Connector Pin Assignments; Keyboard Connector; Parallel Port Connector; Serial Port Connector - Epson Apex 110 Product Information Manual

EQUITY I+

Connector Pin Assignments

Parallel Port Connector

PIN NO. SIGNAL NAME
1
-STROBE
2 DATA
1
3 DATA
4 DATA 2
5
DATA 3
DATA 4
7 DATA 5
a
DATA 6
9 DATA
11 B U S Y
PE
13
SLCT
14
FD
15
-ERROR
16
17
25 G N D

Serial Port Connector

PIN NO. SIGNAL NAME
1
NC
2
DATA
3
RECEIVED DATA
4
REQUEST TO SEND
5
CLEAR TO SEND
6
DATA SET READY
SIGNAL CROWD
8
CARRIER DETECT
9 - 1 9
N C
20
DATA TRAKSMIT READY
NC
21
22
RING INDICATOR
23-25 NC
Note. The CURRENT LOOP functions are not supported. Standard RSm232C
Interfacehas its function described
Pin 9 :
11:
Pin
Pin
RECEIVE CURRENT LOOP DATA
EQI+ -2
DESCRIPTION
DIRECTION
0
Strobe
0
Bit 1
0
Data
Data Bit 2
0
0 Data Bit 3
0
Data Bit 4
0
Data Bit 5
0
Data Bit 6
0
Data Bit 7
-Acknowledge
I
I Paper Empty
Printer Selected
I
0
I
0
-Initialize
0
-Select In
G r o u n d
DIRECTION DESCRIPTION
0
Transmitted Data
Received Data
I
Request to send
0
send
I
Data Set Ready
I
Signal Ground
I Carrier Detect
No cnnnection
Data Transmit Ready
0
No connection
Ring Indicator
I
No connection
12/12/88

Keyboard Connector

PIN NO. SIGNAL NAME
1
KBD CLK
2
KBD DATA
3
-KBD RESET
4 GND
5
6
NC
I/O Port Addresses
Address
DMA Controller
020 - 03F Interrupt Controller
040 - 05F Timer
060 - 07F Programmable Peripheral Interface
080 - 09F DMA Page Register
NMI Mask Register
OAX
200 - 20F Game Control
210-217 Expansion Unit
21F Reserved
278 - 27F Parallel Printer Port 2
Alternate Enhanced Graphics Adapter
Data Acquisition (Adapter 0)
Serial Port 2
Prototype Card
320 - 32F Hard Disk
348 - 357 DCA 3278
360 - 367 PC Network (low address)
368 - 36F PC Network (high address)
378 - 37F Parallel Printer Port 1
380 -38F
390 - 393 Cluster
3A0 - 3AF Bisynchronous (BSC) 1
Monochrome Display and Printer Adapter
3C0 -3CF Enhanced Graphics Adapter
Floppy Disk Controller
3F0 - 3F7
RTC Address Register (write only)
1185 RTC Data Register
Equity Series Computers
DESCRIPTION
DIRECTION
Keyboard Clock
I/O
Keyboard Data
-Keyboard Reset
0
Ground
Function