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Microprocessor-Board Connectors And Leds; Pci Board Connectors - IBM 88643RU - System x3850 - 8864 Service Manual

Problem determination and service guide
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Microprocessor-board connectors and LEDs

The following illustration shows the connectors and LEDs on the microprocessor
board.
Microprocessor 1
socket

PCI board connectors

The following illustration shows the connectors on the PCI board.
Slot 1 PCI-X
266 MHz/64-bit
Slot 2 PCI-X
266 MHz/64-bit
Slot 3 PCI-E x8
Slot 4 PCI-E x8
Slot 5 PCI-E x8
Slot 6 PCI-E x8
10
IBM System x3850 Type 8864: Problem Determination and Service Guide
Light path diagnostics
button
Fan 6
Fan 2
Fan 5
Fan 1
1
1
Microprocessor 2
socket
Microprocessor 1
error LED
Microprocessor 2
error LED
Memory
card 2
Memory
card 1
Fan 3
Fan 7
4
4
2
2
3
3
Microprocessor 3 socket
Microprocessor 4 error LED
Microprocessor 4 socket
Attention LED
Power LED
ServeRAID-8i
Active PCI cable
I/O board
SAS internal power
cable connector
Memory
card 3
Fan 8
Memory
card 4
Microprocessor card
error LED
Fan 4
Microprocessor 3
VRM connector
Microprocessor 4
VRM connector
VRM 4 error LED
VRM 3 error LED
Microprocessor 3 error LED

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System x38508864

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