Note that if your computer is only experiencing the cache DIMM issue, the 5xxx/6xxx Tester will display the appropriate message.
*Note:
The models included in this program are Apple Power Macintosh 5200/75 LC and 5300/100 LC, and Macintosh Performa 5200, 5215, 5300, 6200, 6205, 6214, 6216, 6218, 6220, 6230, 6290 and 6300. (The recently introduced Power Macintosh 5260 and 6320 are not included in this program because Apple corrected all the known issues with this product prior to manufacturing.)
Other References:
The following Tech Info Library articles provide additional information on the 5xxx/6xxx Tester application.