Epson Equity 286 PLUS Handleiding productinformatie - Pagina 3
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Mouse Connector
Pin 44
Pin 2
Mouse Connector Pin Assignments
Power Connector
I
000000000000
12
Power Connector Pin Assignments (CN-6)
Pln
1
Power Good
2
3
4
5
GND
GND
6
l/O Port Addresses
Function
DMA Controller 1
I
OAO-OBF
DMA Controller 2
EMS Support
OFO-OFF
Numeric Coprocessor
Hard Drsk Controller
278-27F
Parallel Port 1
Serial Port 1
Parallel Printer Port 0
Parallel Port 2 (on some vrdeo boards)
Floppy Drsk Controller
Serial Port 0
Equity Series Computers
Pin 1
11 10 9 8 7 6 6 4 3 2 1 I
Pln
. _
7
GND
8
GND
- 5 v
10
11
DMA Channel Assignments
Function
0
Floppy drsk transfers
2
3
Spare (Hard drsk drive)
4
Cascade of data from channel O-3
5
6
7
Hardware Interrupts
I
Jumper Settings
Jumper
number
I
I
A'
J5
B
J6
A
B
9/17/91
EQUITY 286 PLUS
Keyboard
Interrupt from Controller 2
Parallel port 2
Floppy drsk interrupt
Parallel port 1
RTC interrupt
Software redrreded to IRQ2
I
Mouse, pointing device
Coprocessor
Hard disk controller
Reserved
Function
Enables IRQQ signal tar burtt-rn VGA adapter
Enables IRQQ signal for a display adapter on
an adapter card
Sets the computer to use an 8MHz
math coprocessor
a
Sets the computer to use
1 OMHz
math coprocessor
Enables the built-n VGA adapter
Enables the burtt-in mouse port
A color monitor
installed
IS
A mono monttor
installed
IS
Disables the password function
Enables the password fundion
286 PLUS-3