CISCO_R1#sh ver
Cisco Internetwork Operating System Software
IOS (tm) C2600 Software (C2600-I-M), Version 12.3(20), RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2006 by cisco Systems, Inc.
Compiled Tue 08-Aug-06 20:50 by kesnyder
Image text-base: 0x80008098, data-base: 0x80CE7FC4

ROM: System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)
ROM: C2600 Software (C2600-I-M), Version 12.3(20), RELEASE SOFTWARE (fc2)

CISCO_R1 uptime is 1 day, 2 hours, 46 minutes
System returned to ROM by power-on
System image file is "flash:c2600-i-mz.123-20.bin"

cisco 2611 (MPC860) processor (revision 0x203) with 61440K/4096K bytes of memory.
Processor board ID JAD050527L6 (3021246796)
M860 processor: part number 0, mask 49
Bridging software.
X.25 software, Version 3.0.0.
2 Ethernet/IEEE 802.3 interface(s)
1 Serial network interface(s)
32K bytes of non-volatile configuration memory.
16384K bytes of processor board System flash (Read/Write)

Configuration register is 0x2