DEC PWS 433a and Ethernet

Chris Price cprice@missing.its.to
Fri Jul 17 21:01:05 1998



	Hi;

	Been trying to get my ethernet device in my DEC 433a Alpha
workstation going for quite some time.
	
	Mainly my problem is to do with the lack of response from the
ethernet card at boot time. Only a RJ-45 connector is available on the
card interface, which is connected to a 10B-T network running at half
duplex.

	I guess I should start with an easy question:

	1) How do I detremine which chipset I have? I believe I have
either the 21142 or 21143, but am confused how to determine exactly which
one. The 'tulip-diag' program gives me the result of a 21142, so am I to
accept that answer (sometimes the obvious is not correct ;) )?

	Compiling and running the 'tulip-diag' prgram from the tulip
homepage gives me:

	tulip-diag.c:v1.03 5/20/98 Donald Becker
(becker@cesdis.gsfc.nasa.gov)
Chip Index #1: Found a DC21142 Tulip card at PCI bus 0, device 3 I/O
0x8800.
EEPROM transceiver/media description for the DC21142 chip.

Leaf node at offset 30, default media type 0800 (Autosense).
 5 transceiver description blocks:
   Serial transceiver for 10baseT (media type 0).
   Serial transceiver for 10baseT-Full Duplex (media type 4).
   Serial transceiver for 10base2 (media type 1).
   Serial transceiver for AUI (media type 2).
   MII interface PHY 0 (media type 11).
   MII PHY found at address 5, status 0x7849.
   MII PHY #5 transceiver registers:
   3100 7849 2000 5c01 01e1 0000 0000 0000
   0000 0000 0000 0000 0000 0000 0000 0000
   0000 0000 0000 0000 0000 0000 0001 8060
   8020 0c45 0000 3800 a3b9 0080 8005 001b.
   Use '-a' to show device registers,
       '-e' to show EEPROM contents,
    or '-m' to show MII management registers.

	Thanks for your help.

	Chris