Amiga 3000 RAM - How To Identify

[Kernel]

I have some RAM (4 PACKS OF 8 ZIP CHIPS EACH) from A3000's I used to have but I don't remember how much each actually is :/ - can someone tell me how to identify the quantity based on the chip markings?

(2) Qty 8: TC514256AZ-80

(1) Qty 8: KM44C258AZ-8

(1) Qty 1: TC514256AZ-80 ;  Qty 7: KM44C258AZ-8

Thanks.

[hese7]

Each chip is 128kB (256k x 4bits).

[Kernel]

Each chip is 128kB (256k x 4bits).

Thanks... so it looks like I have a total of 4MB here.

[zipper]

Those xx258xx ones are static column I think (supporting burst).

[VingtTrois]

Avoid mixing these chips (xx514256 with xx514258 and/or 70ns with 80ns) inside the Amiga 3000. For example, my DENEB card doen't like the different chips manufacturers mounted on the A3000 motherboard (FastRam).