Table 73. System board jumpers and connectors(continued)
Item Connector Description
37. J_SL6 PCIe connector 6
38. J_FAN_2U3 Fan 3 connector
39. B9, B1, B15, B7, B11, B3, B13, B5 DIMM for CPU 2 channels A, B, C, D
40. J_SL5 PCIe connector 5 (applicable only for
XE9640 with NVIDIA GPU)
41. J_FAN_2U2 Fan 2 connector
42. J_SL2 PCIe connector 2
43. U_CPU2 Processor 2
44. J_FAN_2U1_1U1_2 Fan 1 connector
45. J_SL1 PCIe connector 1
46. P22 Jumper
47. P_LFT_CP1 Left control panel connector
48. J_GPU_SIDEBAND GPU sideband connector
49. B8, B16, B2, B10, B6, B14, B4, B12 DIMMs for CPU 2 channels H, G, F, E
50. PWR2_B For Riser 4 GPU power and signal cable
51. PWR2_A For left BBU power cable
52. J_PSU2_SIG PSU2 signal connector
53. J_R4 Riser 4
54. J_SL9 PCIe connector 9
55. J_SL10 PCIe connector 10
56. J_SL27 PCIe connector 27
57. P_PSU56 PSU5,6 signal connector
System board jumper settings
For information about resetting the password jumper to disable a password, see the Disabling a forgotten password section.
Table 74. System board jumper settings
Jumper Setting Description
PWRD_EN The BIOS password feature is enabled.
The BIOS password feature is disabled. The BIOS password is
now disabled and you are not allowed to set a new password.
NVRAM_CLR The BIOS configuration settings are retained at system boot.
The BIOS configuration settings are cleared at system boot.
CAUTION: You should be cautious when changing the BIOS settings. The BIOS interface is designed for
advanced users. Any changes in the setting might prevent your system from starting correctly and may even
result in data loss.
Jumpers and connectors 259
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