Epson Endeavor 486I Product Information Guide - Page 8

System I/O Address Map, Connector Pin Assignments

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EPSON ActionPC 7000, ActionTower 7000, Endeavor 486i System I/O Address Map Hex address 000-01F 020-03F 1 022-024 040-05F 060-06F 070-07F 1 080-09F 0A0-0BF 0C0-0DF 0F0 1OF1 0F8-0FF 1F0-1F8 1E0-1E7 1 200-207 278- 27F 2B0-2DF 2E1 12E2, 2E3 2F8-2FF 300-31F 360-363 1 368-36B 378-37F 380-38F 390-393 1 3A0-3AF 3B0-3BF 3C0-3CF 3D0-3DF 1 3F0-3F7 3F8 -3FF 6E2, 6E3 790- 793 1AE2, AE3 B90, B93 EE2, EE3 1390-1393 122E1 2390-2393 42E1 63E1 182E1 A2E1 C2E1 E2E1 Assigned device DMA controller 1, 8237 Interrupt controller 1, 8259 Reserved Timer, 8254 Keyboard controller, 8242PE Real-time clock NMI (non-maskable Interrupt) 1DMA page register, 74LS612 Interrupt controller 2, 8259 DMA controller 2, 8237 Clear math coprocessor Reset math coprocessor Math coprocessor Primary hard disk Interface Secondary hard disk Interface 1Game I/O Parallel printer port 2 Alternate enhanced graphics adapter GPIB (adapter 0) 1Data acquisition (adapter 0) Serial port 2 Prototype card Available Available Parallel printer port 1 Available Available Available Available Available Available Diskette drive controller Serial port 1 Available Available Available Available Available Available Available Available Available Available Available Available Available Available Serial port connector pin assignments (J4 and J5) Pin Signal Pin Signal 1 Data carrier detect 6 Data set ready 2 Receive data 7 Request to send 3 Transmit data 8 Clear to send 4 Data terminal ready 9 Ring indicator I5 1Ground II I Keyboard and mouse connector pin assignments (J1 and J3) Pin Signal 1 Data 2 NC 3 Ground Pin Signal 4 Vcc 5 Clock 6 NC VGA port connector pin assignments (J7) LED connector pin assignments (J21) Pin Signal Pin 1 NC 11 2 Turbo LED (yellow) 12 3 Turbo LED (white) 13 4 NC 14 5 NC 15 6 NC 16 7 NC 17 8 NC 18 9 Hardware reset (white) Signal Power LED (yellow) NC Power LED (white) NC NC NC Speaker (red) NC HDD LED connector pin assignments (J15) Pin 1 Signal 1 1Red 1 Pin 1Signal Power supply connector pin assignments (J9) Connector Pin Assignments Parallel port connector pin assignments (J6) 6 Data 4 7 Data 5 8 Data 6 9 Data 7 * Active low logic 15 Error * 16 lnit * 17 Selectin * 18 Signal around 24 Signal ground 25 Signal ground Diskette dke connector pin assignmL&s (112) Pin* 1 Signal 2 1NC 4 NC 6 NC 8 Index 10 Motor A 12 Drive B 14 Drive A 16 Motor B 18 Direction 22 Write data 24 Write enable 26 Track 0 28 Write protect 30 Read data 32 Select header 0 34 Disk change * All odd-numbered pins are grounds 8 - ActionPC 7000, ActionTower 7000, Endeavor 486i 5/19/95

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EPSON ActionPC 7000, ActionTower 7000, Endeavor 486i
System I/O Address Map
Serial port connector pin assignments (J4 and J5)
Pin
Signal
Pin
Signal
1
Data carrier detect
6
Data set ready
2
Receive data
7
Request to send
3
Transmit data
8
Clear to send
4
Data terminal ready
9
Ring indicator
Hex address
000-01F
020-03F
Assigned device
DMA controller 1, 8237
Interrupt controller 1, 8259
1
022-024
Reserved
I5
1
Ground
II
I
I
040-05F
060-06F
070-07F
Timer, 8254
Keyboard controller, 8242PE
Real-time clock NMI (non-maskable Interrupt)
Keyboard and mouse connector pin assignments (J1 and J3)
1
080-09F
1
DMA page register, 74LS612
Pin
Signal
Pin
Signal
1
Data
4
Vcc
2
NC
5
Clock
3
Ground
6
NC
0A0-0BF
0C0-0DF
0F0
Interrupt controller 2, 8259
DMA controller 2, 8237
Clear math coprocessor
1
OF1
Reset math coprocessor
VGA port connector pin assignments (J7)
0F8-0FF
1F0-1F8
1E0-1E7
Math coprocessor
Primary hard disk Interface
Secondary hard disk Interface
1
200-207
1
Game I/O
278-
27F
2B0-2DF
2E1
Parallel printer port
2
Alternate enhanced graphics adapter
GPIB (adapter 0)
1
2E2, 2E3
1
Data acquisition (adapter 0)
2F8-2FF
300-31F
360-363
Serial port 2
Prototype card
Available
LED connector pin assignments (J21)
Pin
Signal
Pin
Signal
1
NC
11
Power LED (yellow)
2
Turbo LED (yellow)
12
NC
3
Turbo LED (white)
13
Power LED
(white)
1
368-36B
Available
378-37F
380-38F
390-393
Parallel printer port 1
Available
Available
4
NC
5
NC
6
NC
7
NC
8
NC
14
NC
15
NC
16
NC
17
Speaker
(red)
18
NC
1
3A0-3AF
Available
3B0-3BF
3C0-3CF
3D0-3DF
Available
Available
Available
1
3F0-3F7
Diskette drive controller
9
Hardware reset (white)
HDD LED
connector pin
assignments (J15)
3F8
-3FF
6E2, 6E3
790-
793
Serial port
1
Available
Available
1
AE2, AE3
Available
B90, B93
EE2, EE3
1390-1393
Available
Available
Available
Pin
1
Signal
1
1
Red
1
Pin
1
Signal
1
22E1
Available
Power
supply
connector pin assignments (J9)
2390-2393
42E1
63E1
Available
Available
Available
1
82E1
Available
A2E1
C2E1
E2E1
Available
Available
Available
Diskette
dke
connector pin
assignmL&s
(112)
Connector Pin Assignments
Pin*
1
Signal
2
1
NC
Parallel port connector pin assignments (J6)
4
NC
6
NC
8
Index
10
Motor A
12
Drive B
14
Drive A
16
Motor B
18
Direction
22
Write data
24
Write enable
26
Track 0
28
Write protect
30
Read data
32
Select header
0
34
Disk change
6
Data
4
15
Error *
24
Signal ground
7
Data
5
16
lnit *
25
Signal ground
8
Data
6
17
Selectin *
9
Data
7
18
Signal around
*
All odd-numbered pins are grounds
* Active low logic
8 - ActionPC 7000, ActionTower 7000, Endeavor 486i 5/19/95