Table 2. Precision 7865 tower system board callouts
No
Connector
Description
1
ATX CPU1
4-pin processor power connector
2
ATX CPU2
4-pin processor power connector
3
NVME1
NVMe connector for externally facing
M.2 flexbay drive
4
NVME0
NVMe connector for externally facing
M.2 flexbay drive
5
CPU0_SKT
Processor socket
6
FAN_CPU
Processor fan connector
7
ATX CPU3
4-pin processor power connector
8
DDR FAN
Memory-module fan connector
9
FAN HDD
Hard-drive fan connector
10
SATA PWR1
SATA power connector
11
SATA-0
Primary SATA Hard drive data cable
connector
12
ATX SYS
System-board power connector
13
SATA PWR2
SATA power connector
14
INT SPKR
Internal-speaker connector
15
INT USB2
USB 3.2 Gen1 port to accommodate
standard USB storage key
16
INTRUSION
Intrusion switch connector
17
●
SATA-1
●
SATA-2
●
SATA-3
●
SATA-4
●
SATA device data cable connector
●
SATA device data cable connector
●
SATA device data cable connector
●
SATA device data cable connector
18
FAN SYS
System fan connector
19
PWR REMOTE
Remote power-switch connector
20
TBT
Thunderbolt add-in card connector
21
●
M.2 PCIe SSD-0
●
M.2 PCIe SSD-1
●
M.2280/M.2230 Solid-state drive
socket
●
M.2280/M.2230 Solid-state drive
socket
22
●
THRM0
●
THRM1
●
Thermal sensor 0 connector
●
Thermal sensor 1 connector
23
RTC
Coin cell battery
24
JUMPER
TPM jumper
25
SLOT5 PCIe4 x8
PCI Express Gen 4 x8 slot
26
SLOT4 PCIe4 x16
PCI Express Gen 4 x16 slot
27
SLOT3 PCIe4 x8
PCI Express Gen 4 x8 slot
28
SLOT2 PCIe4 x8
PCI Express Gen 4 x8 slot
29
SLOT1 PCIe4 x16
PCI Express Gen 4 x16 slot
30
DIMM1 - DIMM8
Memory module connectors
92
Removing and installing components
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