Atari Portfolio User Manual

The lable
below shows lhe
Portlolio key
combinalions
ihat
replace PC
single keystrokes'
PC
KaYboard
IHOMEI
IPG
UPI
IPG
DN]
IENDI
TCTRLI IBREAKI
ICAPS
LOCKI
INUM
LOCKI
[scRoLL
LOCK]
IINSEBII
ICTBLI TNUMLOCXI
[PBINT
SCREENI
EI
I'I
t'l
Portlolio
Kevboard
IFnl IL6rl
ArroYI
IFhI IUD
ATToTI
lFnl loorn
^rrorl
IFnl lRiohi
Atrorl
tFnl tBl
or
tclrll IFnI
Isl
tshiltl
lLockl
o.
IFnl
tcl
I^taril tLockl
or
tFn! INI
tFnl tLoc*l
or
lFnl
IsI
lFnl toell
lFnl tol
or
tctrll tFnl
tNI
tFnt tPl
or
tclrll
IFnl lPl
I^ll]
I0
t^xl 0l
t^hl u
The
Numeric
Keypad
The Porllolio's
numeric kevpad
keys
are shared
wilh other
kevboard leller xevs
On the
leYboard ls a
group
ol keys
with
rei nrJmbers rn thi uooer
riqnt hand corner
ol each
key. The
numbers or svmbols
lri red
represenl
lhe numeric
keypad
number oi th6 kev When
lhe numerrc
kevpad
is selected
lhe
key
represenls lh;
numbel
rn reo When
the keypad
is not
select;d,
the key
represenls
the lelter
appearing
on the key.
To switch
on lhe
numertc heypad
hold
down
lLockl
and
press
IAtaril
(see
also Num
Lock
above).
For mole details
ol how
ind when lo
r.:se the numeric
kevpad
see Calculalor
ln
Chapler
Five.
20

Atari Portfolio Specifications

General

Processor	Intel 80C88
Clock Speed	4.9152 MHz
RAM	128 KB
Battery	3 x AA batteries
Manufacturer	Atari Corporation
Release Year	1989
Display	LCD, 240x64 pixels
Ports	Parallel and serial ports
Power	3 x AA batteries or external power supply
Storage	128 KB internal, external solid-state memory cards (up to 4MB)
Operating System	DIP-DOS (MS-DOS compatible)