Apple Power Macintosh G3 Technical Information download pdf (Page 13)

Data capacity

m CD

m 656 megabytes (MB), Mode 1

m 748 MB, Mode 2

m DVD

m 4.70 gigabytes (GB), single-sided, single-layer

m 8.54 GB, single-sided, double-layer

m 9.40 GB, double-sided, single-layer

m 17.08 GB, double-sided, double-layer

Laser for CD-ROM drive

m Type: Semiconductor AlGaAs laser

m Wavelength: 775–815 nanometers (nm) (typical 790 nm)

m Output Power:

m Laser Power: 3.3 milliwatts (mW)

m Power out of object lens: 0.2 mW (typical), 0.5 mW (maximum)

m Beam divergence:

m Horizontal: 8º–16º (typical 12º)

m Vertical: 20º–55º (typical 35º)

Laser for DVD-ROM drive

m Type: Semiconductor GaAs laser

m Wavelength: 650–668 nm (typical 658 nm)

m Output Power:

m Laser Power: 6 mW

m Power out of object lens: 0.95 mW (typical), 2 mW (maximum)

m Beam divergence:

m Horizontal: 7º–11º (typical 8.5º)

m Vertical: 19º–32º (typical 27º)

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Apple Power Macintosh G3 Technical Information Page 13