Couple of weeks ago I got some advice links of instructions from members of this forum to start my CC upgrade to 640x480. So far I did the HighRes 13" mode mod:
1-) cut trace @ ZP1, add jumper Pin-8 to Pin-10
2-) (No J78&J79) so I cut trace @ pin #20 of DB7
and add 4.7k resistor from the +5V out source to pin #20.
I planned to use the PPC6500's board for this project... but for testing purposes, I used the original CC mobo to test boot the system. System booted ok and (Control Panel/Monitors)shows 640x480 @ 16 bit as highest setting. (sceen distorted a bit & color is terrible), I guess due to the original mobo does not have enough power).
Could someone please help me confirm if I have done step 1 & 2 correctly.