PicoBT Universal Miner Tester User Manual

PicoBT Universal Miner Tester User Manual

2022/12/12

PicoBT is a professional miner tester that can diagnose and repair more than 70 hash boards and 19 miner power models such as Innosilicon, Whatsminer, Antminer, Aixin, and Cheetah. Compared with traditional miner testers, PicoBT tester has unique features that can reduce the diagnostic time on faulty small parts by at least 10 times and increase the accuracy of diagnosis by 4 times. In addition, it is a maintenance tool integrating the EEPROM editor and tester.

II. Hash board tester operation guide

PicoBT tester function button

① Program Port: Copy, flash and save EEPROM content for Whatsminers and Antminers.

② Antminer Hashboard Port: used to connect the Antminer hash board to be tested; please use the 2*9 data cable to connect to this port of the tester. The supported Antminer hash board models are as follows:

S9, S9i, S9j, S9k, S9se, L3+, T17, T17+, T17e, T17pro, S17, S17+, S17e, S17pro, S11, T19, S19, S19pro S19j, S19Jpro, S19A, S19Apro, S19_88

Note: If you want to test the T9+ hash board, connect the T9+ hash board to the tester according to the picture below.

hash board connection ports

③ Whatsminer Hashboard Port: used to connect the Whatsminer hash board to be tested; please use the 2*7 data cable to connect to this tester port. The supported Whatsminer hash board models are as follows:

M20, M20, M21, M21, M30, M30+, M30++, M31, M31+, M32, M32 and other springboards with these chips: KF1920, KF1921, KF1922, KF1930, KF1950.

Note: If you want to test the M3 hash board, connect the M3 hash board to the tester according to the above picture.

④ Input voltage: To turn on the tester, connect a standard "ATX 6 pin Male" cable to this connector interface. The interface allows voltages from 8-21V. Ensure the cable polarity (+ and -) is correct when plugging it in.

data cable polarity

⑤ On/Off switch: you can use this switch to turn the tester on and off.

⑥ Scope Connector: this port is used to connect the "oscilloscope probe" to detect the chip health status of the connected hash board.

⑦ Innosilicon Hashboard Port: used to connect the Innosilicon hash board to be tested; please use the 2*7 data cable to connect to this port of the tester. The supported Innosilicon hash board models are as follows:

T1, T2, T3, T3+, S3, S3+, T3H, A4, A4+, A6, A6+, T2T, T2T+, T2Ti, T2Ts, T2Tz, T2Tzs, T2Tzu, T2Tza, T2Th, T2Ths, T2Thm, T2Thf, T2Th+, T2Ths+, T2Thm+, T2Thf+, T2Thl+, L1, L2, L2HU, L2HF, L2HL, L2HS, T1H.

⑧ Cheetah, Aixin Hashboard Port: used to connect the Cheetah, Aixin hash board to be tested; please use 2*9 data cable to connect to this port of the tester. The supported hash board models are as follows:

A1, Q3, F1, S5.

PicoBT tester PSU ports

① Whatsminer PSU Port: supported Whatsminer PSU test models include: P20, P21, P21E, P21D, P221C, P222C;

② Antminer PSU Port: supported Antminer PSU test models include: APW8, APW9, APW9+, APW12;

③ Cheetah, Aixin PSU Port: supported PSU test models include: TT240015P (A1), HQ2500-A02 (Q3);

④ Innosilicon PSU Port: supported Innosilicon PSU test models include: G1138(T2), G1240(T2Tz), G1266(T2Th), G1286(T2Th+), G1306(T3+), QB2412-B(T2Tz), QB2412-C( T2Th).

II. Hash board tester operation guide

Before entering the hash board tester mode, you need to connect the voltage cable and the tested hash board to the tester and then press the On/Off switch, and you can see the following interface:

hash board category

After entering the page, we will see three types of hash boards: Antminer, whatsminer, and Innosilicon. Use the tester's green and blue buttons to select the type and model of the hash board we need to test.

In this test, we take the S17 hash board as an example to explain the operation. After selecting the S17 hash board, press the white button to enter the S17 analyzer page, as shown in the figure below:

S17 analyzer page

In the picture above, you will see the name of the selected hash board, the link port of the tester, and how the different keys work.

1. Antminer hash board

In the picture above, we can see the working status of each button in Note3, as shown below:

PSU: Press the PSU button to enable S17 PSU (APW9 with 19V, you need to use a PSU cable to connect the tester and PSU.

MOD: Select the test mode by pressing the MOD button. S17 has 2 test modes: Mode 1 and Mode 2.

ONE: If you toggle this button, it will change to 999. This means how many times you want to test the hash board. Once or repeat 999 times.

PIC: If you toggle this button, it becomes PC0 and PC1. If PC0 is selected, the tester enables the PIC microcontroller in the hash board, turns on the MOSFET in the hash board, and makes the current flow into the hash board. In this case, the RST signal remains at 0Vv in the hash board. If PC1 is selected, the PIC microcontroller in the hash board will be enabled, but the RST signal will remain high (1.8v on the test point). If you choose PIC, it will turn off the MOSFET in the hash board.

Note: If you select PC0 or PC1, test the hash board with the 999 option; the PIC of the selected hash board will turn on as long as you test it. Otherwise, PIC will be turned on and off for each test.

Back: If you press the back button, you will return to the page where you selected the hash board.

TEST: After adjusting the PSU, MOD, and ONE options, you can press the TEST button to test the hash board.

After testing the hash board, you will see the following test results on the screen:

S17 test result page

Note 4 indicates how many times the tester has tested the hash board;

Note 5 indicates how many chips the selected hash board should have under healthy conditions;

Note 6 indicates how many healthy chips the tester has detected from the first ASIC to the front.

Note 7 indicates how many healthy chips the oscilloscope has detected from the last ASIC to the reverse signal test point of any chip connected by the oscilloscope probe.

Note: You must connect the + pole of the oscilloscope probe to the RI/RO (Antminers) or TX (Whatsminers)) signal of any chip, and connect the negative pole of the scope to the negative pole of that chip)

chip test point

1) Antminer hash board test mode

The PicoBT tester has different test modes for each hash board, as shown in the picture below:

different test modes for Antminer

The acceptable input voltage of the Antminer hash board is shown in the figure below:

Antminer hash board input voltage

2) Test result display

A. Tested hash board: T17

Test Mode: Mode 1

Test number: 999

Test results: 30 healthy ASICs detected

24 healthy ASICs were detected using an oscilloscope probe placed in "chip number 12"

The input voltage is 15V

T17 Mode 1 result

B. Tested hash board: T17

Test mode: Mode 2 (ASIC test, display the temperature of 4 chips and their coupled external temperature sensor)

Test number: 1

30 healthy ASICs detected

The input voltage is 15V

T17 Mode 2 result

C. Tested hash board: T17e

Test mode: Mode 3 (display domain voltage)

Test number: 1

The input voltage is 17V

T17e Mode 3 result

2. Whatsminer hash board

In this test, we take the M21 hash board as an example. After selecting the hash board model, press the white button to enter the M21 analyzer page, as shown in the figure below:

M21 analyzer page

In the picture above, you can see the name of the selected hash board, the link port of the tester, and how the different buttons work.

The specific button working status is as follows:

MOD: Press the MOD key to select the test mode. For example, M21 has two test modes: Mode1 and Mode2. (See Whatsminer hash board test pattern diagram)

ONE: If you toggle this button, it will become 999. This means how many times you want to test the hash board. Once or repeat 999 times.

RST: If you toggle this button, this causes the reset signal across the hash board to go from 0 volts to 1.8 volts. Using this option alone, you can test the health of the RST signals of all chips in the hash board.

Return: Long press the return key to choose to return to the Hash board page.

TEST: After adjusting the MOD and ONE options, you can press the TEST key to test the hash board.

diagram of switch key

After the test is completed, you will see the test results as shown in the following figure:

M21 hash board test result

Note 1: Indicates the number of times the tester tested this hash board.

Note 2: Shows how many chips the selected board should have when healthy.

Note 3: This number shows how many healthy chips the tester detected from the first ASIC to the front end.

Note 4: This number shows how many healthy chips have been detected since the last time the ASIC tested the forwarded signal to whatever chip you connected the scope probe to. (It is necessary to connect the + terminal of the scope probe to the RI/RO (Antminers) or TX (Whatsminers) signal of any chip and the negative terminal of the scope to the negative terminal of that chip). As shown below:

chip test point

Note 5: This number represents the value of the temperature (Celsius) sensor on the instrument panel.

Note 6: The chip model from the EEPROM on the hash board is shown.

1) Whatsminer hashboards test mode

The PicoBT tester has different test modes for each hash board, as shown in the picture below:

Note: Mashup boards with KF1950 chips can be tested on the tester using the M31 option.

Whatsminer hash board test modes 

Mode1:

1) ASIC test (in forward direction)

2) ASIC test (in reverse direction) using scope probe

3)Showing chips model in EEPROM

4) Showing external temp sensor value

Mode2:

1)Testing READ CHIPS MODEL command for chips (KF1921, KF1921, KF1922, KF1930)

Whatsminer chips test result

The acceptable input voltage of the Whatsminer hash board is shown in the figure below:

input voltage of Whatsminer hash board

3. Innosilicon hash board

In this test, we take the T2Tz hash board as an example. After selecting the hash board model, press the white button to enter the T2Tz analyzer page, as shown in the figure below:

T2Tz analyzer page

In the picture above, you can see the name of the selected hash board, the link port of the tester, and how the different buttons work.

The specific button working status is as follows:

MOD: Press the MOD key to select the test mode. For example, T2Tz has three test modes: Mode1, Mode2, and Mode3. (Refer to the Innosilicon hash board test pattern diagram)

ONE: If you toggle this button, it will become 999. This means how many times you want to test the hash board. Once or repeat 999 times.

PSU: You can enable the T2Tz PSU (19v) by pressing the PSU button. (You must have a PSU data cable connection between the tester and the PSU)

Return: Long press the return key to choose to return to the hash board page.

TEST: After adjusting the MOD and ONE options, you can press the TEST key to test the hash board.

If you choose mode 1 after you have tested the hash board, you will see the following test results on the screen:

T2Tz mode 1 test result

Note 1: This number indicates the times the tester tested this hash board.

Note 2: This number shows the total number of chips for the selected hash board.

Note 3: This number shows the number of detected healthy chips.

Note 4: This number shows the exact number of WEAK chips.

Note 5: This figure shows the exact number of damaged chips.

If you choose mode 2, after you test the hash board, you will see the test results on the screen as below. In mode 2, you can see the temperature of each chip.

T2Ti mode 2 test result

The temperature of all chips of the T2Ti hash board is shown above. In addition, you can also see the chip model, the number of healthy chips detected, the average temperature, and the temperature of each chip.

The temperature of each chip is as follows:

T2Ti chip test result

If you choose mode 3, after you test the hash board, you will see the following test results on the screen:

Note: If you test the hash board under MODE3, you can choose the level of test accuracy, you will see 4 numbers in the left column of the screen, indicating how many chips are determined in these categories (chip models).

T2Tz mode 3 test result

Note 1: This number indicates the category (chip model 1)

Note 2: This number indicates the category (chip model 2)

Note 3: This number indicates the category (chip model 3)

Note 4: The number here indicates the category (chip model 4)

Note 5: By pressing the right blue button, you can choose the accuracy level of the jumper board test. The 5 levels are: LOW, MED, NOR, HIH, FUL

Note A: If the chip is identified as chip model 1, the numbers in this section are for the damaged chip (first 15 numbers).

Note B: If the chip is identified as chip model 2, the numbers in this section are (the first 15 numbers of the broken chip).

Note C: If the chip is identified as chip model 3, the numbers in this section are for the damaged chip (first 15 numbers).

Note D: If the chip is identified as chip type 4, the numbers in this section are for the damaged chip (first 15 numbers).

1) Innosilicon hash boards test mode

The PicoBT tester has different test modes for each Innosilicon hash board. As shown below:

different test modes for Innosilicon

The acceptable input voltage for Innosilicon hash boards is shown in the figure:

Innosilicon hash board input voltage

III. PSU tester operation guide

To enter PSU tester mode, first, connect the input voltage cable to the tester (The on/Off switch must be Off). When you press and hold the white key for 2 seconds, turn on the switch. You will see a new page like this:

PSU tester mode

Now press the red key to enter the PSU tester. You will see the Power Tester page below:

Power Tester page

You can select the desired PSU by pressing the green key as shown in the image above. After selecting the PSU, you can press the white key to turn the PSU on and off. Also, additionally, you can press the 3TIM key every 2 seconds to switch it on and off 3 times repeatedly.

Note: You can enable all Innosilicon PSUs by selecting the "T2T15.0v" option.

IV. EEPROM editor operation guide

Copy, flash, and save EEPROM content for Whatsminers and Antminers; you can permanently save 4 EEPROM data in the PicoBT tester.

To enter the EEPROM editor, connect the input voltage cable to the tester (the On/Off switch must be closed). Press and hold the white key for 2 seconds to turn on the switch. You will see a new page on your display, as shown below:

EEPROM editor mode

Now press the white key to enter the EEPROM editor. Below you will see the following EEPROM editor page:

EEPROM editor page

Note 1: If a connected hash board is selected, (past) data can be copied or programmed to the hash board connected to the tester.

Note 2: Any data copied from the hash board or the data of the 4 permanent memories will be temporarily saved in the temporary memory.

Note 3: There are 4 permanent memories on the tester; you can save 4 EEPROM data in these memories.

Note 4: Any data you copy from any option will appear here.

Note 5: You should choose WTS or BIT option by pressing this blue key. If the hash board is "Whatsminer," choose WTS; if the hash board is "Antminer," choose BIT.

You can select a memory by pressing the green key on the tester, the red key to copy the content of any selected memory, and the white key to paste the content of any selected memory.

V. Activation tutorial of PicoBT test fixture

Please follow the steps below to correctly activate the PicoBT test fixture:

1. Insert one end of the DuPont cable into "② SWCLK", "④ SWDIO", "⑤ or ⑥ GND", "⑨ or ⑩ 5.0V" of the programmer.

PicoBT Upgrade Kit

2. Download the STM32 ST-LINK Utility software and install it on the computer.

STM32 ST-LINK Utility software

3. Insert the ST-LINK V2 programmer into the computer, and then connect the other end of the Dupont cable to the SWDIO, SWCLK, GND and 5V pins of the test fixture.

PicoBT dupont

4. Click the icon 1 on the STM32 ST-LINK Utility software to start connecting the test fixture.

5. Click the icon 2 to start loading the new firmware (with Hex format)

6. Click the icon 3 to start programming. When "OK" appears on the interface of the STM32 ST-LINK Utility software, it means that the test fixture has been successfully activated. At this time, the tester will also restart.

PicoBT test result

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