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19:38, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris vmem schematic.jpg
19:38, 7 November 2023 ASRepairs talk contribs created page File:Polaris vmem board.jpg
19:38, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris vmem board.jpg
19:35, 7 November 2023 ASRepairs talk contribs created page Display Rail on Polaris GPUs Explained (Created page with "'''''In this section, we will discuss the Display Rail on Polaris GPUs, including its controller circuit, usage, and common issues.''''' {{Explanatory Guide}} ==The Controller Circuit== Often referred to as the 0.8V rail, the Display Rail is typically controlled by either the [https://datasheet.lcsc.com/szlcsc/2005191033_GSTEK-Green-Solution-Technology-GS9238-ATQ-R_C532950.pdf GS9238] or the [https://www.icware.ru/pdf/0004112.pdf APW8713] step-down voltage converters. Th...") Tag: Visual edit
19:31, 7 November 2023 ASRepairs talk contribs created page File:Polaris 0.8v usage.jpg
19:31, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 0.8v usage.jpg
19:31, 7 November 2023 ASRepairs talk contribs created page File:Polaris 0.8v en schematic.jpg
19:31, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 0.8v en schematic.jpg
19:30, 7 November 2023 ASRepairs talk contribs created page File:Polaris 0.8v schematic.jpg
19:30, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 0.8v schematic.jpg
19:30, 7 November 2023 ASRepairs talk contribs created page File:Polaris 0.8v board.jpg
19:30, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 0.8v board.jpg
19:27, 7 November 2023 ASRepairs talk contribs created page 1.8V Rail on Polaris GPUs Explained (Created page with "''''''In this guide, we will explore the 1.8V rail on Polaris cards, how it's created, its usage, and common problems associated with it.''''' {{Explanatory Guide}} ==The Controller Circuit== Polaris cards typically use a [https://cal.equipment/doc/_Datasheets/_DC_DC/gs7103.pdf GS7103-A] or a similar Low Drop Out (LDO) regulator to control the 1.8V rail. The output voltage is adjusted through the FB pin using a voltage divider (please refer to the datasheet or Figure 2)...") Tag: Visual edit
19:24, 7 November 2023 ASRepairs talk contribs created page File:1.8v enable polaris.jpg
19:24, 7 November 2023 ASRepairs talk contribs uploaded File:1.8v enable polaris.jpg
19:24, 7 November 2023 ASRepairs talk contribs created page File:Polaris 1.8v controller schematic.jpg
19:24, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 1.8v controller schematic.jpg
19:23, 7 November 2023 ASRepairs talk contribs created page File:Polaris 1.8v board.jpg
19:23, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 1.8v board.jpg
19:20, 7 November 2023 ASRepairs talk contribs created page 5V Rail on Polaris GPUs Explained (Created page with "''''''In this guide, we will explore the 5V rail on Polaris cards, its functioning, utilization, potential issues, and how to resolve them.''''' {{Explanatory Guide}} == The Controller Circuit == Polaris cards typically use a straightforward Low Drop Out (LDO) regulator to generate 5V from the 12V_BUS supply. While various manufacturers may use different LDOs, the reference one is "[https://www.onsemi.com/pdf/datasheet/mc78m00-d.pdf MC78M05CDT]," featuring three pins: V...") Tag: Visual edit
19:16, 7 November 2023 ASRepairs talk contribs created page File:Polaris 5v schematic.jpg
19:16, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 5v schematic.jpg
19:10, 7 November 2023 ASRepairs talk contribs created page Short on base voltage rail on Polaris GPUs Repair (Created page with "{{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== When the card is not turning on at all, causes the entire computer not to turn on. Caused by a shorted component on 12V or 3.3V rail. This page will show where shorts might occur on a Polaris card and how to repair it. thumb|RX 480 reference. 12V_BUS possible shorts. (Figure 1) ==Symptoms== * Sub 100 Ω on either 12V_BUS, 12V_EXT,...") Tag: Visual edit
19:10, 7 November 2023 ASRepairs talk contribs created page File:Ref 480 3.3v shorts back.jpg
19:10, 7 November 2023 ASRepairs talk contribs uploaded File:Ref 480 3.3v shorts back.jpg
19:10, 7 November 2023 ASRepairs talk contribs created page File:Ref 480 3.3v shorts front.jpg
19:10, 7 November 2023 ASRepairs talk contribs uploaded File:Ref 480 3.3v shorts front.jpg
19:09, 7 November 2023 ASRepairs talk contribs created page File:Ref 480 12vext shorts front.jpg
19:09, 7 November 2023 ASRepairs talk contribs uploaded File:Ref 480 12vext shorts front.jpg
19:08, 7 November 2023 ASRepairs talk contribs created page File:Ref 480 12vbus shorts back.jpg
19:08, 7 November 2023 ASRepairs talk contribs uploaded File:Ref 480 12vbus shorts back.jpg
19:08, 7 November 2023 ASRepairs talk contribs created page File:Polaris 12v bus shorts.jpg
19:08, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 12v bus shorts.jpg
19:01, 7 November 2023 ASRepairs talk contribs created page File:480 pcb labeled back.jpg
19:01, 7 November 2023 ASRepairs talk contribs uploaded File:480 pcb labeled back.jpg
19:00, 7 November 2023 ASRepairs talk contribs created page File:480 pcb labeled front.jpg
19:00, 7 November 2023 ASRepairs talk contribs uploaded File:480 pcb labeled front.jpg
17:56, 7 November 2023 ASRepairs talk contribs created page Nvidia Pascal GPU Diagnosing Guide (Created page with "'''''Note: This guide applies to most Pascal-based graphics cards, ranging from the GTX 1060 to the 1080 Ti. While some vendors may use different PCBs or components, the general operational principles remain the same unless specified. For the purpose of this guide, we will be using a reference GTX 1080 as an example.''''' {{Explanatory Guide}} ''Have any questions? Need help with a specific GPU problem? Post to [https://www.reddit.com/r/GPURepair/ /r/GPURepair]!'' ==T...") Tag: Visual edit
17:56, 7 November 2023 ASRepairs talk contribs created page File:Pascal crystal oscillator .jpg
17:56, 7 November 2023 ASRepairs talk contribs uploaded File:Pascal crystal oscillator .jpg
17:55, 7 November 2023 ASRepairs talk contribs created page File:Straps schematic gtx 1080.jpg
17:55, 7 November 2023 ASRepairs talk contribs uploaded File:Straps schematic gtx 1080.jpg
17:55, 7 November 2023 ASRepairs talk contribs created page File:Straps location 1080.jpg
17:55, 7 November 2023 ASRepairs talk contribs uploaded File:Straps location 1080.jpg
17:41, 7 November 2023 ASRepairs talk contribs moved page Repair Basics - Short Circuits to Short Circuits - Repair Basics
17:34, 7 November 2023 ASRepairs talk contribs created page BIOS Problems on Pascal GPUs Repair (Created page with " {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== If all hardware components on the card are verified to be in good condition and all required voltages are present, but the computer fails to detect the card, it often indicates a BIOS-related issue. The BIOS circuit operates as follows: During the initialization process, the GPU core pulls pin 1 (CS) low, which activates the BIOS chip. Subsequently, it reads the inf...") Tag: Visual edit: Switched
17:33, 7 November 2023 ASRepairs talk contribs created page File:Pascal Bios schematic.png
17:33, 7 November 2023 ASRepairs talk contribs uploaded File:Pascal Bios schematic.png
17:33, 7 November 2023 ASRepairs talk contribs created page File:Pascal Bios board.jpg
17:33, 7 November 2023 ASRepairs talk contribs uploaded File:Pascal Bios board.jpg

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