update project status: eMMC boot verified, condense checklist

README.md

@@ -4,27 +4,17 @@ A cyberdeck built from salvaged ASUS K501U laptop components and Orange Pi 3B SB
 
 ## Project Status
 
-**Phase:** Initial bring-up — Orange Pi 3B testing and OS setup
+**Phase:** Initial bring-up — Orange Pi 3B booting from eMMC
 
-- [x] Salvage analysis (K501U components)
-- [x] Display identification and controller board ordered ($35)
-- [x] SBC selection (Orange Pi 3B 8GB with 256GB eMMC)
-- [x] SBC purchased ($189)
-- [ ] SBC delivered
-- [x] Storage architecture planned
-- [x] USB expansion basics
-- [x] Case nomenclature and orientation defined
-- [x] Build approach: wooden case + salvaged lid canopy
-- [x] Input device: ThinkPad TrackPoint keyboard
-- [x] Power system: IP5389 board + 3S2P 18650 cells
-- [x] Video output: mechanical HDMI A/B switch
-- [x] Port layout defined (10 ports + SD reader + Kensington)
-- [ ] ~~Case design~~ (postponed — board bring-up first)
-- [ ] SBC initial bring-up and OS installation
-- [ ] Power system board selection and testing
-- [ ] Bow wall design (power input, fan exhaust)
-- [ ] Fabrication
-- [ ] Software configuration
+- [x] K501U salvage analysis complete
+- [x] Build design finalized (wooden case, TrackPoint keyboard, IP5389 power, HDMI switch, port layout)
+- [x] Display identified — eDP controller board ordered ($35)
+- [x] SBC: Orange Pi 3B 8GB/256GB — purchased and delivered
+- [x] **SBC boot from eMMC — verified** (Orange Pi OS, 3-OS partition layout, multi-boot ready)
+- [ ] Display controller board — awaiting delivery (~2 weeks)
+- [ ] Power system — board selection and cell testing
+- [ ] Case fabrication
+- [ ] Full assembly and software configuration
 
 ## Components