Ethernet Ram Test; Ethernet Ram Test Parameters And Error Codes; Ethernet Ram Test Parameters; Ram Test Error Codes - DEC DECstation 5000 Model 200 Maintenance Manual

Ethernet RAM Test

The Ethernet RAM test checks the Ethernet RAM's operation.
To run the Ethernet RAM test, type t x20 P1 and press Return.
When you use this command,
Replace x with the unit number of the Ethernet controller
you want to test.
Replace the optional parameter P1 with the address at
which you want the test to start.

Ethernet RAM test parameters and error codes

Table F-49 describes the parameters used in Ethernet RAM test
commands and error messages.
Table F-50 lists the error codes used in Ethernet RAM test
error messages.
Table F-49. Ethernet RAM Test Parameters
Parameter
P1
P2
P3
Table F-50. RAM Test Error Codes
Error Code
1
2
3
F–38 Test Commands and Messages Produced by Version PDE3 ROM Chips
Description
Ethernet RAM address from which to start test
Increment to move to next test address
Pattern read back from RAM
Description
First write operation to Ethernet RAM failed.
A read miscompare occurred on the first pass.
A read miscompare occurred on the second pass.