User Manual
Page 77
... in optical drives. CLASS 4: Class 4 lasers are high-power lasers that are eye-safe and consequently require no controls. The POST checks system memory, the motherboard circuitry, the display, the keyboard, the diskette drive, and other I/O devices. Consequently, no controls (Class 1) to very hazardous, requiring strict controls (Class 4). PCI is a specification...
... in optical drives. CLASS 4: Class 4 lasers are high-power lasers that are eye-safe and consequently require no controls. The POST checks system memory, the motherboard circuitry, the display, the keyboard, the diskette drive, and other I/O devices. Consequently, no controls (Class 1) to very hazardous, requiring strict controls (Class 4). PCI is a specification...