Epson Equity II Product Manual page 5

Serial Port Connector
1 2 3 4 5
6 7 9
SIGNAL NAM
CRDET
1
RXDT
2
TXDT
3
DTR
4
5
SG
DSR
6
7
RTS
a CTS
9 RI
Keyboard Connector
,
PIN ND.
1 KBD CLK
KBD DATA
2
3 KEY
4 GND
5 vcc
Jumper Settings
Main Circuit Board
Equity Series Computers
DESCRIPTION
Data Carrier Detect
I
Receive Data
I
Transmit Data
0
Data Terminal Ready
0
Signal Ground
Data Set Ready
Request to Send
0
I Clear to Send
Ring indicator
I
1
Keyboard Clock
Keyboard Date
No Connection
Ground
Power
12/12/88
E Q U I T Y I I + ( 1 0 M H z )
Main Circuit Board
Jumper
1 2 3 4 5
* EPROM 1 wait (note)
A
B
* 16-bit option card 1 wait (note)
A A
B A
A B
B B
* Coprocessor clock speed 8 MHz
A A
A B
B A
B B
* Factory Settings
Selectable wait states only available
Note:
Memory Board
Memory Board
3 ,
PAM 512 KB
Prohibited
PAM 256 KB
* EPROM 21728 type
EPROM 27256 type
Function
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
at 10 MHz
EQII + - 5