Boardview for the Apple A1311 iMac logic board 820-2494-A, supplied in BRD format inside a 414 KB RAR archive. Apple's 820-xxxx part numbers are printed on the logic board and identify the exact design, with the suffix letter giving the revision. Opened in OpenBoardView or FlexBV, the file shows component placement and nets, helping to find test points, trace power rails and locate a shorted capacitor. Compare the number on the PCB with 820-2494-A before relying on it.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @schematicslaptop. Enginerys does not host this file.
All sources (4)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 7 Feb 2023 | Open file on RM Schematics |
| @boardviewsandachematics | 2 Sept 2025 | Open file on RM Schematics |
| @cyberlanelectonik | 4 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 14 Aug 2026 | Open file on RM Schematics |
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.