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The diag area in the ROM is a little odd; it causes both .device drivers to be copied to RAM (and relocates them). Whereas it would have saved memory and been faster on chip-RAM-only machines to just copy the resident tags, leaving the actual code to run from ROM.
That's why there are two ComspecSCSI.device entries in the device list. But the ComspecHD init routine does nothing if on Kickstart 1.3 and running from $F0xxxx, which is why there's only one ComspecHD in the device list in the pic above. I wonder if the later-version ROM (see SA-2000 thread) fixes that?
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