Grp Reset Switch - Cisco 12410 Installation And Configuration Manual

Line Card and Route Processor Overview

GRP Reset Switch

Caution
Cisco 12010, Cisco 12410, and Cisco 12810 Router Installation and Configuration Guide
1-16
Chapter 1
Access the (soft) reset switch through a small opening in the GRP front panel. To
press the switch, insert a paper clip or similar small pointed object into the
opening (see Figure 1-11 on page
The reset switch is not a mechanism for resetting the GRP and reloading the
Cisco IOS image. It is intended for software development use only. To prevent
system problems or loss of data, use the reset switch only on the advice of Cisco
service personnel.
Pressing the reset switch causes a nonmaskable interrupt (NMI) and places the
GRP in ROM monitor mode. When the GRP enters ROM monitor mode, its
behavior depends on the setting of the GRP software configuration register. For
example, if the boot field of the software configuration register is set to:
0x0—The GRP remains at the ROM monitor prompt (
•
a user command to boot the system manually.
0x1—The system automatically boots the first Cisco IOS image found in
•
flash memory on the GRP.
For more information on the software configuration register, see the
the Software Configuration Register" section on page
Cisco 12010, Cisco 12410, and Cisco 12810 Series Router Overview
1-18).
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