Antminer s9 hash board repair guide. S9 Hash Board Repair Guide Manual - ZH-CN - Es.


Antminer s9 hash board repair guide One PCI‐e connector is located on the controller. s11 所用的 bm1387bf芯片为低电压芯片,所以整机功耗算力比比s9系列有很大提升。 3. All products undergo rigorous testing before they leave the factory. Whatsminer M30 Series M31 Series Hash Board fixed a problem when antminer could hang during autotune or when a timer is triggered. And you can always contact us by WhatsApp, email, or leave messages you have any (technical) questions View and Download Antminer S9 repair manual online. With our repair tools, even a novice can Jan 26, 2019 · How to Repair Antminer S11 Hash Board? Antminer S11 Hash Board Repair Guide. 5. Explorar. Here Log File Numbering: In the log files, hash boards are typically numbered starting from zero. Sale With the help of this comprehensive repair guide, you can get your Antminer S17+ back in working order! This article describes typical Antminer S17+ hashboard problems and offers detailed Go to the problem hash board’s advanced settings and try reducing the frequency and raising the voltage to at least 9. Firmware & Tool . More than a year ago. Platform requirements: Anti-static repair workbench (It must be grounded), We have collected a large number of troubleshooting and repair guides with Bitmain Antminer S19 series to help you approach the various problems. On this page, you can download all the needed manuals. Understand how ASIC count influences mining performance. ASIC Miner Repair Guide. Figure 4-5 . Repair work related to soldering, complete replacement of parts and components of ASIC miners and other works using special equipment. Sign In Upload. Preparation Deng Yi Contents of this brochure The main story S9 Troubleshooting of various faults in the Operation Board how to Apr 20, 2020 · Antminer S9k S9se Repair Guide Manual Download S9se Hash Board Repair S9k Failure Hash Board Chip Replacement Repair S9k S9se Miner Repair Guide Hash Jan 22, 2021 · Kindly note certain events may require an R. When the hash board breaks, the whole section can quickly go down, so BITMAIN Antminer S9,ijk, S15 S17 S17+ L3+ T9+ T17+ Z11 Hash Board Repair MANUAL (#224608467394) n***o (56) - Feedback left by buyer. To connect the power supply: Avalon 3300W/3600W Power Supply Repair Manual; Whatsminer M34S VE10 Repair Guide; Whatsminer M30 Series M31 Series Hash Board Repair Manual; Antminer D7 S9 series ANTMINERs low hash rate Created December 17, 2017 07:20; Updated June 05, 2023 10:57; All hash boards show zero hash rate (this can also be a hashboard We sell second-hand Antminer S9 hash boards at reasonable prices and higher quality. Provide used replacement unit. 4. Maintenance Platform/Tool/Equipment Preparation Requirements. We repair and diagnose hashboards, EEPROM flash Antminer-S9-hash-board-Repair-guide. Therefore, THANOSMINING evaluates and teases out the vulnerable parts of the model. The hash boards may operate at the limit of their capability if they are What is a hash function in cryptography? a beginner’s guide Whatsminer m1 hash board repair guide Antminer z15 hash board repair guide [en] Miners bitmain antminer s9 How to Repair Antminer S17e Hash Board? Antminer S17e Hash board Repair Guide [EN] Version date: 2019. The BM1366 chips used in the BHB56902 hash board operate at a domain Bitmain Antminer S9 replacement hash board. 26 File Category: Maintenance Plan 01, confirm the cause of . For example, "Chain 0" refers to the first hash board, "Chain 1" refers to the second, and so on. Trust our experts for How to Repair Antminer S19 Pro Hash Board? Antminer S19 Pro Hash Board Repair Guide [EN] I. You can refer to the repair principle of Antminer S9: Click to watch: Antminer S21 T21 Hash Board Repair Guide. 1. Ultrasound cleaning of the hash board and heat sinks from dirt and dust, However, the control board of S9 and T9 is not compatible with T9+. 7. Working structure of S19 XP hash board: The S19 XP hash board is composed of 110 BM1366 chips, which are divided 11 domains, and each In the process of repairing Antminer S9, it is often necessary to measure the ground value of the LDO on the hash board. Comprar. Antminer S9 and S9i hash board repair guide overview and download (Antminer S9 and S9i hash boards are the same, and the maintenance methods are also the same) Antminer S9 Hash Board Repair Guide (1) - Free download as PDF File (. We 1. Our guide offers insights for informed decisions and optimal the S9 model board under repair and 1 S9i video board. Check if the number of chips is enough: If the number of chips is not enough, 图 4、S9 Key circuits on the front of the Operation board Note that: Because the version of the S9 computing board is not exactly the same, the LDO-1. 3 board, the 1. 9 File Category: Maintenance Plan Content of this View and Download Antminer S9 repair manual online. 8V power supply of the early voltage Bitmain Antminer S21 hydro repair guide is used to solve and troubleshoot problems such as no hash rate, low hashrate, control board failure, missing chain, temperature error, Testing each hash board > Repair my S9. Manuals; Antminer AntMiner S9 Repair Manual (21 pages) Brand: Antminer S9 series (S9, S9i, S9j, S9 Hydro) Control Board Program Recovery. Los estudiantes compartieron 22 documentos en este (电源输出是否与治具config文件设置一致,不同的BIN等级、芯片封装方式需对应单板测试治具程序的config及single-board-test文件) 三、原理与结构: 原理概述 1. Hash board is the most likely part of the miner to fail during operation. The boards have some differences from the circuits in the guide but they get you on the right track. Antminer S9 Hash Board Repair Guide - zeusbtc. Limited Time Sale Easy Return. 8v,制具在刚发送work时,co因为是负极性,所以直流电平会被拉低的情况,瞬间电压为1. Demand for common Antminer S17 Hash Board Repair Guide. 8v,运算时,此电压异常或过低都会导致运算板异常或者算力为0的情 Maintenance method refers to the report of 0 situation of S9. By THANOS MINING March 19th, 2020. Home > ASIC Miner Repair > Antminer Parts > Hash Board > Antminer s9 hash board. Antminer T17+ Hash Board Repair Manual By THANOS MINING November 6th, 2020 Mainly describe how to troubleshoot various faults of the T17 + hashboard, and explains Bitmain AntMiner S9 Pdf User Manuals. 5v左右。 ri:1. 一、 维修平台要求: 1、恒温烙铁(350 度-400 度), 尖头烙铁头用于焊贴片电阻电容等小贴片。 2、热风筒用于芯片拆卸焊接,注意不要长时间加热以免pcb. Common bad Here’s another bit of info I’ve gleaned from the repair guide and from working with S9 hashboards. 12 in stock. Pin drive current: 16A 7 PLL_VSS PLL ground 8 PLL_VDD PLL power There are 6 solid capacitors 330 30V on the whole board, 5 on the right side of the front of the hash board, and 1 on the left side. Skip to main content Shop by category BITMAIN Antminer S9 S9K S11 S15 T9+ Get the best deals for Antminer S9 Hash Board at eBay. Platform requirements: Anti-static repair Antminer S19j Pro Aluminum Hash Board Repair Guide. 9 and 10 belong Maintenance method refers to the report of 0 situation of S9. 2 Antminer S9 T17 S17Pro ASICMinerParts C00ZJ009120 V1. Antminer S9 13. Each Antminer S9 is equipped with three such boards, each densely populated with BM1387 chips . Troubleshooting . Maintenance Platform/Tool/Equipment Preparation Requirements ※The Solder paste column M705, flux, board washing water with absolute alcohol; board washing water is used to clean up the solder residue after repair; thermal gel (specification: Solder paste column M705, flux, board washing water with absolute alcohol; board washing water is used to clean up the solder residue after repair; thermal gel (specification: ZEUS MINING provide professional Antminer D3 hash board repair guides for all mining enthusiasts, so that you can quickly find faults and reduce losses when repairing the hash board. Thermal conductive paste, used to apply on the chip / heat sinks after repair. Version date: 2019. com. 8V. The S19 XP hyd maintenance manual solves hash rate abnormalities, circuit failures, control board failures and other issues through IV. Repair platform / tools / equipment requirements: 1. Use the 19 series hash board tester SD card swiping program for the first time to update the hash board tester control board FPGA, unzip it and copy it to the SD card, and How to properly troubleshoot and repair the Bitmain Antminer S9 series? According to information collected by ZEUS MINING sales from customers, the cost of repairing an S9 hash board in the United States can be The whole miner is mainly composed of 3 hash boards, 1 control board, APW12 power supply, and 4 cooling fans, as shown in Figure 4-5. Version: 2018. Maintenance platform/tool/equipment preparation requirements ※ The copyright of this article How to Repair Antminer S17+ Hash Board? Antminer S17+ Hash Board Repair Guide. Also for: Antminer s9. Reddit // Facebook // Twitter // Youtube: Facebook; Antminer L3+ hash board repair guide download address: Click to download: L3 + Repair guide manual [CHS] Click to watch: Antminer S9 Hashboard repair video tutorial. Как отремонтировать хеш-плату Antminer S9? Contents of this brochure:The main story S9 Troubleshooting of various faults in the Operation board,how to use the test box for accurate Antminer L3+ Hash board Repair Guide [Bob Version] The S7 and S9 hash boards are not running this signal is the highest priority, and searching for this signal is the priority. Larger capacity MicroSD cards are not Product description: Bitmain Antminer S9 Control Board Parts Bundle ZEUS MINING has sorted out some waering parts of the Bitmain Antminer S9 control board with professional ThanosMining sells new and used Bitmain S17+ hash board, and also provides Antminer S17+ hash board repair service, Repair Guide . The document provides guidelines for troubleshooting and repairing faults on the S9 operation board, including Navigating through the complexities of Antminer S9 maintenance, specialized repairs on hash boards and power supply units (PSUs) stand as crucial for maintaining peak performance. Repair platform / Tools / Equipment Preparation Antminer S19K Pro BHB56902 Hash Board Repair Guide; How to use PicoBT multifunctional tester to test the Antminer S9 hash board | PicoBT tester manual. Pinterest. Guia reparacion atminer. P or registration. Notice Recently, our Professional cleaning and maintenance for your Antminer, IceRIver and Whatsminer hash board. The Antminer S17 is a profitable piece of hardware (at This guide mainly describes the Antminer S17 hash board repair and how to use the test equipment for precise positioning. Ⅴ. zeusbtc. US based Antminer S19 Repair Service. Note: the 3 chips in 1 voltage domain belong to 3 signal chains. S9 Hash Board Repair Guide Manual - ZH-CN - Es. asp A quick fix for antminer S9 missing/not showing hash-board ! no skills needed :D Bitcoin Forum: January 13, 2025, 10:03:57 AM: Welcome, Guest. txt) or read online for free. 起 Antminer S9 Hash Board Repair Guide [EN] | Zeus Mining Hash board is the most likely part of the miner to fail during operation. S. com/NewsDetails. 07. Materia. Based in USA - We can repair all things crypto, including antminer l3+ hash board repair, antminer s9, Although the Antminer S9 is an old model, it still has good economic benefits and is worth repairing. Right now, the biggest unknown is how I would get the Antminer Z15 Hash Board Repair Guide [EN] Contents of this book: It mainly describes the troubleshooting of various faults of the Z15 hash board, and the accurate positioning using the test fixture. 2 Test Jig with power supply. Platform requirements: After the repair, the hash board must be passed ANTMINER; PSU; Repair Materials & Equipment; ANTSPACE; Related Readings; Instructions for Setting up Your New S19 Control Board; Parts & Materials Ordering Notes and Warranty co:1. How to Repair Antminer S19 Hash Board? Antminer S19 Hash Board Repair Guide [EN] I. Antminer L7 Structure: - Composed of 3 hash boards, 1 control board, APW12 power supply, and 4 cooling fans. 5 and J Replacement Hashboard (NOT FOR I / K models) quantity provide product Antminer S19XP hydro 257TH/s is an efficient Bitcoin miner. Common Faults and Looking for a Bitmain Antminer S9 Hashboard Repair Parts Bundle? We have the parts you need to fix your broken hashboard! This bundle includes 20 of each of the following: PIC16F1704, ThanosMining sells new and used Bitmain Antminer Hash Board, for Bitmain Antminer L3+,S9,e9,S15,S17,S19,L7, Antminer HashBoard Repair. Quickly resolve issues like no hashrate, chip errors, Breathe new life into your Antminer S9 with our Refurbished Replacement Hashboard. Platform requirements: Anti-static repair workbench Antminer S9 Manual / Test Fixture With User Guide Video Hash Board Tester For Antminer S9 S9i S9j T9 T9 Replace Chip Bm1387 Bm1387b Nbtc Replacement Parts Accessories Aliexpress / - Drawing Welter Bm1387 Ten PCI-e connectors are located at the top of the AntMiner S9 for connecting the PSU as follows: Nine PCI-e connectors for the hash boards. We Antminer S9k S9se Repair Guide Manual Download S9se Hash Board Repair S9k Failure Hash Board Chip Replacement Repair S9k S9se Miner Repair Guide Hash Board Yes, I have the repair guide. V. 00. BO signal: Antminer E3 Hash Board Repair Guide [EN] 1. Great item, fast delivery and great Bitmain Antminer S19a pro bitcoin miner repair manual, if the S19a pro hash board has 0 hash rate or low hash rate, missing chain, abnormal temperature and other faults, Topic: Antminer S9 dead hash board repair needed (Read 5143 times) Rumipl (OP) Full Member Offline Activity: 261 Merit: 100. The serial port connection is the same as BITMAIN Antminer S9 S9K S11 S15 T9+ Hash Board Repair Manual. This video shows how to test the gro You can also choose the simple and convenient Bitmain Antminer hash board repair bundle, which includes the necessary Antminer repair tools. Once order is made you can request a hard copy to be mailed. Contents of this video Easily damaged parts link 图 4、S9 Key circuits on the front of the Operation board Note that: Because the version of the S9 computing board is not exactly the same, the LDO-1. They are divided into 21 groups of 3. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Sharing and using the Bitmain Antminer S21 Pro hash board repair guide to solve and troubleshoot problems such as 0 or low hash rate, control board failure, missing chain, Bitmain Antminer S19j pro+ repair manual is used to guide how to repair and troubleshoot the BHB42611 hash board that stopped mining. 11. 起 Antminer S9 Control Board. Bitmain Antminer Repair Services. Contents of this video Easily damaged parts link:00:00 - 00:21 Video conte Post-Repair Testing: Power up the Antminer S9 and conduct a series of tests to ensure the board is functioning correctly. : mainly about the fault checking Antminer S19 Pro+ Hydro Hash Board Repair Guide. I. S9 Guía de mantenimiento de la placa de operación Redactado Antminer S9 hash board repair and fault diagnosis video tutorial(Including how to use test fixture). Chain0 represents the No. Verified purchase. Download Table of Contents Page 8 S9 Operator Board Maintenance Instructions 10、IO The Antminer S9 Hydro Hash Board Repair Manual Keywords: Antminer S9 hydro hash board repair tutorial Created Date: 5/9/2022 10:45:56 AM Hash Board: The heart of the Antminer S9’s mining capabilities lies in its hash boards. b. View online or download Bitmain AntMiner S9 Installation Manual. 18 Doc. Antminer S9 dead hash board repair needed. Common Fault Phenomena and Troubleshooting Steps for Hash Board Phenomenon 1: Single-Board Test Antminer T17 hash board repair guide download address: Click to download Antminer T17 Hashboard Repair Guide. The MicroSD card recommended capacity 4GB or 8GB. If one chip has problem or is not installed properly, it The figure below marks the specific distribution of each ASIC chip on the front and back of the Antminer S19 hash board: Antminer S19 hash board has 2 boost circuits, the 21V boost circuit is used to turn on the 4 MOS tubes; the 19V 范围:适用有s9维修经验者. Platform requirements: Anti-static repair workbench (the workbench needs to The Antminer S19j Pro hash board is composed of 126 BM1362 chips, which are divided into 42 groups (domains), and each group is composed of 3 ICs; the operating voltage The fault standard and troubleshooting of T9+ complete miner test refer to S9. A single L7 miner has three hash boards, and a single hash board consists of 120 BM1489 chips. Control Board Numbering: On the physical control The hash board is composed of 120 BM1489 chips, which are divided into 24 domains, and each domain is composed of 5 ASIC chips; the working voltage of the BM1489 Explore Antminer hash boards and their vital ASIC configurations. Hash Board Constant Temp Test Fixture For S9 series, T9 series, S11, V9, 15 series, S17, S17 Pro and T1 Hashboard repair: Summarize all easily damaged parts on the Antminer S19 + hash board. You can also The new Antminer L7 hash board is used to repair and replace the old, faulty Antminer L7 hash board. The Antminer S17 is a profitable piece of hardware (at How to repair antminer T17 Hashboard and repair guide manual download This version contains the basic circuit schematic diagram and chip signal direction and voltage Each hash board has three PCI‐e connectors. Our refurbished hashboards, more reliable than new, straight from the manufacturer, are designed Antminer T9+ hash board repair guide download address: Click to download: Antminer T9 + Hash Board Repair Guide. What's included: 1. 6-1. Antminer S9K S9SE Hash Board Repair Guide. 2 and power adapter cable (made by yourself: use thick copper wire for the positive and negative poles of the power supply to connect Reason: The temperature detector is damaged on one of the hash boards that lead to the other two hash boards to have the issues on temperature display as well. BO signal: 0V, this signal means that when the chip detects Ri return signal in a normal state, it can be pulled to high level, Sharing and using the Bitmain Antminer S21 Pro hash board repair guide to solve and troubleshoot problems such as 0 or low hash rate, control board failure, missing chain, high US based Antminer S19 Repair Service. The document provides guidelines for troubleshooting and How to Repair Antminer S9K S9SE Hash Board? Antminer S9K S9SE Hash Board Repair Guide. Please login didn't really save any kernel Bitmain Antminer S19 hydro repair manual is used to repair hash board faults, such as ASIC 0, hash board power supply abnormality, no hash rate, control board failure, PIC abnormality, Hi guys Zeus Mining has recently put together some repair guides for new ASIC miners and has updated the content regarding the Antminer S19 Pro+ Hyd hash board. 2in1 fixture tools repair antminer s9 and t9+ hash board english repair manual. The new PicoBT miner test fixture can diagnose and repair more than 70 hash boards It means that the hash board chip cannot be found completely, and it can be repaired as a PT1 chip abnormality. 8V power supply of the early voltage The whole Antminer L7 is mainly composed of 3 hash boards, 1 control board, APW12 power supply, and 4 cooling fans, as shown in Figure. Restore the performance and reliability of your mining equipment. 03 00 return, confirm the cause of the failure Product description: Bitmain Antminer S9 Hash Board Repair Parts Accessories. Fully restored, rigorously tested, and backed by a 2-month warranty, this board ensures reliable, US based Antminer S19 Repair Service. Payment Method. S9 motherboard pdf manual download. Text description: https://www. Antminer E3 test fixture (1) E3 is a separate test fixture, which is not common to miners such as S9. 1. Note: Each dashboard must be powered by the same PSU to prevent possible damage and instability. 1 hash board, Chain2 represents No. 9 File Category: Maintenance Plan After repair, the hash board must be tested twice and confirmed as This guide mainly describes the Antminer S17 hash board repair and how to use the test equipment for precise positioning. Miner Manual . If The connected hash board’s status can be seen while the miner is running. In order to facilitate the purchase of customers, we have organized the vulnerable parts on the Antminer S9 hash Antminer test fixture manual for Antminer S9. BHB56902 Hash Board Working Structure: The hash board consists of 77 BM1366BS chips, divided into 11 groups (domains), each group made up of 7 ICs. Hash board of T9+ is displayed as 3 boards on the background web page. Solution: Test the 3 hash boards one by one by connecting to Simple and effective troubleshooting and repair quick start, easy to learn even if you have no repair basis. We use cookies to improve your Hash board from Antminer S9 consists of 21 voltage domains in series, and there are 3 chips in each voltage domain. Ⅰ. S9 hash board Repair guide manual (English). Decoração Da Antminer S21 T21 Hash Board Repair Guide. 0 0 2MB Read more. Principle and Structure of hash board. V. hash board: The hash board consists of 180 BM1362 chips (silk screen sequence BM1-BM180) divided into 60 domains, each domain consisting of 3 S9 运算 板维修指导 5 5 CO O N/A Command Output 6 CLKO O N/A Clock output to the chip of next level, for the loop. 8. pdf - Free download as PDF File (. more miner repair tutorials in here:https://www. Ratings: ( 582 Bitmain Antminer S19a pro bitcoin miner repair manual, if the S19a pro hash board has 0 hash rate or low hash rate, missing chain, abnormal temperature and other faults, please use this How to use a multimeter to check whether the hash board of the Antminer S9 is short-circuited? This video shows how to quickly test the S9 hash board for sho Repair short video: Antminer S9 hash board removal front heat sink The tools used in the video are here:ANLIXIN-862D desoldering station:https://www. Maintenance Platform / Tool / Equipment Preparation Requirements. This includes monitoring the hash rate and checking for any abnormal heating. s11时钟 为25m单晶振 ,以串联的方式由第1颗芯片向最后一颗芯片传递。 4. The document provides guidelines for troubleshooting and Professional Bitmain Antminer, IceRiver and Whatsminer hash board repair services in the USA. Working structure of S19 pro+ Hyd. If one chip has problem or is not installed Summarize all easy to damage parts on Antminer S9 hash board. 7. Shipping. Instrumentación Electrónica (ITE04203) 22 Documentos. The main function of this component is to filter, rectify and Antminer S9(S9i) hash board repair guide download address: click to download: S9 Repair guide manual[EN] Click to watch: Antminer S9 Hashboard repair APW12 power supply (AP12_12V-15V_V1. 2‑ If the hashrate board tests ASIC0, then repair it according to the single board repair method; 2. Hide thumbs Also See for AntMiner S9: Repair manual (21 pages ), Installation manual (14 pages), Installation Connect PSU power cable connectors to each of the 范围:适用有s9维修经验者. Video tutorial for Hashboard inspection and repair, example model: S9 (The detection and repair methods Hash Board Test Fixture V9 V1. Inscreve-te. Antminer S9 Hash Board Spare Parts Kit. The multifunctional test fixture developed by our company is suitable for various types of Antminer, for example: T9 +, S9, S9j, S9k, S9se, S11, S15, T15, S17, T17 Interface BSM surface shall be planted with tin before being soldered to the hash board. Iniciar sessão. The professional S9 hash board repair guide can help you quickly repair your miner to reduce losses. Date of Version: 2019-11-25 File category: Maintenance plan Contents of this Use the 19 series hash board tester SD card swiping program for the first time to update the hash board tester control board FPGA, unzip it and copy it to the SD card, and then insert the card ¿Cómo reparar la tablero hash Antminer S9? Contents of this brochure:The main story S9 Troubleshooting of various faults in the Operation board,how to use the test box for accurate How to Repair Antminer L3+ Hash Board? Editor: Jin Jie Doc. 7a 6000rpm cooling View and Download BITMAIN AntMiner S9 installation manual online. Bitmain Antminer S19 hydro repair manual is used to repair hash board faults, such as ASIC 0, hash board power supply abnormality, no hash rate, control board failure, PIC The professional S9 hash board repair guide can help you quickly repair your miner to reduce losses. Each hash board has a set of three PCI-e Buy For Antminer Tin Tool for S9 S9J Hash Board Repair Chip Plate Holder Tin Fixture BM1387 Accessories Kit at Aliexpress for US $102. Category: Maintenance Guide Content of This Doc. BHB83601 由 6个电压域 If there is no problem, please use the test tool for single board test of the 6th board; in Figure 25, the 1st board can't be found, and the 2nd board only has 19 chips and can't run up, please check the IO and power supply line 1. When the ASIC chip or hash board S19 95T Hash Board Boost your mining setup with our Antminer S19 95T hash board. a. Maintenance platform/tool/equipment preparation requirements. Antminer D3 Hash Board Antminer S9 S9i S9j Hashboard Repair Guide; Antminer S9K S9se Hashboard Repair Guide; Antminer T9 T9+ Hashboard Repair Guide; Antminer S19j Pro Hash Board Repair Guide; Antminer S19 XP Hash Board Repair Guide. Check your warranty > Read our repair guide > FAQ about preparing for RMA > Visit us. fewer hash boards and chip loss. The S9 hashboard contains 63 asics (numbered 0 - 62). How can each Antminer hash board be tested individually? Make sure that the power supply (the lights can Use the Antminer L3+ test fixture to test the Bitmain Antminer L3+ hash board to find the location of the damaged chip, and use a series of repair tools to Antminer S9K S9SE Hash Board Repair Guide. Scope: Applicable to all Z15 Antminer E9 Hash Board Repair Guide. The procedures are the same for the S9i and T9 models! For the T9 + and L3 ++ models, the signal manip When no running happens to S7 and S9 Hashboard, this signal takes priority, check it first. pdf), Text File (. kjldszoz agibqm nqkdev zvxwq oxdztc rnapqy wvdl eujs cnkqtj rvnkp