Download Epson Apex Product Information Guide

APEX
Computer Specifications
[-I
CPU:
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.
RAM:
.
&
System Configuration Switches
1
uoSbb:
Keyboard type
gZZ:
Memory size
256KB
512KB*
Monitor
14.4-in.
25:3
‘5523
2
Ibi.
!ZI$L?mentS:
Standard* ON
18.2 in.
7.3 in.
1.6 in.
2.6 Ibs.
115VAC, 60Hz. or 230VAC 50Hz
and
2
3
4
5
6
7
8
9 10
APEX
PIN ND.
SIGNAL NAME
DIRECTION
DESCRIPTION
PIN No.
1
:
4
5
Jumper Locations
SIGNAL NAME
KBD CLK
MD DATA
KBD RESET
GND
+5V
DIRECTION
I/O
I/0
0
DESCRIPTI0N
Keyboard Clock
Keyboard Data
-Keyboard Reset
Ground
Power
APEX
I/O Port Addresses.
0
1
2
3
FDD Adapter
HDD Adapter
210-217
21F
Timer
IRQ1
EGA PC Net 3278/79
IRQ3
Serial 2
Serial 1
Hard Disk
Floppy Disk