Oh, sorry I did not know you wanted to know that.
I would say, in my opinion, the minimum requirements would be:
Space: 100MB
DB Space: 50MB
Number of DB's: 1
Bandwidth: 1GB
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Line speed: 10Mbps
Dedicated IP: no
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Apache: 2.x
with extensions: none
PHP version: 4.x
with extensions: php_gd, php_crypt
MySQL: 5.x
Rails: No
pgSQL: No
SQL Lite: No
Perl: No
I'm not going to go into more depth than that, the rest is really not important.