the Trumpcard (Pro) 500 basically translates the side expansion port into two Zorro II slots - one of these slots hold the original Zorro II Trumpcard (Pro) 2000 while the other can accept any half length Zorro II board
place for a 3.5" hard disk inside
AMD 53C80
uses polled I/O, not DMA transfer
50 pin internal header
under Kickstart 1.2 autobooting must be disabled by a jumper
additional features of Trumpcard Pro:
RDB compatible
SCSI share networking
A-Max I and II drivers (ivs_SCSIpro.amhd)
supported by NetBSD
optional memory expansion (connects to the second Zorro II slot) - Meta 4
hard disk activity and power LED
connector for the optional external power supply (IVS Sourcer) - activated only when the Meta 4 board is installed, otherwise the TrumpCard takes power from the A500