Apple Macintosh LC - Manual (Page 158)

Video RAM
- 256K video RAM, upgradable to 512K
- With 256K video RAM, these video modes are supported:
512 x 384 pixels with 1, 2, 4, and 8 bits per pixel 640 x 480 pixels with 1,
2, and 4 bits per pixel
- With 512K video RAM, these video modes are supported:
512 x 384 pixels with 1, 2, 4, 8, and 16 bits per pixel 640 x 480 pixels with
1, 2, 4, and 8 bits per pixel
Disk drives
- Built-in SuperDrive 1.4 MB high-density floppy disk drive
- Optional internal 40 MB Apple SCSI hard disk drive or optional second
internal SuperDrive
- Optional external Apple SCSI hard disk drives (several capacities
available)
- Optional internal 80 MB Apple SCSI hard disk drive with upgrade kit
Sound generator
- Custom sound chip, including mono sampling generator capable of driving
stereo miniature phone jack headphones or stereo equipment by sending the
same output into each channel
Interfaces
- One Apple Desktop Bus port supports a keyboard, mouse, and other devices
daisy-chained through a low-speed, synchronous serial bus (maximum of three
chained devices)
- Two serial (RS-232/RS-422) ports, 230.4 Kbits per second maximum (up to
0.920 megabits per second if clocked externally)
- SCSI interface
- Video port supports RGB and monochrome monitors of various sizes and
resolutions
- Internal expansion slot for processor-direct expansion card
- Sound output port capable of delivering monophonic sound to both channels
of a stereo device
- Sound input port for monaural sound input
Input
- Line voltage: 100-240 volts AC, RMS automatically configured
- Frequency: 50-60 Hz 3 Hz single phase