pi@raspberrypi ~ $ cat /boot/config.txt
#gpu_mem=16
gpu_mem=128

arm_freq=1000
core_freq=500
sdram_freq=600
over_voltage=3
over_voltage_sdram=1
force_turbo=1

config_hdmi_boost=7
disable_overscan=1

decode_MPG2=0xe99b2a93,0x182c16a,0xddea19ea
decode_WVC1=0xfc7dcee8,0xdcb45030,0xc467f2a1

pi@raspberrypi ~ $ cd staging/

pi@raspberrypi ~/staging $ ./stress.sh
Powering on HDMI with explicit settings (CEA mode 16)
cycles per period = 800000.000000 Inner numloops = 22222 threads=1 frequency=1000 duty=1.000000 duration=0
Memory test (SDRAM) failed
memtest(0x1000000,100,0x24)=1
pi@raspberrypi ~/staging $