Onboard connectors
iRMC
S5
INDICATE
CSS
TPM
Slot 2 (CPU 1) Riser slot 1
Battery
SATA
0-3
Slot 1 (CPU 1)
Slot 8 (CPU 2) Riser slot 2
Rear Serial
PWR
ODD
Front Panel
SATA 4-7
SATA
ODD
Internal
USB3.0 / USB 4
PSU1
PSU2
JP3
1
JP2 JP1
1
2
Micro
SD
USB 3.0
SSD2
M.2
HDD LED2
Slot 7 (CPU2)
Slot 6 (CPU2)
Front VGA
Slot 5 (CPU2)
OCP 3.0 Slot 1 (CPU1)
SSD1
M.2
LAN
Management
Internal USB3.0/
USB 3
Rear VGA
CPU 2 DIMM 2J
CPU 2 DIMM 1M
CPU 2 DIMM 1L
CPU 2 DIMM 2L
CPU 2 DIMM 1J
CPU 2 DIMM 2M
CPU 2 DIMM 2K
CPU 2 DIMM 1K
CPU 2
CPU 1
CPU 1 DIMM 2A
CPU 1 DIMM 1D
CPU 1 DIMM 1C
CPU 1 DIMM 2C
CPU 1 DIMM 1A
CPU 1 DIMM 2D
CPU 1 DIMM 2B
CPU 1 DIMM 1B
CPU 2 DIMM 1R
CPU 2 DIMM 2N
CPU 2 DIMM 2P
CPU 2 DIMM 1P
CPU 2 DIMM 2R
CPU 2 DIMM 1N
CPU 2 DIMM 1Q
CPU 2 DIMM 2Q
CPU 1 DIMM 1H
CPU 1 DIMM 2E
CPU 1 DIMM 2F
CPU 1 DIMM 1F
CPU 1 DIMM 2H
CPU 1 DIMM 1E
CPU 1 DIMM 1G
CPU 1 DIMM 2G
SMB 4
LC1
SLIMLINE
4 (CPU 2)
LC2
SMB 2
SMB 1
PWR9
PWR10
HDD LED3
HDD
LED1
PWR6
PWR5PWR4
PWR3
PWR2
PWR1
SLIMLINE
3 (CPU 2)
SLIMLINE
2 (CPU 1)
SLIMLINE
1 (CPU 1)
FAN6_SYS
FAN5_SYS
FAN4_SYS
FAN3_SYS
FAN2_SYS
FAN1_SYS
ROC
VROC
SMB 3
Clear RTC
PCH
43
44
45
Figure 378: Internal connectors of system board D3891
Pos. Print Description
1 PSU 1 Power supply connector hot-plug PSU 1
2 PWR 9 Power connector 9
3 PWR 6 Power connector 6
4 SMB 2
5 PWR 5 Power connector 5
6 FAN 6_SYS Power connector for system fan 6
Appendix A
RX2540 M6 Upgrade and Maintenance Manual 543