1. Infineon 256MB, DDR, 333, CL2.5

2. 256MB, DDR, 333, CL2.5

3. INFINEON HYB25D256800BT-7 
Has 16 x  INFINEON HYB25D256800BT-7 chips
8 on one side, 8 on the other
Therefore believed to be 512Mb RAM
No way of checking for sure what this is

4. v58c2128804sat75
believed to be a 256Mb chip

5. ProMOS 128MB DDR 400MHz CL3

6. Samsung PC133U - 333 - 542

7. PC 133-256MB / CL3
256MB PC133 SD RAM 168 PIN DIMM

8. M.Tec 128MB PC133 RAM Memory 168 Pin DIMM SDRAM