So my T15 goes up to 20volts.
Doing well with -20c outside and -10c unheated storage. PCB Temp 10c
Code:
2019-01-11 00:09:30 driver-btm-soc.c:4084:open_core_bm1391: Start Open Core!!
2019-01-11 00:09:38 driver-btm-soc.c:4156:open_core_bm1391: End Open Core!!
2019-01-11 00:09:38 freq_tuning.c:291:freq_tuning_get_max_freq: Max freq of tuning is 550
2019-01-11 00:09:38 driver-btm-soc.c:1382:get_eeprom_total_hash_rate: total rate = 23255
2019-01-11 00:09:38 power.c:381:slowly_set_iic_power_to_working_voltage: slowly setting to voltage: 19.30 ...
2019-01-11 00:09:38 power.c:198:get_power_voltage_from_iic_value: iic_index for voltage[24] = 19.887610
2019-01-11 00:09:38 power.c:229:set_iic_power_by_iic_data: now setting voltage to : 20.000000
2019-01-11 00:09:39 power.c:198:get_power_voltage_from_iic_value: iic_index for voltage[31] = 19.770810
2019-01-11 00:09:39 power.c:229:set_iic_power_by_iic_data: now setting voltage to : 19.887610
2019-01-11 00:11:45 freq_tuning.c:1779:freq_tuning_pre_test_for_user_mode: Pre-test: done.
2019-01-11 00:11:45 freq_tuning.c:2840:do_pre_test_for_user_mode: Pre-test cost 59s.
2019-01-11 00:11:47 power.c:439:get_chain_voltage: chain[0], voltage is: 15.99
2019-01-11 00:11:47 power.c:439:get_chain_voltage: chain[1], voltage is: 15.98
2019-01-11 00:11:48 power.c:439:get_chain_voltage: chain[2], voltage is: 15.98
2019-01-11 00:11:48 power.c:462:get_average_voltage: average voltage is: 15.98
2019-01-11 00:11:48 driver-btm-soc.c:7889:bitmain_soc_init: Init done!
Increase frequency to 500.00M
2019-01-15 00:54:02 driver-btm-soc.c:4917:increase_freq_slowly:
Increase frequency to 510.00M
2019-01-15 00:54:03 driver-btm-soc.c:5982:set_timeout: freq 510 final timeout=462
2019-01-15 00:54:04 driver-btm-soc.c:8029:re_open_core: re_open_core done!
2019-01-15 00:54:04 power.c:415:slowly_set_iic_power_to_higher_voltage: slowly setting to voltage: 20.00 ...
2019-01-15 00:54:04 power.c:198:get_power_voltage_from_iic_value: iic_index for voltage[17] = 20.004410
2019-01-15 00:54:04 power.c:229:set_iic_power_by_iic_data: now setting voltage to : 20.000000
2019-01-15 00:54:05 power.c:198:get_power_voltage_from_iic_value: iic_index for voltage[17] = 20.004410
2019-01-15 00:54:05 power.c:229:set_iic_power_by_iic_data: now setting voltage to : 20.004410
2019-01-15 00:54:06 power.c:198:get_power_voltage_from_iic_value: iic_index for voltage[17] = 20.004410
2019-01-15 00:54:06 power.c:229:set_iic_power_by_iic_data: now setting voltage to : 20.004410
2019-01-15 00:54:07 power.c:198:get_power_voltage_from_iic_value: iic_index for voltage[17] = 20.004410
2019-01-15 00:54:07 power.c:229:set_iic_power_by_iic_data: now setting voltage to : 20.004410
2019-01-15 00:54:08 power.c:198:get_power_voltage_from_iic_value: iic_index for voltage[17] = 20.004410
2019-01-15 00:54:08 power.c:229:set_iic_power_by_iic_data: now setting voltage to : 20.004410
2019-01-15 00:54:09 power.c:198:get_power_voltage_from_iic_value: iic_index for voltage[17] = 20.004410
2019-01-15 00:54:09 power.c:229:set_iic_power_by_iic_data: now setting voltage to : 20.004410
2019-01-15 00:54:11 power.c:439:get_chain_voltage: chain[0], voltage is: 19.88
2019-01-15 00:54:11 power.c:439:get_chain_voltage: chain[1], voltage is: 19.87
2019-01-15 00:54:12 power.c:439:get_chain_voltage: chain[2], voltage is: 19.89
2019-01-15 00:54:12 power.c:462:get_average_voltage: average voltage is: 19.88
2019-01-15 00:54:12 driver-btm-soc.c:3787:check_system_work: low environment handler!
2019-01-15 00:54:12 driver-btm-soc.c:3788:check_system_work: low temperature reopen core and increase voltage 1 times!
2019-01-15 00:59:17 driver-btm-soc.c:1382:get_eeprom_total_hash_rate: total rate = 23255
2019-01-15 01:24:43 driver-btm-soc.c:3700:check_system_work: The avg rate is 23618 in 30 mins, PCB temperature between 9 ~ 40
2019-01-15 01:55:14 driver-btm-soc.c:3700:check_system_work: The avg rate is 23369 in 30 mins, PCB temperature between 9 ~ 40
2019-01-15 02:25:45 driver-btm-soc.c:3700:check_system_work: The avg rate is 23367 in 30 mins, PCB temperature between 9 ~ 40
2019-01-15 02:56:16 driver-btm-soc.c:3700:check_system_work: The avg rate is 23249 in 30 mins, PCB temperature between 9 ~ 40
2019-01-11 00:09:38 driver-btm-soc.c:4156:open_core_bm1391: End Open Core!!
2019-01-11 00:09:38 freq_tuning.c:291:freq_tuning_get_max_freq: Max freq of tuning is 550
2019-01-11 00:09:38 driver-btm-soc.c:1382:get_eeprom_total_hash_rate: total rate = 23255
2019-01-11 00:09:38 power.c:381:slowly_set_iic_power_to_working_voltage: slowly setting to voltage: 19.30 ...
2019-01-11 00:09:38 power.c:198:get_power_voltage_from_iic_value: iic_index for voltage[24] = 19.887610
2019-01-11 00:09:38 power.c:229:set_iic_power_by_iic_data: now setting voltage to : 20.000000
2019-01-11 00:09:39 power.c:198:get_power_voltage_from_iic_value: iic_index for voltage[31] = 19.770810
2019-01-11 00:09:39 power.c:229:set_iic_power_by_iic_data: now setting voltage to : 19.887610
2019-01-11 00:11:45 freq_tuning.c:1779:freq_tuning_pre_test_for_user_mode: Pre-test: done.
2019-01-11 00:11:45 freq_tuning.c:2840:do_pre_test_for_user_mode: Pre-test cost 59s.
2019-01-11 00:11:47 power.c:439:get_chain_voltage: chain[0], voltage is: 15.99
2019-01-11 00:11:47 power.c:439:get_chain_voltage: chain[1], voltage is: 15.98
2019-01-11 00:11:48 power.c:439:get_chain_voltage: chain[2], voltage is: 15.98
2019-01-11 00:11:48 power.c:462:get_average_voltage: average voltage is: 15.98
2019-01-11 00:11:48 driver-btm-soc.c:7889:bitmain_soc_init: Init done!
Increase frequency to 500.00M
2019-01-15 00:54:02 driver-btm-soc.c:4917:increase_freq_slowly:
Increase frequency to 510.00M
2019-01-15 00:54:03 driver-btm-soc.c:5982:set_timeout: freq 510 final timeout=462
2019-01-15 00:54:04 driver-btm-soc.c:8029:re_open_core: re_open_core done!
2019-01-15 00:54:04 power.c:415:slowly_set_iic_power_to_higher_voltage: slowly setting to voltage: 20.00 ...
2019-01-15 00:54:04 power.c:198:get_power_voltage_from_iic_value: iic_index for voltage[17] = 20.004410
2019-01-15 00:54:04 power.c:229:set_iic_power_by_iic_data: now setting voltage to : 20.000000
2019-01-15 00:54:05 power.c:198:get_power_voltage_from_iic_value: iic_index for voltage[17] = 20.004410
2019-01-15 00:54:05 power.c:229:set_iic_power_by_iic_data: now setting voltage to : 20.004410
2019-01-15 00:54:06 power.c:198:get_power_voltage_from_iic_value: iic_index for voltage[17] = 20.004410
2019-01-15 00:54:06 power.c:229:set_iic_power_by_iic_data: now setting voltage to : 20.004410
2019-01-15 00:54:07 power.c:198:get_power_voltage_from_iic_value: iic_index for voltage[17] = 20.004410
2019-01-15 00:54:07 power.c:229:set_iic_power_by_iic_data: now setting voltage to : 20.004410
2019-01-15 00:54:08 power.c:198:get_power_voltage_from_iic_value: iic_index for voltage[17] = 20.004410
2019-01-15 00:54:08 power.c:229:set_iic_power_by_iic_data: now setting voltage to : 20.004410
2019-01-15 00:54:09 power.c:198:get_power_voltage_from_iic_value: iic_index for voltage[17] = 20.004410
2019-01-15 00:54:09 power.c:229:set_iic_power_by_iic_data: now setting voltage to : 20.004410
2019-01-15 00:54:11 power.c:439:get_chain_voltage: chain[0], voltage is: 19.88
2019-01-15 00:54:11 power.c:439:get_chain_voltage: chain[1], voltage is: 19.87
2019-01-15 00:54:12 power.c:439:get_chain_voltage: chain[2], voltage is: 19.89
2019-01-15 00:54:12 power.c:462:get_average_voltage: average voltage is: 19.88
2019-01-15 00:54:12 driver-btm-soc.c:3787:check_system_work: low environment handler!
2019-01-15 00:54:12 driver-btm-soc.c:3788:check_system_work: low temperature reopen core and increase voltage 1 times!
2019-01-15 00:59:17 driver-btm-soc.c:1382:get_eeprom_total_hash_rate: total rate = 23255
2019-01-15 01:24:43 driver-btm-soc.c:3700:check_system_work: The avg rate is 23618 in 30 mins, PCB temperature between 9 ~ 40
2019-01-15 01:55:14 driver-btm-soc.c:3700:check_system_work: The avg rate is 23369 in 30 mins, PCB temperature between 9 ~ 40
2019-01-15 02:25:45 driver-btm-soc.c:3700:check_system_work: The avg rate is 23367 in 30 mins, PCB temperature between 9 ~ 40
2019-01-15 02:56:16 driver-btm-soc.c:3700:check_system_work: The avg rate is 23249 in 30 mins, PCB temperature between 9 ~ 40
Doing well with -20c outside and -10c unheated storage. PCB Temp 10c