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Accordion M1

ESH10000597 · Rev R0

in_progresselectronics

Accordion M1 main board — R0 prototype. USB-C PD 20V input, TPS259474 E-Fuse protection on 3 rails, regulated outputs 5V/12V/3.3V/2.5V/1.8V/2.5VREF. Module connectors: SO-DIMM (J9), M2 (J15), N-Top (J10/J11/J12), Comtop (J3). I2C bus mux (74CB3Q3251) Ch0–Ch7. ADC monitoring via AD5593R (U24). Fan control via MAX6650 (U21). LED driver LP5012. RTC PCF8523 (U32). T1DATA[0:95] bidirectional bus routing. Enclosure: Hammond box with front/back/top panels.

Reports ↗Audit Log
0% Coverage
0% Done
0 Requirements
40 Test Cases
7 Open Entries
RelationProject
Predecessor of ESH10000597 R1 — Accordion M1

Timeline

Color = derived gate state · hover a tile for its note.
overdue / blocked
🏁 Release
· 3/6

Status & gates

Chronological — Release is the final gate. Derived & read-only; edit via please_milestone_* tools.
Release / Readiness overdue / blocked 3/6 met1 failing
pending Requirements approved
  • No requirements in scope
pending Coverage ≥ 100%
  • No requirements in scope
failing All test cases pass
  • 33/40 passed
  • 4 failing: TC-S-00, TC-M-08, TC-D-06, TC-S-01
  • 3 not yet run
met No blocking issues open
met Deviations resolved
met Interfaces frozen
⚠ Attention 7 open entries

Test Cases

32 Pass 4 Fail / Deviated 1 N/A 3 Open0 / 40 Maestro impl.

Coverage — 0.0% · Done — 0.0%

0 Done 0 Partial 0 Not Started 0 Missing0 Obsolete
Entries
8 of 8
CodeKindTitleSeverityScopeStatusCreated
E-001 notice ISS-001/002: All 3 E-Fuse OVLO dividers wrong — R14/R24/R64 DNP workaround, blocking for R1 warning record open 2026-05-25
E-002 notice ISS-009: I2C Ch7 absent from FW after ISS-008 fix — SW follow-up pending info record open 2026-05-25
E-003 notice ISS-011: PCF8523 (U32) removed as R0 workaround — RTC non-functional on DUT-01 info record open 2026-05-25
E-004 notice ISS-010: U24 monitoring calibration error — S.00/S.01 fail; SW + R1 resistor fix needed warning record open 2026-05-25
E-005 notice 19 open DL entries for R1 — 7 are Sev 4–5 critical changes warning record open 2026-05-25
E-006 notice ISS-012: UART SO-DIMM fail — wrong GPIO routing (GPIO12/13 vs GPIO14/15), R1 layout fix required warning record open 2026-05-25
E-007 decision I2C channels 5, 6, 7 verified by inference from channels 0–4 info record closed 2026-05-26
E-008 notice I2C bus mux (74CB3Q3251) Ch3 NAKs at cold boot info record open 2026-06-04