Macintosh Quadra 840AV General Maintenance: Revision history

23 September 2026

• curprev 01:1301:13, 23 September 2026 Josh talk contribs 9,150 bytes +3,995 Verification drive: removed unsourced rail tolerance table (Apple publishes none) and the unsourced 'replace battery every 3-5 years' advice, replaced with Apple's below-3.2 V check. Corrected cover removal (four captive screws, slide forward - not release latches). Added Apple per-device power budgets, the Reset Logic Board procedure, the load-isolation test for a noisy PSU, and integrated SMD electrolyte leakage as the primary fault. Now consistent with the capacitor guide. Cleared {{Unveri... undo

21 September 2026

• curprev 21:5221:52, 21 September 2026 Josh talk contribs 5,155 bytes +20 Verification drive: flag unverified component data pending check against a primary source undo

10 February 2026

• curprev 11:4111:41, 10 February 2026 Josh talk contribs 5,135 bytes +5,135 Created maintenance guide for Quadra 840AV