Connectors
E-3
Main Power Connector
Main Power Connector Pinout
Pin
Signal
Wire color
Pin
Signal
Wire color
1
+3.3 VDC
Orange
11
+12 VDC
Yellow
2
+3.3 VDC
Orange
12
+3.3 VDC
Orange
3
COM
Black
13
+3.3 VDC
Orange
4
+5 VDC
Red
14
-12 VDC
Blue
5
COM
Black
15
COM
Black
6
+5 VDC
Red
16
PS_ON
Green
7
COM
Black
17
COM
Black
8
PWR-OK
Grey
18
COM
Black
9
+5 VSB
Purple
19
COM
Black
10
+12 VDC
Yellow
20
-5 VDC
White
Diskette Drive Connector
Diskette Drive Connector Pinout
Pin
Signal
Pin
Signal
1
GND
18
FD_DIR_L
2
FD_DENSEL
19
GND
3
GND
20
FD_STEP_L
4
N/C
21
GND
5
Key
22
FD_WDATA_L
6
FD_DRATE0
23
GND
7
GND
24
FD_WGATE_L
8
FD_INDEX_L
25
GND
9
GND
26
FD_TRK0_L
10
FD_MTR0_L
27
FD_MSEN0
11
GND
28
FD_WPROT_L
12
FD_DR1_L
29
GND
13
GND
30
FD_RDATA_L
14
FD_DR0_L
31
GND
15
GND
32
FD_HDSEL_L
16
FD_MTR1_L
33
GND
17
FD_MSEN1
34
FD_DSKCHG_L
Summary of Contents for NEAX Express
Page 1: ... S e r v i c e a n d R e f e r e n c e G u i d e NEAX Express ...
Page 2: ...NEC ...
Page 3: ... S e r v i c e a n d R e f e r e n c e G u i d e NEAX Express ...
Page 18: ...xvi Using This Guide NEC ...
Page 38: ...1 20 System Overview ...
Page 82: ...3 30 Configuring Your System ...
Page 136: ...4 54 Disassembly and Reassembly ...
Page 158: ...5 22 Problem Solving ...
Page 164: ...6 6 Illustrated Parts Breakdown ...
Page 165: ...A System Cabling System Cabling Before You Begin Static Precautions Standard Configuration ...
Page 170: ...A 6 System Cabling ...
Page 208: ...C 20 Emergency Management Port ...
Page 209: ...D Platform Event Paging ...
Page 224: ...E 14 Connectors ...
Page 234: ...10 Glossary ...
Page 241: ...xx ...
Page 242: ... 456 01510 000 ...