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LoROM vs HiROM dual EPROM boards

Feb 11, 2018 at 7:44:40 PM
darksarcasm (0)
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< Tourian Tourist >
Posts: 38 - Joined: 07/08/2015
Ohio
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Hey everyone,

I'm looking at a board like the SHVC-2A3M-20, which has two 32-pin EPROM slots, for LoROM games.
Similarly, I'm looking at the SHVC-BJ3M-20, which has two 36-pin EPROM slots, for HiROM games.

Does anyone know if it would be accurate to say: any multi-EPROM slotted boards that are 32 pin are strictly LoROM, and any multi-EPROM slotted boards that are 36 pin are strictly HiROM? Or is that not necessarily true?

Feb 12, 2018 at 6:38:59 AM
Ice Man (22)

< Meka Chicken >
Posts: 548 - Joined: 05/13/2016
Germany
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That's not true. It's just a matter of board revisions and how much the board can decode. 16MBit, 24MBit, 32MBit, etc.

Though, boards like 2A3M or 2J3M are always 32 pins (since lower game size).
BJ3M instead is always 36 pins (since higher game size).


Edited: 02/12/2018 at 06:42 AM by Ice Man

Feb 12, 2018 at 6:51:26 PM
darksarcasm (0)
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< Tourian Tourist >
Posts: 38 - Joined: 07/08/2015
Ohio
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Yeah after i asked this I pretty quickly found a few examples where this didn't hold haha
Thanks anyway!