Glad it worked not only for me! Some benchmarks on my SP 1,25 GHz MDD 2 GB RAM!
SD to IDE adapter on ATA-66 (would not work on ATA-100 for some reason). Fairly high class SanDisk micro SD card used.
Intenso 2.5 TOP 128 GB SSD on flashed Adaptec 1210SA.
Desoldered pin 8 (VCC) of the 24WC02 and the card changed identity to 1095:3112 and started to work (since I'd flashed it before). So, if you have a 1210SA and want it to work on a Mac, remove or disable the 24WC02!
So the answer to 1. is yes!
I have an Adaptec 1210SA that I flashed with the patched SeriTek flasher in OS 9. The flashing process went fine, the card was recognized by the flasher and the firmware was programmed. However, on reboot, the card behaves exactly the same as before the flash. It's not recognized by OS 9. I...