I've used 128M and 1G SD cards with success. I would say they are No-name brands.
I also have a 4G that doesn't work. Just be sure to format these with FAT-16. From Windows XP, they just call it "FAT".
As for the eprom, if you don't have what to program it with, I don't see how OTP's are going to be of any help. I would take Gary's offer for a programmed EPROM. I can offer an EPROM too, but shipping from Canada will cost you more.
Date: Tue, 27 Jan 2015 19:09:45 -0800
Subject: [N8VEM-S100:6096] Crusty's S100-8080 CPU Card
I've been building this board and it's about 90 % populated.
While I'm waiting for parts, I was wondering about memory.
1. For the SD Card, what is recommended size & brand ?
2. 27C256 Eprom ?
My Data I/O took a shit a long time ago and I sold my NeedHams. I do Have a
EasyPro 90B that will do AT27C256 but they are OTP. I'm accustomed to erasing
& reprogramming, but it takes 30 mins to erase under UV light. I have many UV
Eproms, but nothing to program them. They are just too old.
I see Mouser has;
Considering they only cost $1.98 each and are OTP, the "low cost"-vs-"erase time" makes sense.
I have never used OTP, but I could buy a few and write a few and compare. Once I know my
programming hardware works I could go forward....
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