ATX64 SID CARD
With this card it is possible to control up to 8 SIDs (only new SIDs with 5V, not old 6581/8580).
Only one specific address range can be set for each card.
For example, at 0xD5XX, the 8 SIDs only respond to the addresses:
D500, D520, D540, D560, D580, D5A0, D5C0, D5E0