System unit
Contents
Chapter 2
Chapter 2
Chapter 5
Chapter 6
Chapter 3
Chapter 2
2/22 LS PRO HARDWARE TECHNICAL REFERENCE
Parallel port
The parallel port uses a female 25-pin D-shell
13
1
25
14
connector.
Pin
I/O
Signal name
Pin
I/O
Signal name
1
I/O
Strobe
14
O
Autofeed XT-
2
I/O
Data bit 0
15
I
Error-
3
I/O
Data bit 1
16
O
Init-
4
I/O
Data bit 2
17
O
Slct In-
5
I/O
Data bit 3
18
NA
Ground
6
I/O
Data bit 4
19
NA
Ground
7
I/O
Data bit 5
20
NA
Ground
8
I/O
Data bit 6
21
NA
Ground
9
I/O
Data bit 7
22
NA
Ground
10
I
Ack-
23
NA
Ground
11
I
Busy
24
NA
Ground
12
I
PE
25
NA
Ground
13
I
SLCT
Keyboard/mouse
The keyboard and mouse connectors are miniature 6-pin
6
4
2
1
3
5
connectors
DIN connectors.
Pin
I/O
Signal name
1
I/O
Data
2
NA
Reserved
3
NA
Ground
4
NA
+5Vdc
5
I/O
Clock
6
NA
Reserved
Содержание Apricot LS Pro
Страница 1: ...apricot HARDWARE TECHNICAL REFERENCE MITSUBISHI ELECTRIC LS Pro ...
Страница 2: ...HARDWARE TECHNICAL REFERENCE ...
Страница 6: ...CONTENTS ...
Страница 9: ...Chapter 1 INTRODUCTION ...
Страница 14: ...Chapter 2 SYSTEM UNIT ...
Страница 37: ...Chapter 3 SYSTEM BOARD ...
Страница 60: ...Chapter 4 PERIPHERAL ITEMS ...
Страница 91: ...Chapter 5 MEMORY AND I O USAGE ...
Страница 118: ...Appendix A SPECIFICATIONS ...
Страница 125: ...Appendix B REVISION C SYSTEM BOARD ...
Страница 130: ...ERROR BEEP CODES Appendix C ...
Страница 134: ...INDEX ...