IBM 8651RM0 Hardware Maintenance Manual - Page 152

System Board

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System Board 1 Power control and status cable 2 +5V, +12V, and 3.3V power connectors (identical) 3 Diskette-drive connector 4 Front-panel connector 5 IDE connector 6 Memory-board connector 7 Not used 8 Secondary processor-board connector 9 Primary processor-board connector 1 Fan 1 connector (not used, jumper required) 11 Fan 2 connector (not used, jumper required) 12 Hard disk drive LED 1 connector 13 Not used 14 Not used 15 Server management connector 16 IC2 17 Fan 3 connector (not used, jumper required) 18 Fan 4 connector (jumper required unless optional thermal upgrade kit is used) 19 Hard disk drive LED 2 connector 2 SCSI channels A (right) and B (left) connectors 21 EISA/ISA slots 1-4 for adapters (slot 1 toward top of illustration, slot 4 toward bottom) 22 Not used 23 PCI slots 1-6 for adapters (slot 1 toward top of illustration, slot 6 toward bottom: Bus 0 = slots 1-3; Bus 1 = slots 4-6) 24 Configuration switches and jumpers 25 Real-time clock 144 Netfinity Server HMM

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System Board
1
Power control and status cable
2
+
5V,
+
12V, and 3.3V power connectors
(identical)
3
Diskette-drive connector
4
Front-panel connector
5
IDE connector
6
Memory-board connector
7
Not used
8
Secondary processor-board connector
9
Primary processor-board connector
1
Fan 1 connector (not used, jumper required)
11
Fan 2 connector (not used, jumper required)
12
Hard disk drive LED 1 connector
13
Not used
14
Not used
15
Server management connector
16
IC2
17
Fan 3 connector (not used, jumper required)
18
Fan 4 connector (jumper required unless
optional thermal upgrade kit is used)
19
Hard disk drive LED 2 connector
2
SCSI channels A (right) and B (left) connectors
21
EISA/ISA slots 1–4 for adapters (slot 1 toward
top of illustration, slot 4 toward bottom)
22
Not used
23
PCI slots 1–6 for adapters (slot 1 toward top of
illustration, slot 6 toward bottom:
Bus 0 = slots 1–3; Bus 1 = slots 4–6)
24
Configuration switches and jumpers
25
Real-time clock
144
Netfinity Server HMM