Duration: 24:07

Wi-Fi still required phone lines for a time. A belated #MARCHintosh video.

Shop Micro Center's Monitor Madness Event: https://micro.center/1eb0c8

Sign up for a FREE 128 gig Flash Drive at Micro Center's Newest Store: https://micro.center/c1a7b6

Visit Micro Center News: https://micro.center/310248

If you want to replicate this setup, here's what you need (some links are affiliate links):

 - My Pi ISP project: https://github.com/geerlingguy/pi-isp

 - Raspberry Pi 3, 4, or 5 (or equivalent) ($35)

 - StarTech.com 56K USB Dial-up Modem ($45): https://amzn.to/3NJMeTZ

 - Viking DLE-200B Two-Way Line Simulator ($120): https://amzn.to/3NnJETN

 - (Optional, but retro-cool) Traditional Bell-style telephone ($36): https://amzn.to/3PPmpme

Also referenced in this video:

 - MacWorld 1999 New York Keynote: https://archive.org/details/1999-07-21-macworld-new-york-keynote

 - Steve Jobs says "Jump!" and Phil Schiller does https://www.youtube.com/watch?v=1MR4R5LdrJw

 - Steve Jobs introduces WiFi to the masses with a hula hoop! https://www.youtube.com/watch?v=HFngngjy4fk

 - The Serial Port video on digital lines for 56K: https://www.youtube.com/watch?v=GQ0KTtMQ_8s

 - Steve Jobs' 1999 Speech at the Apple Campus: https://www.youtube.com/watch?v=EoM2Y2KO6kU

- Dial-up soundPoster: https://www.redbubble.com/i/poster/The-Sound-of-the-Dialup-Explained-by-windytan/31262230/flk2

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - Internet like it's 1999

00:50 - Hula-hoops and Schiller-jumps for WiFi

02:57 - Sponsorblock probably caught this

03:25 - Let's shake hands with QAM

05:10 - Pi ISP

11:02 - Dial a Pi (from the first iBook)

12:19 - Now do it over Wi-Fi

14:32 - Lucent and Apple

15:04 - 6 hours of battery life, 27 years later

15:46 - One more thing...

19:03 - The White House

20:00 - Downloading a game over dial-up WiFi

21:39 - NTP over dial-up Wifi

22:52 - New Macs on OG AirPort?

23:40 - Your own dial-up ISP

Duration: 06:32

Read Raspberry Pi's post announcing the 3GB RAM Pi 4:

https://www.raspberrypi.com/news/a-new-3gb-raspberry-pi-4-for-83-75-and-more-memory-driven-price-increases/

All prices were taken from the list price offered through official sales channels on manufacturer's website. Note: some prices don't reflect total shipping + tarriff charges you'll have to pay, depending on your region...

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Duration: 17:50

Video like it's 1999. Welcome to #MARCHintosh, FireWire edition!

Shop Micro Center's Monitor Madness Event: https://micro.center/1eb0c8

Sign up for a FREE 128 gig Flash Drive at Micro Center's Newest Store: https://micro.center/c1a7b6

Visit Micro Center News: https://micro.center/310248

Links to things I mentioned in this video (some links are affiliate links):

 - How to use FireWire on a Pi: https://www.jeffgeerling.com/blog/2026/firewire-on-a-raspberry-pi/

 - Equip-1 Firehat: https://equip-1.c-e.group

 - Equip-1 Firehat Crowd Supply page: https://www.crowdsupply.com/computer-equipment-group/equip-1

 - Open MRU: https://www.reddit.com/r/tapeless/comments/1n3aqsk/open_mru_raspberry_pi_5_based_mrucapture_device/

 - toqer tv's video on Open MRU: https://www.youtube.com/watch?v=Fa4BIMdgVtM

 - StarTech IEEE 1394 Mini PCIe FireWire card: https://amzn.to/4lRrQeU

 - GeeekPi PCIe to Mini PCIe HAT for Pi 5: https://amzn.to/47U0vFj

 - PiSugar 3 Plus: https://amzn.to/4uy23Oe

 - FireWire Intro at MacWorld SF 1999: https://www.youtube.com/watch?v=xP5aLoRozt8

 - This Does Not Compute - GL2: https://www.youtube.com/watch?v=nqCO4Z_VP3c

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

0:00 - Intro like it's 1999

0:34 - Look ma no tape

1:48 - MRUs

2:34 - FireWire

3:12 - You can still buy FireWire cards

3:37 - Tape test and the GL1

8:03 - Editing on Apple's fastest G4

10:24 - Why did FireWire stick around for 26 years

11:53 - No tape for the tapeless

12:32 - FireWire on a Pi attempt 1

13:48 - Firehat and PiSugar demo

15:30 - Firehat's simple UI

17:04 - Conclusion like it's 1999

Duration: 14:44

Another #MARCHintosh video!

HUGE thanks to all the other YouTubers who shared their favorite Mac laptops — be sure to check out their channels (in order of appearance:

 - Branchus Creations: https://www.youtube.com/@BranchusCreations

 - Action Retro: https://www.youtube.com/@ActionRetro

 - This Does Not Compute: https://www.youtube.com/@ThisDoesNotCompute

 - Mac84: https://www.youtube.com/@Mac84

 - Mr. Macintosh: https://www.youtube.com/@Mr.Macintosh

 - Computer Clan: https://www.youtube.com/@ComputerClan

Links to some of the parts I used to upgrade my 11" Air (some links are affiliate links):

 - iFixit Pro Tech Toolkit: https://amzn.to/4snd2ZB

 - Fancy Buying A1406 Battery for MacBook Air: https://amzn.to/4bAU8aj

 - M.2 NGFF NVMe SSD adapter for MacBook Air: https://amzn.to/4cT7gKf

And if you want to keep up with all my retro computing adventures, check out this GitHub repository: https://github.com/geerlingguy/retro-computers

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - The Best Mac Laptop Ever

01:20 - I need some parts

01:56 - Modern SSD in an old laptop

02:26 - Branchus Creations

03:20 - Impossibly-thin G4, impossibly-hot G5

04:17 - Action Retro

04:56 - Keyboards and trackpads

05:52 - This Does Not Compute

06:54 - iBook G3 nostalgia

08:02 - Mac84

09:18 - Mr. Macintosh

10:04 - Computer Clan

10:35 - Small Mac laptops

11:41 - 11" Air was ahead of its time

13:07 - Old design felt better

14:01 - Still useful

Duration: 14:23

Check out the Switchberry: https://github.com/Time-Appliances-Project/Switchberry

Also mentioned:

 - My Stratum 1 PTP/NTP Pi 5 Server: https://github.com/geerlingguy/time-pi

 - TimeHAT V6: https://pmqipr-s3.myshopify.com/collections/timehatv6-bundles

Yes, I know it's expensive. Someday we can maybe get the price down, if we can prove the concept :)

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - N'Sync

00:40 - The Switchberry

01:24 - The TimeHAT V6 Pi Server

02:34 - NTP Sync

03:25 - PTP Settings

05:08 - Wireshark PTP packet sniffing

08:20 - It's always 37 seconds off

10:10 - Switchberry internals

Duration: 28:14

A #MARCHintosh project: my first Xserve!

Things I mentioned in the video (some links are affiliate links):

 - Apple's U.S. Manufacturing and ACDC Servers: https://www.apple.com/newsroom/2026/02/apple-accelerates-us-manufacturing-with-mac-mini-production/

 - House of Moth Xserve G5 PSU Recap Guide: https://thehouseofmoth.com/recapping-an-xserve-g5-power-supply-part-1-preparations/

 - 65scribe video on Apple Network Server 500: https://www.youtube.com/watch?v=PsVAdrdkyoA

 - Menda IPA bottle: https://amzn.to/4sb2igE

 - Kimwipes: https://amzn.to/4rBEIsw

 - Apple's 2002 Special Event (Xserve G4 launch): https://archive.org/details/2002-05-13-wwdc-xserve-introduction

 - Hakko FX-888DX Soldering station: https://amzn.to/4cHQy0k

 - iFixit FixMat Magnetic Project Mat: https://amzn.to/3Pw44KF

 - iFixit Pro Tech Toolkit: https://amzn.to/4synBbI

 - Chipquik SMD291 No-Clean Tack Flux: https://amzn.to/4bluGpi

 - Inland Platinum 256GB SSD: https://www.microcenter.com/product/645077/inland-platinum-256gb-ssd-3d-tlc-nand-sata-iii-6gb-s-25-internal-solid-state-drive

 - My Xserve G5 build log / notes: https://github.com/users/geerlingguy/projects/10

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - Apple's secret ACDC servers

01:06 - Thank the maker

01:38 - Prepping the fix

02:58 - Cracking open the PSU

06:03 - Moo

07:36 - New cap fr

08:44 - Soldering tips

11:39 - Reassembling the PSU

12:47 - Testing the PSU

13:46 - HDD trays and proprietary connections

14:30 - Reassembling the Xserve and first coil whine

16:01 - First boot!

19:39 - Installing Mac OS X Server 10.3 on an SSD

22:49 - Using Mac OS X Server in 2026

24:58 - Hardware locks

26:19 - Rack the Mac

27:35 - Apple's humility and looking forward

Duration: 12:35

A man with a watch knows what time it is.

Mentioned in this video (some links are affiliate links):

 - Excuse me, what precise time is it? https://media.ccc.de/v/39c3-excuse-me-what-precise-time-is-it

 - PTP Wallclock open source project: https://github.com/Gemini2350/ptp-wallclock

 - My blog post on the setup: https://www.jeffgeerling.com/blog/2026/ptp-wall-clock-impractical-too-precise/

- Geerling Engineering video on the Blues game and PTP: https://www.youtube.com/watch?v=8Ar4wmA4ujM

 - Video on the Pico GPS mini rack clock: https://www.youtube.com/watch?v=E5qA4fgdS28

 - Video on the Mitxela Precision Clock Mk IV: https://www.youtube.com/watch?v=aBDgD032DEI

Parts needed for the build:

 - Raspberry Pi 4 B: https://www.raspberrypi.com/products/raspberry-pi-4-model-b/

 - Adafruit RGB Matrix HAT: https://www.adafruit.com/product/2345

 - (2x) Waveshare 64x32 LED RGB Matrix Panel: https://www.waveshare.com/RGB-Matrix-P3-64x32.htm

 - 3D Printable joining bracket: https://www.printables.com/model/1624778-ptp-wall-clock-bracket-waveshare-rgb-matrix-connec/collections

 - DC 5V 4A power supply: https://amzn.to/3P1I8XG

 - 32GB microSD card: https://amzn.to/3NhlGJE

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - Excuse me, what time is it?

02:01 - Parts required to build a PTP clock

03:14 - Building a precise clock

04:32 - Software for controlling the matrix

05:26 - It works!

06:06 - Keeping it together

07:17 - The problem...

09:04 - It's a timing bug

11:36 - Back in the box

Duration: 13:01

I more than doubled the performance of my NVR with a new CM5 board. And it has PoE+ built in!

Some of the resources I referenced in this video (some links are affiliate links):

 - Exaviz Cruiser: https://exa-pedia.com/docs/cruiser/

 - Frigate: https://frigate.video

 - Seagate IronWolf NAS 4TB HDD: https://amzn.to/46vIPyx

 - Hard Drive sleds (Dell R720-compatible): https://www.ebay.com/itm/404293056771

 - DeskPi 2U mini rack mount: https://deskpi.com/products/deskpi-2u-mini-rack-mount-case-pre-order-for-the-exaviz-cruiser-carrier-board

 - My 1U Interceptor NVR build from 2024: https://www.youtube.com/watch?v=7wkVGcdI2vk

 - Blog post configuring Hailo and Frigate on Pi CM5: https://www.jeffgeerling.com/blog/2026/frigate-with-hailo-for-object-detection-on-a-raspberry-pi/

Exaviz sent me a prototype version of the Cruiser for testing, and DeskPi sent an early prototype of their mini rack case for the Cruiser. Neither company paid for this video or had any input in its production, but I still mark my videos as 'sponsored' if any equipment was provided by vendors in the making of the video. See my sponsorship policies here: https://github.com/geerlingguy/youtube#sponsorships

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - Upgrading from the Interceptor

00:38 - Exaviz Cruiser CM5 board

01:57 - Adding another camera

02:46 - Google abandoned the Coral TPU

04:27 - Cruiser's USB-heavy architecture

06:08 - Building the mini-rack server

07:43 - Tada! And some hot-swap drive sleds

09:02 - Setting up RAID, Hailo, and Frigate

10:53 - Power consumption, PoE, and a 4K camera

12:17 - Future Home Assistant plans

Duration: 03:36

This is why we can't have nice things.

Referenced in this video:

 - Ars Technica's redaction: https://arstechnica.com/ai/2026/02/after-a-routine-code-rejection-an-ai-agent-published-a-hit-piece-on-someone-by-name/

 - Ars Technica Author's response: https://bsky.app/profile/benjedwards.com/post/3mewgow6ch22p

 - Scott Shambaugh's post on AI Agent Hit Piece: https://theshamblog.com/an-ai-agent-published-a-hit-piece-on-me/

 - OpenClaw: https://openclaw.ai

 - OpenClaw author moves to OpenAI: https://steipete.me/posts/2026/openclaw

 - The End of the Curl Bug Bounty: https://daniel.haxx.se/blog/2026/01/26/the-end-of-the-curl-bug-bounty/

 - My GitHub: https://github.com/geerlingguy

 - GitHub's new PR settings: https://github.blog/changelog/2026-02-13-new-repository-settings-for-configuring-pull-request-access/

 - My blog migration from Drupal to Hugo: https://www.jeffgeerling.com/blog/2026/migrating-13000-comments-from-drupal-to-hugo/

 - Yahoo article on NFT Fallout: https://uk.finance.yahoo.com/news/what-happened-to-nfts-094039263.html

 - PCPartPicker Hard Drive price trends: https://pcpartpicker.com/trends/price/internal-hard-drive/

 - Western Digital is sold out of hard drives for 2026: https://www.tomshardware.com/pc-components/hdds/western-digital-is-already-sold-out-of-hard-drives-for-all-of-2026-chief-says-some-long-term-agreements-for-2027-and-2028-already-in-place

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Duration: 12:37

Can a little Pi-powered bot teach my kids?

The Reachy Mini Wireless I used was provided by HuggingFace and Pollen Robotics; you can find out more here: https://reachymini.net

Other resources and videos I mentioned:

 - Reachy Mini Examples: https://github.com/pollen-robotics/reachy_mini/tree/develop/examples

 - ShortCircuit video with Riley's test: https://www.youtube.com/watch?v=_cY1rFrNQpE

 - ESP32 Eyes for Reachy: https://github.com/algoryn-nl/reachy-mini-esp32-eyes

 - Reachy Mini intro from CES: https://www.youtube.com/watch?v=acBv3G8r-1Y

 - Hugging Face's agentic demo: https://huggingface.co/blog/nvidia-reachy-mini

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - Replacing parent-child interaction

01:37 - Only some sarcasm detected

02:49 - Click the **** gear, Riley!

05:01 - Building Reachy Mini

07:23 - Internet required?

08:06 - Motor debugging

08:41 - Modes of interaction

10:14 - A learning robot

11:45 - Some disassembly required

Duration: 10:49

It's a pretty solid laptop, all things considered. But it launched into the worst timeline :(

My build included (some links are affiliate links):

 - Argon ONE UP CM5 Laptop Shell for $400: https://argon40.com/products/argon-one-up-cm5-laptop-shell-main?_pos=16&_sid=a6a888f2c&_ss=r

 - (Alternative) Argon ONE UP with CM5 8GB and NVME for $550: https://argon40.com/products/argon-one-up-cm5-laptop-core-system

 - Raspberry Pi CM5 with WiFi 32GB eMMC / 16GB RAM ($210): https://www.pishop.us/product/raspberry-pi-compute-module-5-wireless-16gb-ram-32gb-emmc-cm5116032/

 - Anker Nano II 45W GaN charger ($25): https://amzn.to/4qSybd9

 - USB-C to USB-C Charging Cable ($10): https://amzn.to/4r3QrRa

Other things mentioned:

 - GitHub issue for Argon ONE UP: https://github.com/geerlingguy/raspberry-pi-pcie-devices/issues/744

 - NIMO 15.6" Intel N150 Laptop with 16GB of RAM ($399): https://amzn.to/46vUXzl

 - Lenovo ThinkBook 16 Gen 2 ($599): https://amzn.to/45O9V3y

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - A Raspberry Pi laptop

00:42 - The worst possible timing

01:59 - Tear it apart

03:34 - Lack of support

04:08 - Hardware: USB-C, battery, speakers

05:27 - Use: Keyboard and trackpad

06:16 - GPIO on a laptop and other quirks

07:10 - Pi OS is not a laptop OS

07:33 - Battery life and sleep states

09:00 - BUT...

09:32 - Real-world travel test

10:07 - Right to repair and CM6 someday?

Duration: 03:27

Here's the Qwen3-TTS Demo app I showed in the video: https://huggingface.co/spaces/Qwen/Qwen3-TTS

It's only a matter of time until there's an open UI for it that beats Eleven Labs—all for free.

Read about the time someone cloned my voice for a video training series, unauthorized: https://www.jeffgeerling.com/blog/2024/elecrow-responded-apologized-ai-voice-cloning/

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Duration: 08:46

Raspberry Pi's back with a new AI HAT.

This time it adds on 8 GB of RAM and the Hailo 10H for $20 over the original.

Raspberry Pi provided the AI HAT+ 2 that I tested in this video. They did not pay for the video nor have any say in the video's contents. See my review sample policy here: https://github.com/geerlingguy/youtube?tab=readme-ov-file#sponsorships

Resources I mentioned in this video:

 - Raspberry Pi AI HAT+ 2 ($130): https://www.raspberrypi.com/products/ai-hat-plus-2/

 - Hailo 10H Product Page: https://hailo.ai/products/ai-accelerators/hailo-10h-ai-accelerator/

 - Turbo Encabulator: https://www.youtube.com/watch?v=Ac7G7xOG2Ag

 - llama.cpp on the Pi 5: https://www.jeffgeerling.com/blog/2024/llms-accelerated-egpu-on-raspberry-pi-5/)

 - Qwen3 30B A3B model for 16GB Pi 5: https://huggingface.co/byteshape/Qwen3-30B-A3B-Instruct-2507-GGUF/

 - Fujitsu Shrink Detection: https://www.youtube.com/watch?v=flD-WfJ4pUg

 - Raspberry Pi AI Camera ($70): https://www.raspberrypi.com/products/ai-camera/

 - Raspberry Pi AI HAT+ (original - $110): https://www.microcenter.com/product/687346/product?src=raspberrypi

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - Pi $130 AI HAT+ 2

00:58 - AI Turbo Encabulator

01:48 - LLM tests and NPU vs CPU

02:50 - How useful are tiny models?

04:22 - Running Qwen3 30B on the 16GB Pi 5

05:28 - Machine vision

06:16 - CPU is much worse here

06:52 - Software support

07:31 - Mixed mode not working for me

08:05 - Hard to recommend

Duration: 16:36

HUGE thanks to Patrick from ServeTheHome for helping with this test!

Links to everything I mentioned:

 - Mono Gateway: https://mono.si

 - Tomaž Zaman on YouTube: https://www.youtube.com/@tomazzaman

 - ServeTheHome YouTube: https://www.youtube.com/ServeTheHomeVideo

 - ServeTheHome Website: https://www.servethehome.com

Tomaž sent me the dev kit Mono Gateway I am testing in this video, so I have marked the video as 'sponsored' (I also ordered one for myself, prior to Tomaž sending this test unit!). Mono did not offer any other form of payment, nor have any input into this video's contents. See my sponsorship policies here: https://github.com/geerlingguy/youtube?tab=readme-ov-file#sponsorships

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - What is this box?

00:58 - 51.2 Tbps in Phoenix

02:00 - The Million Dollar Network Testing Box

03:33 - From 1.6 Tbps to 10 Gbps

06:14 - SFP+ is always upside-down

06:58 - Saturating 20 Gbps with real traffic

10:13 - Real web traffic and latency results

11:55 - Firewall testing next year

13:39 - Mono Gateway works

14:53 - Specs and happy 2026!

Duration: 11:16

Let's see if Nvidia's GB10 "AI Superchip" is all it's hyped up to be...

Thanks to Dell for providing the two Dell Pro Max with GB10 units for testing and evaluation, along with accessories to get them clustered.

Resources I mentioned in this video:

 - Dell Pro Max with GB10 Benchmark Results: https://github.com/geerlingguy/sbc-reviews/issues/92

 - Dell Pro Max with GB10 AI Benchmarks: https://github.com/geerlingguy/ai-benchmarks/issues/34

 - Dell Pro Max with GB10: https://www.dell.com/en-us/shop/desktop-computers/dell-pro-max-with-gb10/spd/dell-pro-max-fcm1253-micro/xcto_fcm1253_usx

 - DGX Spark has no power LED: https://community.frame.work/t/dgx-spark-vs-strix-halo-initial-impressions/77055

 - Mediatek on Grace CPU: https://www.mediatek.com/press-room/newly-launched-nvidia-dgx-spark-features-gb10-superchip-co-designed-by-mediatek

 - DGX OS Release Cadence: https://docs.nvidia.com/dgx/dgx-spark/dgx-os.html#release-cadence

 - Jetson Nano Ubuntu 18.04 only: https://forums.developer.nvidia.com/t/trying-to-install-ubuntu-20-or-22-on-jetson-nano-2gb/327491/2

 - CoconutMacaroon's Blender compilation instructions for Arm Linux: https://github.com/CoconutMacaroon/blender-arm64/

 - FCLC's post on FLOPs: https://bsky.app/profile/fclc.bsky.social/post/3lc4qpte3ys2o

 - John Carmack's tweet on the 'petaflop': https://x.com/ID_AA_Carmack/status/1982831774850748825

 - Top500 list for June 2025: https://www.top500.org/lists/top500/list/2005/06/?page=4

 - Exo blog post on DGX Spark + Mac Studio: https://blog.exolabs.net/nvidia-dgx-spark/

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - It's not a mini PC

01:07 - It's not a gaming PC

03:06 - It's an Arm Linux PC

03:49 - Improvements over the DGX Spark

04:28 - Grace CPU

05:19 - DGX OS and a concern

07:00 - Benchmarks (and FLOPs)

08:40 - Dual 200 Gbps networking

10:07 - AI on the GB10

Duration: 05:17

...but most people would never know.

The two posts referenced in this video:

 - Primary time scale failure: https://groups.google.com/a/list.nist.gov/g/internet-time-service/c/o0dDDcr1a8I

 - Update on Internet Time Services: https://groups.google.com/a/list.nist.gov/g/internet-time-service/c/OHOO_1OYjLY

Also check out the status of all NIST Internet Time Servers: https://tf.nist.gov/tf-cgi/servers.cgi

Thumbnail photos were adapted from Wikipedia Commons / US Government Public domain images:

 - https://www.nist.gov/pml/time-and-frequency-division/time-and-frequency-metrology-and-distribution

 - https://www.nist.gov/topics/physics/optical-frequency-combs

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - 5 microseconds

00:39 - What happened?

02:15 - NTP timing and why it doesn't matter

03:17 - Timely lessons

Duration: 18:40

Shop Micro Center Holiday Deals: https://micro.center/e787eb

Check out Micro Center's Other Top Deals: https://micro.center/315b05

Shop Micro Center Bundles: https://micro.center/f7b037

Visit Micro Center News: https://micro.center/9b77f2

Can a Raspberry Pi match the performance of a modern desktop PC when it comes to GPU performance?

Of course not, in a general sense. But there are specific use cases where you'd be surprised by how close the Pi comes, performance-wise. In some cases, the Pi is actually faster!

Resources I mentioned in this video:

 - AI Benchmark results and methodology: https://github.com/geerlingguy/ai-benchmarks

 - Multi-GPU benchmark results: https://github.com/geerlingguy/ai-benchmarks/issues/44

 - Use AMD GPUs on Pi: https://www.jeffgeerling.com/blog/2025/using-amd-gpus-on-raspberry-pi-without-recompiling-linux

 - Use Nvidia GPUs on Pi: https://www.jeffgeerling.com/blog/2025/nvidia-graphics-cards-work-on-pi-5-and-rockchip

 - Use Intel GPUs on Pi: https://www.jeffgeerling.com/blog/2025/all-intel-gpus-run-on-raspberry-pi-and-risc-v

eGPU Setup (some links are affiliate links):

 - Minisforum DEG1 eGPU Dock: https://amzn.to/4s3gUz6

 - Micro SATA Cables Oculink to M.2 adapter: https://amzn.to/49dKKcE

 - Super Flower 850W PSU: https://www.microcenter.com/product/684393/super-flower-leadex-iii-gold-up-850-watt-80-plus-gold-atx-fully-modular-power-supply-atx-31-compatible

 - AMD Radeon AI Pro R9700: https://www.microcenter.com/product/702853/xfx-amd-radeon-ai-pro-r9700-single-fan-32gb-gddr6-pcie-50-graphics-card

Dual GPU Setup (some links are affiliate links):

 - chenyang PCIe 4.0 M.2 NGFF to SFF-8643: https://amzn.to/4pyqSqt

 - 10Gtek SFF-8644 to SFF-8643 Cable: https://amzn.to/3MKNbup

 - Dolphin PCIe HBA MXH932: https://dolphinics.com/products/MXH932.html

 - Dolphin 3 slot PCIe Backplane: https://dolphinics.com/products/IBP-G4X16-3.html

HUGE thanks to Patrick from https://www.servethehome.com for helping me record at Micro Center in Phoenix :)

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - Pi vs PC

00:53 - Enough for Jellyfin? Local LLMs?

01:50 - 4 GPUs 1 Pi

02:16 - Comparing costs and energy use

03:07 - Gaming on haitus (for now)

03:39 - The setups

04:56 - ffmpeg and Jellyfin media transcoding

07:31 - 3D rendering with GravityMark

08:39 - LLMs on AMD

09:36 - LLMs on Nvidia

12:27 - Drivers, Vulkan, and CUDA

13:06 - Dual GPU - Setup

15:24 - Sharing memory and PCIe ACS

16:28 - llama.cpp performance - mixed Nvidia GPUs

17:08 - 52GB of VRAM on AMD

17:28 - Intel PC dual Nvidia GPU comparison

17:56 - Who wins?

Duration: 14:24

Apple loaned four Mac Studios to help me test the new RDMA over Thunderbolt support in macOS 26.2.

Is it good for HPC? For Exo and LLMs? Find out in this video.

Resources (some links are affiliate links):

 - Mac Studio: https://www.apple.com/mac-studio/

 - Exo 1.0: https://exolabs.net

 - Apple MLX PR for Thunderbolt RDMA: https://github.com/ml-explore/mlx/pull/2808

 - M5 Neural Accelerator speedup: https://machinelearning.apple.com/research/exploring-llms-mlx-m5

 - DeskPi Rackmate TL1: https://amzn.to/4p5ek94

 - Tupavco mini-rack PDU: https://amzn.to/4j0DpAq

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - A rack-full of Macs

02:01 - Putting together a cluster

03:16 - The downsides of Thunderbolt

05:09 - One is enough

07:45 - Managing macOS in a cluster (vs Linux)

08:37 - HPL and llama.cpp cluster performance

09:30 - Enabling RDMA

09:51 - Massive LLMs

11:34 - RDMA over TB5 is great... when it works

12:10 - EXO community and OSS

12:51 - Apple could go harder

13:30 - Jack of all trades, not just AI

Duration: 03:57

Raspberry Pi launched the CM0... in China. Let's take a look at this little stamp-sized Pi.

Resources mentioned in this video:

 - My test data and discussion: https://github.com/geerlingguy/sbc-reviews/issues/98

 - ED-CM0NANO from EDAtec: https://edatec.cn/docs/cm0nano/ds/

 - Raspberry Pi CM0 discussion on the Pi forum: https://forums.raspberrypi.com/viewtopic.php?t=386639

 - Order the ED-CM0NANO-10000 from DigiKey: https://www.digikey.com/en/products/detail/eda-technology-co-ltd/ED-CM0NANO-10000/28263891

 - Hackster article on CM0: https://www.hackster.io/news/raspberry-pi-unveils-the-18-compute-module-0-but-only-for-chinese-customers-for-now-913bf59ab6cc

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - Castellated Computing

01:01 - EDAtec's CM0NANO dev board

01:34 - Flashing the CM0's slow eMMC

02:02 - Chromium runs, but it's not for that

02:42 - Why in China?

Duration: 15:26

It's a Framework 13, but there's no ordinary CPU inside...

Resources I mentioned in this video:

 - DeepComputing DC-ROMA II: https://store.deepcomputing.io/products/dc-roma-ai-pc-risc-v-mainboard-ii-for-framework-laptop-13

 - All my benchmarking data: https://github.com/geerlingguy/sbc-reviews/issues/82

 - Framework 13 with AMD Ryzen AI 5 340: https://frame.work/laptop13

 - SemiTO-V RP2350 GPIO Expansion Module: https://github.com/semitov/rp2350-gpio-card

 - SemiTO-V MCL Python to MicroPython tool: https://github.com/semitov/SemiTOV-MCL

Support me on Patreon: https://www.patreon.com/geerlingguy

Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Merch: https://www.redshirtjeff.com

2nd Channel: https://www.youtube.com/@GeerlingEngineering

3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - This is not a Framework

01:49 - Hardware

04:02 - Strange architecture, seen before

04:44 - RISC-V in a strange place right now

05:28 - How is it as a laptop?

07:18 - NPU and a missing 16 GB of RAM

08:12 - Benchmarks

09:20 - Why so inefficient?

10:19 - A trip back to 2009

11:49 - It's a Framework though

12:23 - Upgrading to AMD

13:04 - 6 cores demolishes 8 cores

13:57 - Adding 2 more RISC-V cores (via expansion module)

14:57 - Final thoughts