1394A external device can't be recognized

techo

hi All,

is there any one had experienced 1394A external device can't be recognized under OS?

. {+ I% I. h# ]( VI encounter this kind of issue recently.
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! V: Y; [5 A$ KOS is Vista & XP.

1394A controller is Ricoh.

the situation is I could see the removable icon shown on the system tray but there is no device in OS device manager.

5 ?+ m# j0 O3 f4 P) Z$ l$ c& L1 Uindeed there are some differents but I don't know why.
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I wonder it's caused by BIOS but how to prove it?

is there any spec or document could let me refer to?

! i( C& ~0 u' t. XThanks anyway!