Just for your information, I have an Amiga 2000 with a TF534 and I have :
A2091 SCSI card with 2MB fastmem on board, and CDROM - Works perfect
BSC Multiface III card (additional parallel and serial ports) - Works perfect
Amber card flicker fixer - Works perfect
A2091 SCSI card with 2MB fastmem on board, and CDROM - Works perfect
BSC Multiface III card (additional parallel and serial ports) - Works perfect
Amber card flicker fixer - Works perfect