Early PS2s had a significant flaw: the DVD laser often required recalibration or failed entirely over time due to a cheap plastic gear. The SCPH-10000MEC is susceptible to this. A "mint" unit is often kept in a box for this very reason—these are collector's items, not daily drivers.
These early units did not have the DVD player software baked into the hardware's BIOS. To watch a movie, you had to load a "DVD Player" disc and save the software to an 8MB Memory Card. scph10000mec
Most famously, these consoles do not have DVD playback software built into their ROM. Owners had to use a Utility Disc Early PS2s had a significant flaw: the DVD