Cisco config registers

0x102 Ignores break; 9600 baud

0x1202 1200 baud

0x2101 Boots to bootstrap; Ignores break; boots into ROM if no IOS; 9600 baud

0x2102 Ignores break; boots into ROM if no IOS; 9600 baud

0x2120 Boots into rommon; 19200 console

0x2122 Ignores break; boots into ROM if no IOS; 19200 baud

0x2124 Uses Netboot; ignores break; boots to ROM if no IOS; 19200 baud

0x2142 Ignores break; boots to ROM if no IOS; 9600 baud; ignore configuration

0x2902 Ignores break; boots to ROM if no IOS; 4800 baud

0x2922 Ignores break; boots to ROM if no IOS; 38400 baud

0x3122 Ignores break; boots to ROM if no IOS; 57600 baud

0x3902 Ignores break; boots to ROM if no IOS; 2400 baud

0x3922 Ignores break; boots to ROM if no IOS; 115200 baud