| Date |
User |
Note |
| 2020-08-21 00:00:00 |
|
memtest error, see elog. K.O. |
| 2020-08-28 00:00:00 |
|
Busted LDOs -- AC |
| 2020-09-17 00:00:00 |
|
memtest error: DDR CSR#4 reads 0x6 (pll_locked and calibration failure). K.O. |
| 2020-09-17 00:00:00 |
|
memtest error: quartus memory toolkit: calibration error of DQS group 1: Read Calibration - Per-bit read deskew failure. K.O.
|
| 2020-09-17 00:00:00 |
|
some damaged voltage regulators replaced by D.B. |
| 2020-09-17 00:00:00 |
|
quartus memory toolkit also reported DQS 3 group error: Write Calibration - Per-bit write deskew failure. This error is gone now. K.O. |
| 2020-10-02 00:00:00 |
|
sent to Dorigo to replace DDR chips. |
| 2020-10-04 00:00:00 |
|
returned from Dorigo. no jtag. K.O.
|
| 2020-10-04 00:00:00 |
|
all voltages ok, vcxo oscillates, clock cleaner is active. K.O. |
| 2020-10-06 00:00:00 |
|
epcq nCS, DCLK, DQ0 voltages ok, no activity. K.O.
|