Query Cache not Working? MySQL 4.0.14-standard

For some reason my MySQL doesn't seem to be caching queries! Is there a manual config change that needs to be made or do I need to rebuild mysql some special way? I couldn't find anythign in the docs about this, but it would greatly help my PHP pages if it were caching properly! Thanks, Matt mysql> show variables like 'have_query%'; +------------------+-------+ | Variable_name | Value | +------------------+-------+ | have_query_cache | YES | +------------------+-------+ 1 row in set (0.00 sec) mysql> show status; +--------------------------+--------+ | Variable_name | Value | +--------------------------+--------+ | Aborted_clients | 18 | | Aborted_connects | 0 | | Bytes_received | 40020 | | Bytes_sent | 102217 | | Com_admin_commands | 95 | | Com_alter_table | 0 | | Com_analyze | 0 | | Com_backup_table | 0 | | Com_begin | 0 | | Com_change_db | 106 | | Com_change_master | 0 | | Com_check | 0 | | Com_commit | 0 | | Com_create_db | 0 | | Com_create_function | 0 | | Com_create_index | 0 | | Com_create_table | 0 | | Com_delete | 1 | | Com_delete_multi | 0 | | Com_drop_db | 0 | | Com_drop_function | 0 | | Com_drop_index | 0 | | Com_drop_table | 0 | | Com_flush | 0 | | Com_grant | 0 | | Com_ha_close | 0 | | Com_ha_open | 0 | | Com_ha_read | 0 | | Com_insert | 16 | | Com_insert_select | 0 | | Com_kill | 0 | | Com_load | 0 | | Com_load_master_data | 0 | | Com_load_master_table | 0 | | Com_lock_tables | 0 | | Com_optimize | 0 | | Com_purge | 0 | | Com_rename_table | 0 | | Com_repair | 0 | | Com_replace | 0 | | Com_replace_select | 0 | | Com_reset | 0 | | Com_restore_table | 0 | | Com_revoke | 0 | | Com_rollback | 0 | | Com_savepoint | 0 | | Com_select | 191 | | Com_set_option | 0 | | Com_show_binlog_events | 0 | | Com_show_binlogs | 0 | | Com_show_create | 5 | | Com_show_databases | 2 | | Com_show_fields | 18 | | Com_show_grants | 0 | | Com_show_keys | 15 | | Com_show_logs | 0 | | Com_show_master_status | 0 | | Com_show_new_master | 0 | | Com_show_open_tables | 0 | | Com_show_processlist | 0 | | Com_show_slave_hosts | 0 | | Com_show_slave_status | 0 | | Com_show_status | 2 | | Com_show_innodb_status | 0 | | Com_show_tables | 4 | | Com_show_variables | 0 | | Com_slave_start | 0 | | Com_slave_stop | 0 | | Com_truncate | 0 | | Com_unlock_tables | 0 | | Com_update | 16 | | Connections | 17 | | Created_tmp_disk_tables | 43 | | Created_tmp_tables | 45 | | Created_tmp_files | 0 | | Delayed_insert_threads | 0 | | Delayed_writes | 0 | | Delayed_errors | 0 | | Flush_commands | 1 | | Handler_commit | 0 | | Handler_delete | 1 | | Handler_read_first | 1 | | Handler_read_key | 16374 | | Handler_read_next | 356091 | | Handler_read_prev | 0 | | Handler_read_rnd | 561 | | Handler_read_rnd_next | 4280 | | Handler_rollback | 0 | | Handler_update | 16 | | Handler_write | 1848 | | Key_blocks_used | 73 | | Key_read_requests | 53252 | | Key_reads | 45 | | Key_write_requests | 322 | | Key_writes | 42 | | Max_used_connections | 9 | | Not_flushed_key_blocks | 0 | | Not_flushed_delayed_rows | 0 | | Open_tables | 13 | | Open_files | 16 | | Open_streams | 0 | | Opened_tables | 19 | | Questions | 379 | | Qcache_queries_in_cache | 0 | | Qcache_inserts | 0 | | Qcache_hits | 0 | | Qcache_lowmem_prunes | 0 | | Qcache_not_cached | 0 | | Qcache_free_memory | 0 | | Qcache_free_blocks | 0 | | Qcache_total_blocks | 0 | | Rpl_status | NULL | | Select_full_join | 0 | | Select_full_range_join | 44 | | Select_range | 0 | | Select_range_check | 0 | | Select_scan | 57 | | Slave_open_temp_tables | 0 | | Slave_running | OFF | | Slow_launch_threads | 0 | | Slow_queries | 0 | | Sort_merge_passes | 0 | | Sort_range | 8 | | Sort_rows | 561 | | Sort_scan | 88 | | Table_locks_immediate | 355 | | Table_locks_waited | 0 | | Threads_cached | 0 | | Threads_created | 16 | | Threads_connected | 6 | | Threads_running | 1 | | Uptime | 73571 | +--------------------------+--------+ 132 rows in set (0.01 sec)