82596DX Datasheet, PDF (77/77 Pages) Intel Corporation – HIGH-PERFORMANCE 32-BIT LOCAL AREA NETWORK COPROCESSOR

82596DX SX
mm (inch)
Detail J
Detail L
Figure 64 Typical Lead
290219 – 40
mm (inch)
290219 – 41
Figure 65 Detail M
REVISION SUMMARY
The following represents the key differences be-
tween version -005 and version -006 of the
82596CA Data Sheet
1 A description of the 82596DX SX C-stepping en-
hancements was added and the 82596DX SX
B-step information was removed
2 Recommendation to use only one type of buffer
(either Simplified or Flexible) in any given linked
list
3 Added detailed description regarding operation of
RCVCDT counter
4 Added New Enhanced Big Endian Mode section
The New Enhanced Big Endian Mode applies only
to the 82596 C-stepping
5 Added programming recommendations regarding
RU and CU Start commands These warn against
Starting the CU while it is Active and Starting the
RU while it is Ready
6 Emphasized that the TDR command is a static
command and should not be used in an active
network
7 Improved 82596DX SX C-step timings were add-
ed for all speeds
77