ms 7826 motherboard interconnections (wiring) - HP Community
Wait, the user mentioned "ver 1.0 manual," so maybe it's a software version of the manual for a device. Could be firmware or an app. Alternatively, maybe it's a manual for a specific machine or tool that has a version 1.0 of its manual. Without more info, this is challenging. ms 7826 ver 1.0 manual