(2) Nanya 512MB PC2-5300U-555-12-A2 NT512T64UH8B0FN-3C

(3) Samsung 512MB 2Rx16 PC2-5300S-555-12-A3 M470T6554EZ3-CE6

(1) Hynix 512MB 2Rx16 PC2-5300S-555-12-A0 HYS64T64020HDL-3S-B