Cool find!
$9346 in today's dollars is an eye-popping $24,675.
For 16mhz!
Interesting that the 851 is "XC". It's a early part and means it wasn't fully qualified at the time it was released.
Yes, more ram will increase startup time.
In OS9 you can disable the startup memory test.
I think that same option is available in 7.6.1.
https://happymacs.wordpress.com/2015/01/30/speed-up-mac-os-boot-time-turn-off-ram-tests/
Huh, fascinating. It looks like Chinese to me. Lots of stickers, like they were used for a long time and/or passed around.
Where did you come by these?
Also, maybe just a coincidence but there is a device called GL50B GPS asset tracker.
I wonder if these were used as a test/programming station.
What a great trove! Especially the Lisa/XL disks.
Quickmail, that takes me back. I still have work emails from the mid '90's in QM format.
I don't know know why.