$ sysctl -a | grep hw 
hw.machine=i386
hw.model=AMD Sempron(tm) 2400+ ("AuthenticAMD" 686-class, 256KB L2 cache)
hw.ncpu=1
hw.byteorder=1234
hw.physmem=402157568
hw.usermem=402153472
hw.pagesize=4096
hw.disknames=wd0,cd0
hw.diskcount=2
hw.sensors.lm0.temp0=41.00 degC
hw.sensors.lm0.temp1=45.50 degC
hw.sensors.lm0.temp2=46.00 degC
hw.sensors.lm0.fan0=3292 RPM
hw.sensors.lm0.volt0=1.63 VDC (VCore A)
hw.sensors.lm0.volt1=2.66 VDC (VCore B)
hw.sensors.lm0.volt2=3.39 VDC (+3.3V)
hw.sensors.lm0.volt3=5.05 VDC (+5V)
hw.sensors.lm0.volt4=11.92 VDC (+12V)
hw.sensors.lm0.volt5=-7.01 VDC (-12V)
hw.sensors.lm0.volt6=-2.53 VDC (-5V)
hw.sensors.lm0.volt7=5.11 VDC (5VSB)
hw.sensors.lm0.volt8=3.12 VDC (VBAT)
hw.cpuspeed=1667
hw.vendor=http://www.abit.com.tw/
hw.product=NF7II series(Nvidia nForce-MCP2S)