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Epson Endeavor 486I Manual de informações do produto
EPSON ActionPC 7000, ActionTower 7000, Endeavor 486i

System I/O Address Map

Hex address
Assigned device
000-01F
DMA controller 1, 8237
020-03F
Interrupt controller 1, 8259
Reserved
040-05F
Timer, 8254
060-06F
Keyboard controller, 8242PE
070-07F
Real-time clock NMI (non-maskable Interrupt)
0A0-0BF
Interrupt controller 2, 8259
0C0-0DF
DMA controller 2, 8237
0F0
Clear math coprocessor
Reset math coprocessor
0F8-0FF
Math coprocessor
1F0-1F8
Primary hard disk Interface
1E0-1E7
Secondary hard disk Interface
278- 27F
Parallel printer port 2
2B0-2DF
Alternate enhanced graphics adapter
2E1
GPIB (adapter 0)
2F8-2FF
Serial port 2
300-31F
Prototype card
360-363
Available
Available
378-37F
Parallel printer port 1
380-38F
Available
390-393
Available
Available
3B0-3BF
Available
3C0-3CF
Available
3D0-3DF
Available
Diskette drive controller
3F8 -3FF
Serial port 1
6E2, 6E3
Available
790- 793
Available
Available
B90, B93
Available
EE2, EE3
Available
1390-1393
Available
Available
2390-2393
Available
42E1
Available
63E1
Available
Available
A2E1
Available
C2E1
Available
E2E1
Available

Connector Pin Assignments

Parallel port connector pin assignments (J6)
6
Data 4
15
7
Data 5
16
8
Data 6
17
9
Data 7
18
* Active low logic
8 - ActionPC 7000, ActionTower 7000, Endeavor 486i 5/19/95
Error *
24
Signal ground
lnit *
25
Signal ground
Selectin *
Signal around
Serial port connector pin assignments (J4 and J5)
Pin
Signal
1
Data carrier detect
2
Receive data
3
Transmit data
4
Data terminal ready
Keyboard and mouse connector pin assignments (J1 and J3)
Pin
Signal
1
Data
2
N C
3
Ground
VGA port connector pin assignments (J7)
LED connector pin assignments (J21)
Pin
Signal
1
N C
2
Turbo LED (yellow)
3
Turbo LED (white)
4
N C
5
N C
6
N C
7
N C
8
NC
9
Hardware reset (white)
HDD LED connector pin assignments (J15)
Pin
1
Power
connector pin assignments (J9)
supply
Diskette dke connector pin assignmL&s (112)
Pin* 1 Signal
2
4
N C
6
N C
8
Index
10
Motor A
12
Drive B
14
Drive A
16
Motor B
18
Direction
* All odd-numbered pins are grounds
Pin
Signal
6
Data set ready
7
Request to send
8
Clear to send
9
Ring indicator
I
Pin
Signal
4
V c c
5
Clock
6
N C
Pin
Signal
11
Power LED (yellow)
12
N C
13
Power LED (white)
14
N C
15
N C
16
N C
17
Speaker (red)
18
NC
22
Write data
24
Write enable
26
Track 0
28
Write protect
30
Read data
32
Select header 0
34
Disk change
I