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
11 22
44
33
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