Epson Equity LT Manuale del prodotto - Pagina 2

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Epson Equity LT Manuale del prodotto
EQUITY LT
Back Panel DIP Switch Settings
Switches
12
3
4
O N
O F F
O N
O F F
O N
O F F
System Board Jumper Adjustment
Jumper 5 is used to control the LED showing drive access
In position A, it supports a FDD.
for the left-hand drive.
In position B, it supports a HDD.

Connector Pin Assignments

Parallel Port Connector
13
2 5
EQLT - 2
Functions
Use external diskette drive
Use parallel printer
External diskette drive is B
External diskette drive is A
1 FDD
2 FDDs
Serial port is secondary
Serial port is primary
12/12/88
PIN NO. SIGNAL NAME DIRECTION
1
-STROBE
0
DATA0
DATA1
4
0
5
DATA3
0
6
DATA4
7
DATA5
8
DATA6
0
9
DATA7
0
10
-ACK
I
11
I
BUSY
12
I
I
13
I
14
-AUTOFD
I
15
-ERROR
I
16
I
17
-SLCTIN
18-25
GND
Serial Port Connector
PIN NO. SIGNAL NAME DIRECTION
1
I
CRDET
RXDT
I
TXDT
4
DTR
SG
DSR
RTS
I
CTS
RI
I
9
Monitor Connector
PIN NO. SIGNAL NAME DIRECTION
ROUT
GOUT
BOUT
NC
HSYNC
VSYNC
DESCRIPTION
Strobe
Printer Data 0
Printer Data 1
Printer Data 2
Printer Data 3
Printer Data 4
Printer Data 5
Printer Data 6
Printer Data 7
Acknowledge
Printer Busy
Paper End
Printer Select
Auto Feed
Printer Error
Printer Initialize
Printer Select
Ground
DESCRIPTION
Data Carrier Detect
Receive Data
Transmit Data
Data Terminal Ready
Signal Ground
Data Set Ready
Request to send
Clear to Send
Ring Indicator
DESCRIPTION
Frame Ground
Ground
Video Signal (Red)
Video Signal (Green)
Video Signal (Blue)
Video Signal (Intensity)
No connection
Horizontal Sync.
Vertical Sync.
Equity Series Computers