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View Code? Open in Web Editor NEWISA 4Mb EMS expansion board
ISA 4Mb EMS expansion board
I know that you modified the LTEMM driver. It seems that the driver has no option for page frame size. It is always fixed at 64 KB, but I sometimes need 128 KB. Is there a way for having 128 KB? If possible, I can use this card for UMB as well.
U17 is 74HCT139 In the BoM, but 74HCT138 On the PCB.
Which one is correct?
The available files in the github have no the ic rom section. Do you make to available the kicad files with the ic-rom section? I like to change litle bit.
Thankyou
I made it by myself and installed it on my motherboard.
It has 8 RAM chips.
I expected 255 pages, but I got 253 and 254.
The number displayed changes slightly(253~255) every time I boot my computer.
I also conducted EMS memory tests through Checkit.
Checkit indicated that there was a parity error.
Finally, there is a problem that the LED is not lit.
I replaced the LED with a new one, but there was no change.
What did I do wrong? I'd appreciate it if you let me know.
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