-encased conductor (shorting plug) that slips over
two jumper pins.
Figure 3-1 shows the location of the system board jumpers. Table 3-10 lists the system
board jumpers and their factory default settings.
Figure 3-1. System Board Jumpers
Reserved
J21
Password Clear
Reserved
Reserved
CPU Speed
Model Type
CMOS Clear
Reserved
FLASH Code
CPU Speed
Reserved
A B
J1A J1B
J2A
J2B
J3A
J4A
J5A
J6A
J7A
J3B
J4B
J5B
J6B
J7B
CPU Speed
1
2
3
1
2
3
CPU Speed
CPU Speed
Reserved
Model Type
1 2 3
J27
J26
J25
J29
Model Type
1 2 3
J52
Reserved
1
2
3
J28
Model Type
1 2 3
J54
Model Type
1
2
3
J53
Model Type
J51
1
2
3
CPU 2
J50
1
2
3
CPU 1 J49
1
2
3
HD Activity
J612
1 2 3