Speaker interface

Option slots

Internal, controlled by timer/ counter

Five, B-bit IBM-compatible input- output expansion slots; one slot is occupied by a display adapter card and on the Apex 100\20, another contains the hard disk drive controller card

Keyboard

 

Detachable,

three positions,

 

84 sculpted

keys

Layout

56-key QWERTY main keyboard,

 

l&key numeric pad, 10 function

 

keys

(user-definable)

Function keys

Three

levels (normal/shift/alternate)

 

user-definable

Mass Storage

 

 

Two internal drives maximum

Standard

diskette drive

5 1/4-inch; half-height diskette

 

 

drive; double-sided, double-density,

 

 

36OKB storage capacity

Standard

hard disk drive

5 1/4-inch or 3 1/2-inch (5 1/4-inch

 

 

frame), half-height internal hard

 

 

disk drive; 20MB storage capacity

Optional

 

3 1/2-inch (5 1/4-inch frame), half-

 

 

height diskette drive; double-sided,

 

 

double-density, 720KB storage

 

 

capacity

B-2 Specifications