No, it should definitely count the memory during POST. The 5155 came with the same Mother Board as the early 5160. The 640k Mod ads a Multiplexer to...
If your not familiar with the HIGHMEMV2, see the folowing Attachment 40433.It is a chip that replaces the rom in socket u44 on the IBM 5160 XT Motherboard to address memory up to 1 meg. I did the mod for 640KB on the motherboard about 25 years ago. So I have 256k chips in banks 0 and 1. I have enough 256k chips that I pulled from another board to fill the other two banks. I realize that the added memory will only give me about 64k of Contiguous base memory, but I believe there is a good
Find latest posts
View Articles
View Blog Entries
Originally Posted by ibmapc
