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Cisco 7500 Series Installation and Configuration Guide
OL-5008-03 B0
Chapter 4 Performing a Basic Configuration of the System
Using the Flash Memory Cards in the RSPs
Enabling Booting from Flash Memory
To enable booting from Flash memory, set configuration register bits 3, 2, 1, and 0 to a value between 2
and 15 in conjunction with the boot system flash device:filename configuration command, where device
is bootflash:, slot0:, or slot1:, and filename is the name of the file from which you want to boot the
system. (For detailed configuration register information, see the
“Configuring the Software
Configuration Register” section on page 4-4
.)
To enter configuration mode while in the system software image and specify a Flash filename from
which to boot, enter the configure terminal command at the enable prompt, as follows:
Router# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)# boot system flash device:filename
To disable the Break function and enable the boot system flash device:filename command, enter the
config-register command with the value shown in the following example:
Router(config)# config-reg 0x0100
Crtl-Z
Router#
Additional Commands Associated with Flash Memory
This section describes additional commands related to using the onboard Flash memory (bootflash) on
the RSP and the Flash memory cards (PC Card slot 0 and slot 1). The following examples assume you
have Flash memory cards in PC Card slot 0 and slot 1.
You can determine which memory media you are accessing using the pwd command, as follows:
Router# pwd
slot1
You can move between Flash memory media using the cd [bootflash | slot0 | slot1] command, as
follows:
Router# cd slot0
slot0
Router# cd slot1
Router# pwd
slot1
You can list the directory of Flash memory media using the dir [bootflash | slot0 | slot1] command, as
follows:
Router# dir
-#- -length- -----date/time------ name
1 4601977 May 10 1996 09:42:19 myfile1
6 679 May 10 1996 05:43:56 todays–config
7 1 May 10 1996 09:54:53 fun1
You can delete a file from any Flash memory media using the delete [bootflash | slot0 | slot1]:filename
command, as follows:
Router# delete slot0:fun1
Router# dir
-#- -length- -----date/time------ name
1 4601977 May 10 1996 09:42:19 myfile1
