Main Board for C540 C560 (1PC) — CHIH61S CIH81S LA-9301P LA-A061P

Replacement main board offered as a single unit (1PC) compatible with laptop models C540 and C560. Board identifiers include CHIH61S and CIH81S, with part numbers LA-9301P and LA-A061P. Supplied as a direct OEM-type motherboard for repairs or upgrades of the specified models.