Caple C871i Manual de usuario descargar pdf (Pagina 257)

Apple II Computer Info

Case has handle that doubles as a prop to raise the

rear of the computer for easy typing.

9. Keyboard:

Full layout keyboard with numeric keypad and function

keys. The copyrighted Open Apple and Closed Apple

have been replaced with Open Laser and Closed Laser

symbols. The keys have rollover and full travel and

a very nice feel.

10. Display:

The Laser 128EX/2 has all the graphics modes found on

the Apple IIc, with an extra character set for RGB.

--Text mode: 40x24 and 80x24. Characters are formed

by a 7x8 pixel matrix ON THE COMPOSITE OUTPUT. The

128EX/2's Video Display Generator chip also provided

both analog RGB video (for connecting an Apple IIGS,

Amiga, or Atari ST monitor) and digital RGB video

(for connecting a CGA monitor). In RGB mode, the

Video Display Generator (VDG) chip generates a text

character set identical to an IBM PC (with the

addition of the Open and Closed Triangle characters

and MouseText). Text mode is monochrome.

--Low Resolution: 40x48 pixels in 16 colors.

--Double Low Resolution: 80x48 pixels in 16 colors.

--High Resolution: 280x192 pixels in 6 colors

--Double High Resolution: 560x192 pixels in 16 colors.

--Combinations/Variations: 4 lines of text mode can

be mixed with a truncated Low Resolution or High

Resolution mode graphic. The text in mixed mode can

be either 40 column or 80 column.

11. Audio:

Simple beeper driven by the CPU. Because the Laser's

motherboard operates at 3.6Mhz (notice that it requires

120ns or faster RAM), sound in programs designed for

earlier Apple IIs is often distorted.

12. Media:

The Laser 128EX/2 has a built in 3.5" double-sided,

double-density floppy drive with a storage space of 800K.

The drive and the external daisy-chain floppy "SmartPort"

is driven by Video Technology's custom "Universal Disk

Controller" (UDC) disk array chip. The SmartPort supports

Apple IIe/IIc UniDisks (3.5" and 5.25" models), Macintosh

3.5" drives (the ones without the buttons), Apple IIGS

daisy-chain 3.5" drives and Apple 5.25" drives. It is

also designed to support the Chinook CT-series 20MB to

100MB SmartPort hard drives.

The SmartPort can support two 800K 3.5" drives, two

140K 5.25" drives, and one 100MB CT100 hard drive

simultaneously daisy-chained to each other.

The Laser 128EX/2 has one Apple bus compatible expansion

slot on the side opposite the 3.5" disk drive. This bus

can hold an Apple High Speed (DMA) SCSI controller for

running additional SCSI based storage devices.

Apple II Computer Technical Information : Apple II Family Hardware Info

ftp://ground.ecn.uiowa.edu/2/apple2/miscinfo/hardware : May 2001 : 257 of 572

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Caple C871i Manual de usuario Pagina 257

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