Can I tell the mhz size of the motherboard by opening

screen is blank so i can not get the spec of the g4. can i get them by opening the back

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

crwdns2942205:01crwdne2942205:0:

Please give us the last three figures of your serial number located in the battery compartment. We can then tell you want you have.

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0