
M1029 power board Connector Pin Definitions:
PW4:
SIGNAL
PIN
PIN
SIGNAL
+3.3V
1
13
+3.3V
+3.3V
2
14
﹣
12V
GND
3
15
GND
+5V
4
16
PS_ON
GND
5
17
GND
+5V
6
18
GND
GND
7
19
GND
PWRGD
8
20
Reserve
5VSB
9
21
+5V
+12V
10
22
+5V
+12V
11
23
+5V
+3.3V
12
24
GND
PW7 / PW8:
SIGNAL
PIN
PIN
SIGNAL
GND
1
5
+12V
GND
2
6
+12V
GND
3
7
+12V
GND
4
8
+12V
PW 6 / 9 / 10 /12:
SIGNAL
PIN
PIN
SIGNAL
GND
1
3
+12V
GND
2
4
+12V
PW11:
SIGNAL
PIN
PIN
SIGNAL
GND
1
7
+12V
GND
2
8
+12V
GND
3
9
+12V
GND
4
10
+5V
GND
5
11
+5V
GND
6
12
+3.3V
J2:
PIN
1
2
3
4
SIGNAL
+3.3V GND GND +3.3V
J1:
PIN
1
2
3
4
5
SIGNAL
SMBCLK
SMBDAT
RSVD
GND
+3.3V
70
Chapter 3: Replacing Preinstalled Components
Summary of Contents for B4989
Page 1: ...Transport TN68 B4989 Service Engineer s Manual...
Page 2: ......
Page 27: ...1 6 6 System Block Diagram Chapter 1 Overview 19...
Page 30: ...22 Chapter 1 Overview...
Page 41: ...Chapter 2 Setting Up 33...
Page 43: ...5 Secure the holder to the chassis follow the above steps in reverse Chapter 2 Setting Up 35...
Page 50: ...42 Chapter 2 Setting Up...
Page 54: ...46 Chapter 3 Replacing Preinstalled Components...
Page 72: ...Rear View 64 Chapter 3 Replacing Preinstalled Components...
Page 86: ...Step 6 Connect the data cables 78 Appendix II Installing the Internal 2 5 HDD...
Page 92: ...84 Appendix IV Cable Connection Tables...
Page 96: ...88 Appendix V FRU Parts Table...