🔴 HP 3458A 8.5 Digit Multimeter Upgrades - Firmware - NVRAM to FRAM - Option 1 - No.1499

HP 3458A 8.5 Digit Multimeter Upgrades. I show how to update the firmware to 9,2 how to update Dallas NVRAM to FRAM, and add Option 1 to the 3458A A5 assembly. FRAM Adaptor Build:    • 🔴 FM16W08 & FM18W08 FRAM Adaptor Build - S...   Buy Me a Coffee: https://buymeacoffee.com/thedefpom I really appreciate the donations and support I get from my Patreon Supporters and YouTube Members, donations really do help me to make content for the channel and buy broken test gear, this hobby gets expensive !: https://defs.link/?u=fcb3a1 #TheDefpom #ElectronicsCreators #3458A #Repair #Electronics #TestEquipment #Keysight #Defpom #agilent #hp3458a ▶ Subscribe: https://defs.link/?u=ffa106 Click the Bell Icon to get notifications about my future videos! Affiliate links: (Bookmark and buy using them) ▶ Aliexpress: https://defs.link/?u=551ec48 ▶ Kaiweets: https://defs.link/?u=fe6d010 ▶ Amazon Store: https://www.amazon.com/shop/thedefpom... ▶ Banggood: https://defs.link/?u=5d46ae ▶ 👕👚🎽☕ Merchandise: https://teespring.com/stores/TheDefpom Donate so I can make more videos for you: ▶ Become a Patreon!: https://defs.link/?u=fcb3a1 ▶ Become a YouTube Member:    / @thedefpom   ▶ PayPal Donations: https://defs.link/?u=b099ee ▶ My Odysee channel: https://odysee.com/@TheDefpom:fa ▶ My Bitchute channel: https://www.bitchute.com/channel/TheD... ▶ My Utreon channel: https://utreon.com/c/TheDefpom ▶ Test Equipment Repair Videos:    • Test Equipment Repair, Reviews and Projects   ▶ Electronics & Repair Videos:    • Electronics & Repairs   ▶ Review & Teardown Videos:    • Teardown & Reviews   ▶ Mailbag / Postbag Videos:    • More Mailbag Videos   ▶ Electronics Projects Videos:    • Electronics Projects   ▶ Apple Repair Videos:    • Apple Repairs   ▶ CB & HAM Radio Videos:    • CB & HAM Radio Repair and Modifications   ▶ My website: https://www.TheDefpom.co.nz ▶ My Twitter:   / thedefpom   ▶ My Thingiverse for 3D printed replacement test equipment parts: https://defs.link/?u=0347b1 ==================== My Electronics Tools (video and purchase links) ==================== Kaiweets KTI-W01 Thermal Camera: https://defs.link/?u=9af6f63 (discount code: Defpom15) UNI-T UTi260B Thermal Camera: https://defs.link/?u=f3283d7 (discount code: BG45411) KSGER T12 Soldering Iron: https://defs.link/?u=620ace http://defs.link/?u=5c112e Quick 861DW: https://defs.link/?u=138c0f https://defs.link/?u=a3fc81 Pro'skit SS-331 Desoldering Station:    • 🔴 ProsKit SS-331 Desoldering Station Revie...   S-993A: https://defs.link/?u=079677 https://defs.link/?u=e855a0 EEVBlog BM235: https://defs.link/?u=12d498 YR1030 Battery ESR: https://defs.link/?u=c56527 Heathkit IT-12 Signal Tracer. Racal Dana 1992: https://defs.link/?u=8eeeba Bird 43: https://defs.link/?u=4b18f7 Sinadder 3: https://defs.link/?u=2bf1dd Audio Control SA-3050A RTA: https://defs.link/?u=a04df2 Korad KA3305D: https://defs.link/?u=69090a PDVS2mini: https://defs.link/?u=869ba4 Valhalla 2703: https://defs.link/?u=06bcfc Feeltech FY6800: https://defs.link/?u=8b98cd http://defs.link/?u=34d101 Eakins Microscope: https://defs.link/?u=b0278b https://defs.link/?u=262327 Mustool G600: https://defs.link/?u=b8bc26 https://defs.link/?u=33f0aa Uni-T UT210E: https://defs.link/?u=391ce3 https://defs.link/?u=ea4edc DER DE-5000: https://defs.link/?u=0d9160 https://defs.link/?u=12d498 MK-328: https://defs.link/?u=0d9160 https://defs.link/?u=739ee7 MESR-100: https://defs.link/?u=0d9160 https://defs.link/?u=009419 ESR Meter: https://defs.link/?u=0d9160 HOPI: https://defs.link/?u=7fab55 PeakMeter PM6252: https://defs.link/?u=59ef66 HS1010: https://defs.link/?u=10c699