C621A WS
30 31
English
TPM-SPI Header
(13-pin TPM_BIOS_PH1)
(see p.6, No. 32)
SPI_WP
SPI_CS
MISO
RSMRST#
TPM_CS#
SPI PIRQ
SPI_RST
MOSI
SPI_CLK
+3.3V
GND
SPI_HOLD
X
1
is connector supports
Trusted Platform Module
(TPM) system for SPI
interface, which can securely
store keys, digital certicates,
passwords, and data. A TPM
system also helps enhance
network security, protects
digital identities, and ensures
platform integrity.
PSU SMBus Header
(5-pin PSU_SMB1)
(see p.6, No. 2)
+3V
1
GND
SMBCLK
SMBDATA
PSU SMBus monitors the
status of the power supply, fan
and system temperature.
Intelligent Platform
Management Bus Header
(4-pin IPMB1)
(see p.6, No. 43)
IPMB_SCL
GND
This 4-pin connector is used
to provide a cabled base-board
or front panel connection for
value added features and 3rd-
party add-in cards, such as
Emergency Management cards,
that provide management
features using the IPMB.
Baseboard Management
Controller SMBus Header
(5-pin BMC_SMB_1)
(see p.6, No. 41)
Power
BMC_SMBCLK7
GND
BMC_SMBDATA7
e header is used for the SM
BUS devices.
CPU HP-SMBus Connec-
tor
(5-pin CPU1_HSBP1)
(see p.6, No. 1)
1
+3V
GND
0_HP_ALERT_L
CPU_HP_SDA
CPU_HP_SCL
is header is used for the hot
plug feature of HDDs on the
backplane.
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