Product information guide

EPSON NX
Connector Pin Assignments
Parallel Port Connector (CN5)
pin 13 pin 1
t-1
pi;25
I
pin 14
Parallel Port Connector Pin Assignments
Pin Signal Pin Signal
Pin Signal
1
strobe
10
ACK’ 19
Signal ground
19 IData
*Active low kgic
I 16 I Signal ground
I
Serial Port Connectors (CN4 and CN8)
Serial Port Connector Pin Assignments
Pin Slgnai
Pin Slgnai
1
Data carrier detect
6 Data set ready
2 Receive data
7
Request to send
3 Transmit data
6 Clear to send
4
1 Data temjnai ready
IQ 1 Ring indicator
5 INotused
I
I
Keyboard Connector (CN10) and
Mouse Connector (CN9)
pin6
pin 5
F%
I
““‘w pin3
pin2
pin 1
Caution
Although the keyboard and mouse connectors are
physically identical, they cannot be used interchangeably.
Keybcuzrd and Mouse Connector Pin Assignments
VGA Port Connector (CN2)
Pin 5
pin 10
pin 15
pin 1
pin6
ptn 11
VGA Port Connector Pin Assignments
VGA Feature Connector (CN17)
pin 1
pin 25
pin2
l eeoeaeoeae
pin 26
VGA Feature Connector Pin Assignments
Pin Signal
1 Data0
Pin Signal
10 BLANK
Pin Slgnai
19
ENPCLlC
12 IData
11
HSYNC 20 Not connected
12
VSYNC 21 Ground
a3 13
Ground
22 Ground
Data2
Dat
Data4
Data5
14
Ground 23 GtWnCt
15
Ground
24 Ground
17 IData
I 16 ] Ground
- -..-.-_
I25 1 Not connected
I
6 Data7
1 17
1 ENDATA’
I26 1 Not connected
9
PCLK I16
1 ENSYNC* I
*A&e low logic
DMA Assignments
Level
Assigned device
DMAO spate p-bit)
DhAAl span3 @-bit)
DMA2
Floppy disk dttve controller (&bit)
DMA3
spam p-bit)
DMA4
Cascade to DMA controller 1
DMA5 span3 (M-bit)
DMA6
spare (Mbit)
DMA7
spare (w-bit)
Pin Signal
Pin
Signal
1 Data
4
+5 VDC (fused)
2
ReSeWed 5
clock
3
Ground
6
Reserved
6/30/93
EPSON NX-5