82541PI(ER) and 82562GZ(GX) Dual Footprint LOM Design Guide
4
Application Note (AP-468)
Table 3. New Usage Modes
Mode
Benefit
Design Impact
Mode 0: 82562EZ(EX)
compatible.
No BOM changes necessary
for equivalent performance to
82562EZ(EX).
Equivalent functionality to the
82562EZ(EX).
Mode 1: LED configuration B and
single-pin LAN disable.
Usability and reduced BOM
cost.
Strapping resistors, LAN Disable circuit
and LED circuit design.
Mode 2: Same as mode 1,
except LED configuration C.
Usability and reduced BOM
cost.
Strapping resistors, LAN Disable circuit
and LED circuit design.
Mode 3: LED configuration B,
Single Pin LAN Disable, and
enhanced Tx mode
1
.
Usability, reduced BOM cost,
and stronger Tx drive strength.
Strapping resistors, LAN Disable circuit
and LED circuit design.
Mode 4: Same as mode 3,
except LED configuration C.
See footnote 1.
Usability, reduced BOM cost,
and stronger Tx drive strength.
Strapping resistors, LAN Disable circuit
and LED circuit design.
1.
Only use this mode if advised to do so by an Intel representative.