Earlier chips would have gold and later ceramic or black to save money.
With RAM being expensive it was common to take whatever you had and toss it
in your next system or an expansion card so that may be what you're seeing
from a previous owner.
On Sat, Jan 21, 2023, 12:14 PM Chris via cctalk <cctalk(a)classiccmp.org>
wrote:
Well the latgest question I have is whether early NEC
chips with any lida
were commonly used to populate tne 5162. And if your lids aren't gold
plated, is the lid aluminum or some related alloy?