IBM 88643RU Service Guide - Page 26

Microprocessor-board, connectors, board

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Microprocessor-board connectors and LEDs The following illustration shows the connectors and LEDs on the microprocessor board. Light path diagnostics button Fan 6 Fan 2 Memory card 2 Memory Memory card 1 card 3 Fan 3 Fan 8 Fan 7 Fan 5 Memory card 4 Fan 1 Microprocessor card error LED Fan 4 Microprocessor 1 socket 1 2 Microprocessor 2 socket Microprocessor 1 error LED Microprocessor 2 error LED 4 3 Microprocessor 3 VRM connector Microprocessor 4 VRM connector VRM 4 error LED VRM 3 error LED Microprocessor 3 error LED Microprocessor 3 socket Microprocessor 4 error LED Microprocessor 4 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 Attention LED Power LED ServeRAID-8i Active PCI cable I/O board 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 SAS internal power cable connector

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