3Com EtherLink/MC Technical Reference Manual page 13

EtherLink/MC: A
Register Definitions
A-3
-RST
82586 Reset. (Read/Write) Clearing this bit will assert the 82586's RESET line.
The 82586 will remain in the Reset state as long as the -RST bit is low. This bit is
low upon power-up.
NOTE: the 82586 is also reset as long as the adapter is in the "disabled" state (see
Appendix B).
Reserved. This bit is reserved for future use. Readings of this bit are undefined.
This bit should be set to zero for normal operation of the adapter.
Register 7: EtherLink/MC Adapter Revision Level
7 6 5 4 3 2
1 0
I +RL3 +RL2 +RL1 ÷RL0
¢1
~11 ~1
I I
+RL(3, 0)
Revision Level. (Read Only) These four bits are available to indicate the software
compatibility revision level of the adapter. The initial version of the adapter's
revision code was F (hex). The gate array version of the adapter uses revision code E
hex.
Reserved. These bits are reserved for future use. Readings of these bits are
undefined. These bits should bet set to zero for normal operation of the adapter.