This is a quick one for the online notebook - got a request for the actual IC pins used for the UART.  Since it seemed confusing to call it something like the 334′th pin or the 8th pin on the 3rd side, we decided to post a quick pic.
It really is the 3rd pin on […]

As you probably know, we’ve been busy dumping the raw NAND page data of the SPMP8k to see what mysteries it holds.  The answer is, surprisingly: not many!  But that’s a good thing - mysteries deep in the ROM are not a good thing.
One interesting note is that there are three filesystems on the flash:
BOOTFS: […]

As you may have read in our first article about SPMP8000 hacking, this PMP has an easily-accessed serial port on the mainboard.  To better get to know your PMP and to jumpstart your own development efforts, you will want to get serial port access.
Through the serial port you can monitor startup messages and other interesting […]