Cisco Systems 78-16019-02 manual Boot Field Values, Bit Address nethost, Bit Baud Rate

Chapter 3 Initial Configuration

About the Software Configuration Register

Table 3-5 Register Settings for Broadcast Address

Bit 14	Bit 10	Address (<net><host>)
0	0	<ones><ones>
0	1	<ones><zeros>
1	0	<net><ones>
1	1	<net><zeros>

Bit 12 and bit 11 in the configuration register determine the data transmission rate of the console terminal. Table 3-6shows the bit settings for the four available rates. The factory-set default data transmission rate is 9600.

Table 3-6 Settings for Console Terminal Transmission Rate

Bit 12	Bit 11	Baud Rate
0	0	9600
0	1	4800
1	0	1200
1	1	2400

Bit 13 determines the system response to a bootload failure. Setting bit 13 (the factory default) causes the system to load operating software from bootflash memory after five unsuccessful attempts to load a boot file from the Flash memory device in slot 0. Clearing bit 13 causes the server to continue attempting to load a boot file from bootflash indefinitely.

Boot Field Values

The lowest four bits of the configuration register (bits 3, 2, 1, and 0) form the boot field. The order in which the system looks for system bootstrap information depends on the boot field setting in the configuration register.

	Cisco ONS 15530 Configuration Guide and Command Reference
78-16019-02, Cisco IOS Release 12.2(18)SV2		3-27