The sidecar connector is quite robust,  too.

 ...


On 4/16/19, John Gardner <[email protected]> wrote:
> Think 512K SRAM...   "8)
>
> On 4/16/19, Kurt McCullum <[email protected]> wrote:
>> That was my thought. To have a module that inserted into the existing
>> "sidecar" or bus slot and then got secured for a permanent 3rd bank that
>> sits inside. Not much more than one 32k SRAM chip and a latch IC to
>> decode
>> the I/O address pins. But I'm certainly a complete hardware novice when
>> it
>> comes to these things so take all that for what it's worth. I asked
>> because
>> many times there are those who have already done this kind of a thing and
>> there may already be a solution. Sounds like Steve looked into it and
>> decided it wasn't a road worth going down. I trust his knowledge on these
>> things far more than mine.
>>
>> I've got a SideCar with 96k but it isn't the most portable of units.
>> Having
>> the extra 32k inside would be nice.
>>
>> Kurt
>>
>> On Tue, Apr 16, 2019, at 1:50 PM, John Gardner wrote:
>>> I meant the "sidecar" expansion connector.
>>>
>>> ...
>>>
>>>
>>> On 4/16/19, John R. Hogerhuis <[email protected]> wrote:
>>> > On Tue, Apr 16, 2019 at 1:27 PM John Gardner <[email protected]> wrote:
>>> >
>>> >> Yeah. Especially if you don't mind splitting the case
>>> >>
>>> >> to plug your board in...
>>> >>
>>> >>
>>> > The NECs have a screw down panel that covers the socketed RAM.
>>> >
>>> > -- John.
>>> >
>>>
>>
>

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