Epson Apex Installation and operation manual

APEX
Computer Specifications
CPU:
RAM:
.
&
uo-
Sbb:
gZZ:
14.4-in.
25:3 ‘5523 2 Ibi.
18.2 in.
7.3 in.
1.6 in.
2.6 Ibs.
!ZI$L?mentS:
115VAC, 60Hz. or 230VAC 50Hz
[-I
The CPU SPEED switch selects between 4.77 MHz and 8
MHz. When the computer is running at 4.77 MHz, the power
light is orange, and et 8 MHz, the light is green.
System Configuration Switches
1 2
3
45
6 7 8
9 10
Keyboard type Standard* ON
Memory size 256KB
512KB*
Monitor and

APEX
PIN ND.
SIGNAL NAME DIRECTION DESCRIPTION
PIN No.
SIGNAL NAME DIRECTION
DESCRIPTI0N
1
KBD CLK
I/O Keyboard Clock
:
MD DATA I/0 Keyboard Data
KBD RESET
0-Keyboard Reset
4
GND
Ground
5 +5V
Power
Jumper Locations

APEX
I/O Port Addresses.
210-217
21F
0
1
2
FDD Adapter
3
HDD Adapter
Timer
IRQ1
EGA PC Net 3278/79
IRQ3
Serial 2
Serial 1
Hard Disk
Floppy Disk