Replica IBM 5150 PC motherboard

[Marc Howard]

Umm, I'm missing something here.  It can't possibly be $149.50 as listed on
the webpage.  I would think that would be the price for the bare board if
anything.

Marc

On Thu, Mar 8, 2018 at 3:42 PM, Fred Cisin via cctalk <cctalk at classiccmp.org
> wrote:

> On Thu, 8 Mar 2018, Paul Berger via cctalk wrote:
>
>> Hmmmm I don't remember my original PC having all the chips in sockets nor
>> do I recall it having 64Kb DRAMs.  I clearly recall that it had one bank of
>> 16Kb DRAMs soldered down and sockets for three more banks of 16Kb chips.
>> The only other sockets on the board where for the ROM, CPU, and math
>> coprocessor.  hardly a fathful reproduction.
>>
>
> If I remember correctly, the original PC/5150 BIOS supported a maximum of
> 544K; later BIOS could handle 640K.
>
>
> What were the details for modifying a 64-256 5150 to 640K on the
> motherboard?  (It was not the same as converting 5160).
> It did NOT involve unsoldering the 64K Bank0.
>