[rescue] Sun 3/160 and CADDStation 32 deskside

[Dave McGuire]

On 6/3/25 09:46, Alan Perry wrote:
>>> I am restoring a ComputerVision CADDStation 32 deskside and have some questions.
>>> 1. I am using a Sun 501-1164 (3/160) CPU board. It has 4M onboard. Will a Sun 32M memory board work with it? The memory is nominally a sun4 board but it works with my 3/260.
>>
>>   No, that board will definitely not work with a 3/100 processor.
>>
>>   It's not really a sun4 memory board; they were the correct (and only) memory boards for the 3/200 processor.
>>
>>   For a 3/100 processor, you must use 501-1132 4MB memory boards. There's supposedly a 2MB version, but I've never seen one in the wild.
> 
> The 32M board is not the only memory board for the 3/260. I got my first 3/260 from a guy who did he work on it from new and then acquired it when his employer retired it. It came with an 8M board.

   Yes, absolutely correct.  The 32MB board is the same design as the 
8MB board but using higher-density DRAMs.  I should've been more 
thorough, but..."morning".

             -Dave

-- 
Dave McGuire, AK4HZ
New Kensington, PA