Recent Discussions

Discussion List

• 
  Black Friday Deals are Here!

  Announcement DeliaSirghie 12 views 0 comments 0 points Started by DeliaSirghie November 27 Announcements & News
• 
  Shipping Announcement

  Announcement DeliaSirghie 6 views 0 comments 0 points Started by DeliaSirghie November 20 Announcements & News
• 
  Black Friday Deals are Comming!

  Announcement DeliaSirghie 9 views 0 comments 0 points Started by DeliaSirghie November 20 Announcements & News
• 
  New Challenge: What is UP 7000 perfect for?

  Announcement DeliaSirghie 157 views 5 comments 1 point Most recent by mikrik November 19UP Challenges & Contests
• 
  Introducing the winner of you UP 7000 Challenge

  Announcement DeliaSirghie 11 views 0 comments 0 points Started by DeliaSirghie November 1 UP Challenges & Contests
• 
  UP Squared 7100 is Now Shipping!

  Announcement DeliaSirghie 22 views 0 comments 0 points Started by DeliaSirghie October 3 Product News - New Product/Product Change Notice/ End-of-life
• 
  Promotions Ending Soon

  Announcement DeliaSirghie 27 views 0 comments 0 points Started by DeliaSirghie September 24 Announcements & News
• 
  Exciting New Project: RealSense ROS2 Robot Powered by UP 7000 & Intel N100

  Announcement DeliaSirghie 16 views 0 comments 0 points Started by DeliaSirghie September 11 Product News - New Product/Product Change Notice/ End-of-life
• 
  🚀 Business of the Month Challenge: Innovate with Any UP Board!

  Announcement DeliaSirghie 133 views 4 comments 0 points Most recent by mirellehgf September 11UP Challenges & Contests
• 
  📣 ️ Back to Office Promotion

  Announcement DeliaSirghie 11 views 0 comments 1 point Started by DeliaSirghie August 26 Announcements & News
• 
  🚀 Announcing the UP Squared 7100 - The Next Evolution in Edge AI Computing!

  Announcement DeliaSirghie 11 views 0 comments 0 points Started by DeliaSirghie August 26 Product News - New Product/Product Change Notice/ End-of-life
• 
  UP Xtreme i14 Now Shipping

  Announcement DeliaSirghie 23 views 0 comments 1 point Started by DeliaSirghie August 14 Announcements & News
• 
  What's the Difference Between UP Squared vs. UP Squared V2?

  Announcement FredyHsu 111 views 1 comment 0 points Most recent by Jazlyn July 27Product News - New Product/Product Change Notice/ End-of-life
• 
  What’s new on the powerful UP Xtreme i14?

  Announcement DeliaSirghie 22 views 2 comments 2 points Most recent by DeliaSirghie July 1Product News - New Product/Product Change Notice/ End-of-life
• 
  What would you like to see more of on our UP Community?

  Poll Announcement DeliaSirghie 74 views 0 comments 2 points Started by DeliaSirghie July 1 Welcome Developers!
• 
  Exciting Announcement: Introducing the powerful UP Xtreme i14!

  Announcement DeliaSirghie 82 views 0 comments 1 point Started by DeliaSirghie June 5 Product News - New Product/Product Change Notice/ End-of-life
• 
  Important Announcement - Security Measure Implemented

  Announcement michellet 142 views 0 comments 0 points Started by michellet March 26 Announcements & News
• 
  Farewell UP Board - Enter UP 4000 and UP 7000

  Announcement FredyHsu 371 views 1 comment 0 points Most recent by FredyHsu February 15Product News - New Product/Product Change Notice/ End-of-life
• 
  [Tech Update] Benchmark Testing of UP 7000 and Raspberry Pi 5

  Announcement FredyHsu 717 views 1 comment 0 points Most recent by FredyHsu February 13Tech Updates
• 
  Product Change Notice: [EOL] UP Board series/ UP Core series/ UP Gateway

  Announcement FredyHsu 456 views 0 comments 0 points Started by FredyHsu December 2023 Product News - New Product/Product Change Notice/ End-of-life
• 
  Industrial Alternatives to the Intel NUC - UP Edge Computing Solutions

  Announcement FredyHsu 241 views 0 comments 0 points Started by FredyHsu August 2023 Announcements & News
• 
  Product Change Notice (PCN) - Hailo-8 AI Module Heatsink and Package change

  Announcement FredyHsu 141 views 0 comments 1 point Started by FredyHsu March 2023 Product News - New Product/Product Change Notice/ End-of-life
• 
  [Tech Update] AI Performance Benchmarks with Hailo-8™ AI Modules on UP

  Announcement FredyHsu 1K views 6 comments 0 points Most recent by Pablitinho December 2022Tech Updates
• 
  [Tech Update] Benchmark Testing of UP 4000, UP, Raspberry Pi 4 & Jetson Nano

  Announcement FredyHsu 571 views 0 comments 0 points Started by FredyHsu July 2022 Tech Updates
• 
  [Tech Update] Benchmark Testing of UP Xtreme i11

  Announcement FredyHsu 123 views 0 comments 0 points Started by FredyHsu April 2022 Tech Updates
• 
  End of Life (EOL) - UP Xtreme Lite Series

  Announcement FredyHsu 91 views 0 comments 0 points Started by FredyHsu January 2022 Product News - New Product/Product Change Notice/ End-of-life
• 
  Product Change Notice (PCN) - UP Xtreme i11 change to 0001 version

  Announcement FredyHsu 71 views 0 comments 0 points Started by FredyHsu January 2022 Product News - New Product/Product Change Notice/ End-of-life
• 
  UP Xtreme i11 SW image Status Update

  Announcement camillus 41 views 0 comments 0 points Started by camillus September 2021 Product News - New Product/Product Change Notice/ End-of-life
• 
  Unleashing the UP Xtreme i11 with 11th Gen Intel® Core™ Processors

  Announcement Pratik_Kushwaha 581 views 0 comments 0 points Started by Pratik_Kushwaha August 2021 Announcements & News
• 
  2021 UP Product Roadmap Update

  Announcement Pratik_Kushwaha 111 views 0 comments 1 point Started by Pratik_Kushwaha May 2021 Announcements & News
• 
  NEW! The official launch of UP SQUARED PRO is here!

  Announcement Pratik_Kushwaha 491 views 1 comment 0 points Most recent by Pratik_Kushwaha March 2021Product News - New Product/Product Change Notice/ End-of-life
• 
  WEBINAR: Smart Factory Solutions: How does Ericsson accelerate Industrial 4.0 with 5G?

  Announcement Pratik_Kushwaha 121 views 0 comments 0 points Started by Pratik_Kushwaha March 2021 Announcements & News
• 
  [Tech Update] Benchmark Testing of UP Squared, Raspberry Pi 4 & Jetson Nano

  Announcement Pratik_Kushwaha 1.1K views 5 comments 0 points Most recent by DCleri January 2021Tech Updates
• 
  Next Supportplans Ubuntu ??

  Answered ✓ larslemann 303 views 3 comments 0 points Most recent by nvatvani December 20UP Squared Pro Linux
• 
  Device mode on USB Type-c connector ?

  Answered Rhenry 122 views 8 comments 0 points Most recent by bchen December 19UP 7000 Troubleshooting and FAQs
• 
  How to use Hailo 8 in a B-Key?

  Answered Team0 15 views 2 comments 0 points Most recent by HarryChiu December 16UP Squared Pro Linux
• 
  How can ACPI link a permanently connected device to an SoC UART?

  Answered HexDump 66 views 3 comments 0 points Most recent by HexDump December 13UP Squared Pro 7000 Windows
• 
  An Advanced Data Analytics Course in Delhi

  ruhiparveen 8 views 0 comments 0 points Started by ruhiparveen December 13 Frequently Asked Questions (FAQ)
• 
  Introduction to Data Science Course

  shantanuhire 39 views 1 comment 0 points Most recent by ruhiparveen December 12UP Squared Pro Windows
• 
  Configure one of 7100 Squard's USB ports to device mode

  Answered ✓ bchen 66 views 10 comments 0 points Most recent by HarryChiu December 10UP Squared 7100 Linux
• 
  How do I calculate the cost of LinkedIn Recruiter?

  daawer 10 views 1 comment 0 points Most recent by malekmelkij December 7Frequently Asked Questions (FAQ)
• 
  Tired of Dirty Windows in NYC? Professional Cleaning Services Can Help!

  daawer 9 views 2 comments 0 points Most recent by daawer December 4Frequently Asked Questions (FAQ)
• 
  Help with visualization of architectural projects

  daawer 16 views 2 comments 0 points Most recent by daawer December 3Frequently Asked Questions (FAQ)
• 
  🌟 Best Free Classified Sites List 2024: Boost Your Reach Today! 🌐

  Mehra_Times 16 views 0 comments 0 points Started by Mehra_Times November 28 Frequently Asked Questions (FAQ)
• 
  🚤 Sell Your Boat Today! 🌊

  Mehra_Times 8 views 0 comments 0 points Started by Mehra_Times November 27 UP Xtreme i12 Hardware Specification
• 
  UP4000 GPIO using libgpiod in Rocky 9

  z_tj 18 views 1 comment 0 points Most recent by z_tj November 20UP 4000 Linux
• 
  Mounting optional Display and CAN boards

  Answered jwinarske 11 views 1 comment 0 points Most recent by jwinarske November 7UP Squared 7100 Troubleshooting and FAQs
• 
  Hardware information (UARTs etc.)

  Answered ✓ bcran 55 views 1 comment 0 points Most recent by HarryChiu November 5UP Xtreme i14 Hardware Specification
• 
  Develop my own driver

  tm496220 52 views 4 comments 0 points Most recent by tm496220 November 1UP Squared Hardware Specification
• 
  Can't install any OS on UP Xtreme (i3-8145UE, 8/64)

  Answered ✓ koluchy 12 views 1 comment 0 points Most recent by koluchy October 31UP Xtreme Troubleshooting and FAQs
• 
  Filesystem modification, read-only filesystem and emmc0 logs

  samuel9509 35 views 3 comments 0 points Most recent by HarryChiu October 29UP 4000 Linux
• 
  How to access UART on UP Squared V2?

  Answered ✓ anishrr 28 views 2 comments 0 points Most recent by anishrr October 28UP Squared V2 Windows
• 
  UP-3GHAT-A20-0001 - device disconnected

  Answered ethicalshields 25 views 3 comments 0 points Most recent by HarryChiu October 28UP Board Linux
• 
  Is it possible to preconfigure BIOS for use without RTC battery.

  Answered ChrisKnudsen 70 views 3 comments 0 points Most recent by FredyHsu October 24UP Squared Pro 7000 BIOS
• 
  pinctrl on upboard 6000 running 5.15.129-rt67-intel

  Answered rvup 36 views 1 comment 0 points Most recent by HarryChiu October 23UP 4000 BIOS & FPGA
• 
  Deep Dive into UP Xtreme i12 👀

  Announcement DeliaSirghie 19 views 0 comments 0 points Started by DeliaSirghie October 21 Announcements & News
• 
  Open Source BIOS for UP Xtreme (WhiskeyLake, with Intel Core i3-8xxx)

  Answered ✓ koluchy 62 views 3 comments 0 points Most recent by koluchy October 16UP Xtreme BIOS
• 
  1185GRE i7 Cache Allocation Technology (CAT) Config Problem

  Answered polarursus 15 views 1 comment 0 points Most recent by garyw October 8UP Xtreme i11 Troubleshooting and FAQs
• 
  Object detection Inference Speed Benchmarking on UP Squared Pro 7000

  VinodGutta 9 views 0 comments 0 points Started by VinodGutta October 6 UP Squared Pro 7000 Hardware Specification
• 
  iTCO watchdog in Ubuntu

  roar 3.2K views 7 comments 1 point Most recent by HarryChiu October 4UP Board Linux
• 
  GPIO control on Intel Atom UP7000 edge

  Harish 47 views 1 comment 0 points Most recent by HarryChiu October 4UP 7000 Windows
• 
  we had vision x developer kit but dont know its version A or B

  Answered sujith__0 21 views 2 comments 0 points Most recent by Owen September 24UP AI Core Products
• 
  Some UP 7000 PCI BAR registers appear to be cleared after booting into the OS?

  tfinnegan937 21 views 1 comment 0 points Most recent by tfinnegan937 September 21UP 7000 BIOS
• 
  UP4000 PCIe Connections

  Answered TB1 16 views 1 comment 0 points Most recent by HarryChiu September 20Frequently Asked Questions (FAQ)
• 
  12V power for PCIe adapter

  Answered ✓ weinhard 25 views 2 comments 0 points Most recent by weinhard September 16UP Xtreme i12 Hardware Specification
• 
  Seeking Advice on Ubuntu Performance Tweaks and Application Compatibility

  mirellehgf 33 views 0 comments 0 points Started by mirellehgf September 12 UP 7000 Linux
• 
  GPIO for 40 pin connector on 4000 with windows IOT Enterprize

  Answered superBren 16 views 1 comment 0 points Most recent by HarryChiu September 11UP 4000 Windows
• 
  UWP unable to detect GPIO

  Answered bronx2198 26 views 1 comment 0 points Most recent by HarryChiu September 11UP Squared Pro Windows
• 
  Hi. Nice to be here.

  Steve1 93 views 12 comments 0 points Most recent by mirellehgf September 10Welcome Developers!
• 
  Can you indicate which category I should post in?

  mirellehgf 13 views 1 comment 0 points Most recent by DeliaSirghie September 4Welcome Developers!
• 
  UP4000 with carrier board and 5g module

  upboarduser2024 25 views 1 comment 0 points Most recent by HarryChiu September 4UP 4000 Troubleshooting and FAQs
• 
  Lost my DietPi installation

  Answered ✓ elevated789 22 views 1 comment 0 points Most recent by HarryChiu September 2UP Core Troubleshooting and FAQs
• 
  What are the Best Server Solutions for Small Businesses Using UP Boards?

  leoarthur 21 views 1 comment 0 points Most recent by FredyHsu August 26UP 7000 Hardware Specification
• 
  PInctrl driver doesn't work, Up board 7000 with Ubuntu 20.04

  Answered CyB0rG 214 views 6 comments 1 point Most recent by HarryChiu August 23UP 7000 Troubleshooting and FAQs
• 
  Up 7000 eMMC Windows 11 IoT support?

  Answered DavidShoemaker 36 views 10 comments 0 points Most recent by HarryChiu August 20UP 7000 Windows
• 
  What functions are available on the HAT40 connector, and how do I use them?

  DeliaSirghie 23 views 0 comments 0 points Started by DeliaSirghie August 14 Frequently Asked Questions (FAQ)
• 
  How do I enable and use SPI on UP Boards?

  DeliaSirghie 22 views 0 comments 0 points Started by DeliaSirghie August 14 Frequently Asked Questions (FAQ)
• 
  How can I use the UP 40 pin GPIO?

  DeliaSirghie 45 views 0 comments 0 points Started by DeliaSirghie August 14 Frequently Asked Questions (FAQ)
• 
  What is the lifecycle of UP Boards?

  DeliaSirghie 6 views 0 comments 0 points Started by DeliaSirghie August 14 Frequently Asked Questions (FAQ)
• 
  What steps should I follow if I encounter issues with my UP Board?

  DeliaSirghie 12 views 0 comments 0 points Started by DeliaSirghie August 14 Frequently Asked Questions (FAQ)
• 
  Can UP Boards be used for AI and machine learning tasks?

  DeliaSirghie 2 views 0 comments 0 points Started by DeliaSirghie August 14 Frequently Asked Questions (FAQ)
• 
  How do I expand the functionality of my UP Board?

  DeliaSirghie 4 views 0 comments 0 points Started by DeliaSirghie August 14 Frequently Asked Questions (FAQ)
• 
  What should I know about power requirements for UP Boards?

  DeliaSirghie 4 views 0 comments 0 points Started by DeliaSirghie August 14 Frequently Asked Questions (FAQ)
• 
  Which operating systems are supported by UP Boards, and how do I set them up?

  DeliaSirghie 31 views 0 comments 0 points Started by DeliaSirghie August 14 Frequently Asked Questions (FAQ)
• 
  How does UP Community support users and developers?

  DeliaSirghie 1 view 0 comments 0 points Started by DeliaSirghie August 14 Frequently Asked Questions (FAQ)
• 
  Where can I purchase UP Boards and related accessories?

  DeliaSirghie 16 views 1 comment 0 points Most recent by DeliaSirghie August 14Frequently Asked Questions (FAQ)
• 
  What makes UP Boards different from other single-board computers?

  DeliaSirghie 3 views 0 comments 0 points Started by DeliaSirghie August 14 Frequently Asked Questions (FAQ)
• 
  What is the UP Board, and what are its primary use cases?

  DeliaSirghie 5 views 0 comments 1 point Started by DeliaSirghie August 14 Frequently Asked Questions (FAQ)
• 
  reagarding up squared 6000 robotic kit.

  babu 32 views 1 comment 0 points Most recent by Owen August 14UP Squared 6000 Linux
• 
  Up 7000 Windows driver download is empty.

  Answered DavidShoemaker 14 views 1 comment 0 points Most recent by HarryChiu August 13UP 7000 Windows
• 
  Why doesn't Up Xtreme i12 i7 recognize m.2 2280 ssd NVMe?

  Answered buddye 105 views 3 comments 0 points Most recent by HarryChiu August 13UP Xtreme i12 Troubleshooting and FAQs
• 
  Ubuntu 22.04 mraa

  justinGE 1.2K views 8 comments 2 points Most recent by frosst2906 August 9UP Squared V2 Linux
• 
  Unable to retreive the analog values from connected IR sensor

  Answered lonedeveloper 51 views 1 comment 0 points Most recent by HarryChiu August 2UP Squared Windows
• 
  Unable to findout the swd pins in UP Xtreme edge compute kit to program the STM32 mcu

  babu 63 views 3 comments 0 points Most recent by HarryChiu August 2UP Xtreme Windows
• 
  Factory Reset or Default state - Up Squared 6000 Edge Kit(Ubuntu)

  mohan 25 views 1 comment 0 points Most recent by HarryChiu July 31UP Squared 6000 Linux
• 
  I Need Help Using the UP Board to Make a Homemade iPad Retina Display Connection.

  Jazlyn 22 views 0 comments 0 points Started by Jazlyn July 29 UP 7000 Windows
• 
  My SBC (up squared V2) is not starting up, how to troublshoot ?

  Answered ✓ shujat 33 views 3 comments 0 points Most recent by shujat July 29UP Squared V2 Troubleshooting and FAQs
• 
  UP squared 6000 robotic kit

  Question samarth 41 views 1 comment 0 points Most recent by samarth July 29UP Squared 6000 Linux
• 
  Windows based I2C Read/Write Working Example using AAEON framework DLL?

  NoelStephens 2.3K views 8 comments 0 points Most recent by HarryChiu July 29UP Squared Windows
• 
  UP Squared Won't Boot (Only Blue Led) - Removed power during boot

  jorgemia 553 views 2 comments 0 points Most recent by shujat July 26UP Squared Troubleshooting and FAQs
• 
  Startup issue

  shujat 21 views 0 comments 0 points Started by shujat July 26 UP Squared V2 Troubleshooting and FAQs
• 
  USB 2.0/UART 1x10P Wafer (CN14) - Specification and ordering cable

  Answered vassefe 31 views 1 comment 0 points Most recent by HarryChiu July 26UP Squared Pro 7000 Hardware Specification
• 
  issue with UP Squared AI X kit

  Answered samarth 74 views 10 comments 0 points Most recent by HarryChiu July 26UP Core Linux
• 
  when can up squared V2 support MRAA

  Answered TANGHAOJIE 13 views 1 comment 0 points Most recent by HarryChiu July 26UP Squared V2 Linux
• 
  What up-board to use as firewall (as second life)

  Answered ✓ PackElend 281 views 4 comments 0 points Most recent by Jazlyn July 25Unboxing & Project Sharing
• 
  What Are the Power Requirements for Intel Arc Graphics Cards When Used With UP Boards?

  leoarthur 21 views 0 comments 0 points Started by leoarthur July 16 UP 7000 Hardware Specification
• 
  External ADC for UP SQUARED 6000 EDGE KIT

  mohan 31 views 0 comments 0 points Started by mohan July 11 UP Squared 6000 Linux
• 
  Secure Boot Issues

  rschlegel 54 views 3 comments 0 points Most recent by HarryChiu July 10UP 7000 Troubleshooting and FAQs
• 
  Bluetooth and WiFi in UP SQUARED 6000 EDGE KIT

  Answered mohan 83 views 3 comments 0 points Most recent by HarryChiu July 5UP Squared 6000 Linux
• 
  What Are Effective Backup and Data Protection Strategies for UP Board Storage Solutions?

  leoarthur 33 views 0 comments 0 points Started by leoarthur July 4 UP 7000 Hardware Specification
• 
  Effective Data Storage Solutions for UP Boards in Industrial Applications

  leoarthur 24 views 0 comments 1 point Started by leoarthur July 4 UP 7000 Hardware Specification
• 
  Impact of Server Types on Specific Applications

  leoarthur 41 views 1 comment 0 points Most recent by wkt_1 June 26UP 7000 Hardware Specification
• 
  User Manual/TRM for Up Squared 6000 processor kit

  Answered mohan 51 views 3 comments 0 points Most recent by HarryChiu June 18UP Squared 6000 Linux
• 
  UpFramework usage

  Answered mrf635 101 views 4 comments 0 points Most recent by karlhm761 June 18UP Board Windows
• 
  UP SQUARED 6000 EDGE COMPUTING KIT - UART

  mohan 21 views 1 comment 0 points Most recent by HarryChiu June 18UP Squared 6000 Linux
• 
  SPI cs1 doesnot operate

  Answered hyunbin 103 views 3 comments 0 points Most recent by HarryChiu June 12UP Xtreme i12 Troubleshooting and FAQs
• 
  How to solve intermittent booting to UEFI Shell (otherwise normal)

  Answered buddye 31 views 1 comment 0 points Most recent by HarryChiu May 31UP Xtreme Troubleshooting and FAQs
• 
  Power/reset cable for UP2 Professional

  Answered VMSEAGLE 72 views 1 comment 0 points Most recent by HarryChiu May 15UP Squared Pro Hardware Specification
• 
  Ubuntu Kernel for UP 7000

  Answered Censore 85 views 1 comment 0 points Most recent by HarryChiu May 14UP 7000 Linux
• 
  R/G/B/X LEDs using stock Ubuntu 24.04

  Answered SteveInAU 82 views 2 comments 0 points Most recent by HarryChiu May 14UP 4000 BIOS & FPGA
• 
  ADC0 setup and in_voltage_raw reading

  Answered drm87 91 views 1 comment 0 points Most recent by HarryChiu May 14UP board Troubleshooting and FAQs
• 
  Why some of my Up Xtreme i7 have enp1s0 and some have enp2s0 interfaces?

  Answered buddye 54 views 2 comments 0 points Most recent by HarryChiu May 14UP Xtreme Linux
• 
  emmc storage changes from mmcblk0 to mmcblk1, mmcblk2 after reboot

  Answered SteveInAU 31 views 1 comment 0 points Most recent by HarryChiu May 10UP 4000 BIOS & FPGA
• 
  Assistance Needed: Repairing UP2 Board Voltage Issue

  Abdenour_BENKRID 42 views 1 comment 0 points Most recent by HarryChiu May 8UP Squared Pro Troubleshooting and FAQs
• 
  Amount of SPI

  Answered vissermatthijs 43 views 1 comment 0 points Most recent by HarryChiu May 6UP Squared Pro 7000 Hardware Specification
• 
  Hiberation states supported by UP 4000 hardware

  Answered alyddall 51 views 1 comment 0 points Most recent by HarryChiu May 3UP 4000 Linux
• 
  GPIO on UP Squared - its terrible!

  aanistratenko 440 views 3 comments 0 points Most recent by ShaunaB1 May 2UP Squared Linux
• 
  SPD data for 16GB Micron part

  Answered ✓ Gera 102 views 5 comments 0 points Most recent by HarryChiu April 23UP Squared V2 Hardware Specification
• 
  Accessing UART on Win10 Enterprise ltsc

  Answered Boesling 1.2K views 18 comments 0 points Most recent by g2as April 10UP Squared Windows
• 
  EAPI_STATUS_ERROR when starting Hi-Safe

  karlhm761 62 views 1 comment 0 points Most recent by karlhm761 April 7UP 4000 Troubleshooting and FAQs
• 
  GPIO not working in c# dotnet 6

  ricortegal 82 views 2 comments 0 points Most recent by karlhm761 April 4UP 4000 Troubleshooting and FAQs
• 
  UP Element i12 failed 15min after first boot

  Answered sj3876 154 views 3 comments 0 points Most recent by HarryChiu March 26UP Element i12 Edge Troubleshooting and FAQs
• 
  MRAA not work on UP4000

  dd100725 138 views 3 comments 0 points Most recent by Unknown March 8UP 4000 Linux