You need to force a bios clear. often you need to get the system to default into a bios setup to do this, if you have more than one memory stick installed try removing one an boot up. this should generate a bios error due to the memory size mismatch. If it doesn't, power back down, reinstall the simm and boot back up and see if this error will bring up a bios error and allow you into setup. If neither of these work, try removing the hard drive and power up. If none of these work, Fujitsu (the original mfg) played an obnoxious game and used an external software access bios config, and this will require an original disc to access.
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You need to force a bios clear. often you need to get the system to default into a bios setup to do this, if you have more than one memory stick installed try removing one an boot up. this should generate a bios error due to the memory size mismatch. If it doesn't, power back down, reinstall the simm and boot back up and see if this error will bring up a bios error and allow you into setup. If neither of these work, try removing the hard drive and power up. If none of these work, Fujitsu (the original mfg) played an obnoxious game and used an external software access bios config, and this will require an original disc to access.