Das steht mit printenv:
STB7100-REF> printenv
boot_param_version=1
board=stb7100ref_27
bootdelay=1
ethaddr=00:50:fd:ff:78:ce
autoload=n
serverip=192.168.101.202
ipaddr=192.168.101.201
netmask=255.255.255.0
defbootargs=console=ttyAS0,115200 root=/dev/mtdblock3 mem=32m bigphysarea=1024 c
oprocessor_mem=2m@0x04000000,2m@0x04200000
bootmtd=set=bootargs ;boot
bootcmd=bootm a0040000
bootargs=console=ttyAS0,115200 root=/dev/mtdblock3 mem=32m bigphysarea=1024 copr
ocessor_mem=2m@0x04000000,2m@0x04200000
stdin=serial
stdout=serial
stderr=serial
Environment size: 494/65532 bytes"