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Old 22 December 2021, 03:35   #15
Jpor
Banned

 
Join Date: Feb 2019
Location: United Kingdom
Posts: 404
Well. I thought I’d best update this thread.
So long story short; The 040 25mhz and XTAL were soldered to the board. So I left the 040 25 in and removed the original 50 MHz and put in some XTAL removable posts.
I have now fitted a 66mhz XTAL as well as a good heatsink on the CPU.
So far so good. The 603e appears to be working fine including the built in SCSI.
Benchmarking with sysinfo shows I’m 1.33 times faster than a 25mhz stock 040.
SCSI seems to have improved? The system appears to be slightly quicker and snappy, but this could be psychological.
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