Epson EQUITY II+ Manuale del prodotto - Pagina 2

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Epson EQUITY II+ Manuale del prodotto
EQUITY II+ (12 MHz)
Serial Port Connector
1
2
3
4
5
6 7 8 9
PIN NO.
SIGNAL NAh4E
1
CRDET
.
2
RXDT
3
TXDT
4
DTR
5
SG
6
DSR
7
RTS
a
CTS
9
RI
Keyboard Connector
1
SIGNAL NAME
PIN NO.
1
KBD CLK
KBD DATA
2
3
KEY
4
GND
5
vcc

Jumper Settings

Main Circuit Board
- 2
EQII+
DESCRIPTION
Data Carrier Detect
I
Receive Data
Transmit Data
Data Terminal Ready
0
Signal Ground
Data Set Ready
Request to Send
0
Clear to Send
I
Ring Indicator
I
DESCRIPTION
Keyboard Clock
Data
Keyboard
No Connection
Ground
Power
I
1 2 / 1 2 / 8 8
Main Circuit Board
Jumper
I
2
3
4
5
* EPROM
4
3
* 16-bit option card 1 wait (note)
A
A
B
A
A
B
B
B
A
* Coprocessor clock speed 8
A
B
A
B
A
B
B
I -
* Factory Settings
Note:
Selectable wait states only available at 12 MHz
Memory Board
Memory Board
Jumper
I
3
I
* PAM 640
A
A
PAM 512
B
A
B
Prohibited
A
PAM 256
B
B
* EPROM 21728 We
A
EPROM 27256 type
B
* Factory Settings
Function
1 wait (note)
EPROM 2 wait (note)
16-bit option card 2 wait (note)
16-bit option card 3 wait (note)
16 -bit option card 4 wait (note)
Prohibited
Prohibited
Coprocessor clock speed 213
CPU speed
Function
KB
KB
KB
Equity Series Computers
MHz