> On Aug 8, 2025, at 5:26 PM, ben <[email protected]> wrote:
>
> On 2025-08-08 2:23 p.m., Paul Koning wrote:
>>> On Aug 8, 2025, at 2:14 PM, ben <[email protected]> wrote:
>>>
>>> On 2025-08-08 11:52 a.m., Paul Koning wrote:
>>>
>>>> The 6600 max memory was 128k 60-bit words, which for those days was
>>>> admittedly quite large. No VM, though it did support relocation (base
>>>> address and field length, similar to the DEC KA10). Large RAM is nice but
>>>> I don't see what it has to do with RISC.
>>> It was DRAM in SIMM packaging, that let you have a fast memory bus off the
>>> cpu chip set.
>> You should spend some time looking at old machine architectures, because
>> what you say is very 21st century centric. An excellent intro is "Design
>> of a computer - the Control Data 6600" by J. E. Thornton. Available on
>> Bitsavers
>> https://bitsavers.org/pdf/cdc/cyber/books/DesignOfAComputer_CDC6600.pdf or
>> you can get the hardcover printed book.
> I need to read that.
> I like IBM's book, on the 7030,
> and Bell's Books,on the PDP computers.
> Three totaly different views, on computing.
I'm not sure which Bell book you mean, but there's Bell and Newell which is a
broad survey of computer architectures. One of the few square books I have
ever seen.
paul
