Used condition; may have wear and age related marks. See pics for condition / what’s included / testing conducted. Hewlett-Packard M1053-66515 40MHz CPU Board Patient Monitor Photographs show a Hewlett-Packard processor board with exact part number M1053-66515. Specialist medical-equipment documentation identifies M1053-66515 as a Hewlett-Packard CPU 40 MHz board. Condition: Used industrial surplus item with age/storage/cosmetic wear possible. Untested unless explicitly stated; see photographs for exact condition and included parts. Please match the exact photographed identifier, configuration and connectors to your application before purchase. Includes x1 HP M1053-66515 CPU board as photographed.