The 2GB limit depends on which VERSION of System 7 you are using:
http://www.mess.org/howto:install_mac_os_7
The skinny is, unless you are planning to run System 7.5.5 exclusively on your SE/30 (and who in the world does that?), you should keep partitions to 2GB or less.
http://www.mess.org/howto:install_mac_os_7
The skinny is, unless you are planning to run System 7.5.5 exclusively on your SE/30 (and who in the world does that?), you should keep partitions to 2GB or less.