Use the "dmesg" command

[enter] ~> dmesg
Copyright (c) 1992-2002 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD 4.5-STABLE #1: Mon Apr 22 20:12:17 EEST 2002
root@hostname.net:/usr/obj/usr/src/sys/ENTER
Timecounter "i8254" frequency 1193182 Hz
CPU: AMD Duron(tm) Processor (701.60-MHz 686-class CPU)
Origin = "AuthenticAMD" Id = 0x631 Stepping = 1
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
AMD Features=0xc0440000<<b18>,AMIE,DSP,3DNow!>
real memory = 134152192 (131008K bytes)
avail memory = 125169664 (122236K bytes)
Preloaded elf kernel "kernel" at 0xc0530000.
VESA: v3.0, 4096k memory, flags:0x1, mode table:0xc0491042 (1000022)
VESA: NVidia
netsmb_dev: loaded
Pentium Pro MTRR support enabled
md0: Malloc disk
Using $PIR table, 7 entries at 0xc00fddc0
npx0: <math processor> on motherboard
npx0: INT 16 interface