mp 1.1 boot fail

Hi, My Mac Pro 2,1 (upgraded from 1,1) decided not to fully boot up yesterday. It powers on but no chimes. The following Diagnosis LEDs light up on power up. LED 1 Trickle On (Yellow) LED 8 EFI (Green) All others are off. I've tried multiple reboots with the following. Swapped power...

Hello, a little history: In February 2019 I managed to upgrade old mac pro 1,1. I cleaned all dust away, got new CPUs, RAM, GFX card. My mac pro configuration is as follows: Mac Pro 2,1 (after firmware update) running el Capitan 2x Intel Xeon X5365 SLAED Radeon HD5770 1GB DDR5 4x FB-DIMM DDR2...

Hi all. I'm new here and, yes, I did search the threads but didn't find my specific issue, much less any resolutions. That said, forgive me for posting a tired old issue... I have been enjoying making music and videos with Logic Pro and FCP for about six years, first on a G5 PPC until it became...