E-mu Emulator Sampler User Forum for the EIII EII EI and EIII XP - Standard PAL IC's for EMAXII Memory Expansion Board - needed -

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| | |-+  Standard PAL IC's for EMAXII Memory Expansion Board - needed -
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Author Topic: Standard PAL IC's for EMAXII Memory Expansion Board - needed -  (Read 1547 times)
Mikke
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Posts: 4


« on: April 01, 2021, 02:36:30 AM »

I decided to make a new Post here...

Hello EMAX II Guys,

Maybe someone can help me here..... ?

I managed to grab one of this old MemExpBoards ::!!
It is a REV B Board ?  It has the following PAL IC's mounted.

IP430, IP437, IP436, IP440
So in my opinion it is a 6MB Expansion for a 1MB EMAXII vor full most possible 7MB

My inquiries in some old PDF's etc. tell me the following about the PAL configurations on the MemExpBoard.

For a 2 MB EMAXII you can do the following steps.
2MB -> 4 MB with 2MB DRAM MemExpBoard and "Standard" PAL's IP430, IP432,  IP431, IP433
4MB->6MB with 2MB DRAM and "Standard" PAL's IP430, IP432,  IP431, IP433
6MB->8MB with 2MB DRAM and "Standard" PAL's IP430, IP432,  IP431, IP433

For a 1 MB EMAXII you can do the following steps.
1MB->3MB with 2MB DRAM MemExpBoard and the PAL's  IP430, IP437,  IP436, IP438
3MB->5MB with 2MB DRAM and the PAL's  IP430, IP437,  IP436, IP439
5MB->7MB with 2MB DRAM and the PAL's  IP430, IP437,  IP436, IP440

Can someone confirm this ??
Maybe someone can have a look at his 8MB EMAXII ??
Take a picture of the used PAL IC's ??

So if i want to get my 2MB Stereo EmaxII (Model 2213) run with 8MB i have to get the
PAL IC's or PAL IC-Files from IP432,  IP431, IP433.. !

A source for IP432,  IP431 files i found in the net..

But has someone a IP433 Pal File or can burn a working PAL IC for me??

I will pay for it.. !!


So please can anyone here help me ?

Best regards
Mikke
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E-mu Emulator Sampler User Forum for the EIII EII EI and EIII XP - Standard PAL IC's for EMAXII Memory Expansion Board - needed -

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