11850-029
6
Backplane
R1.1, July 2021
3.5 Third party clock module
The system provides a connector and mounting space for a third party clock module.
Clock Module Connector Pinout
Pin Signal name
Direction Functionality/Description
Notes
1
PS1_eClock#
out
Presence signal of the eClock module,
active low
2
GA0 / RFU
passive Geographic Address 0 / Reserved for
3
IPMBL-SCL-eClock
inout
IPMB-L clock line
Connect to the eMCH EEPROM FRU I2C line or future IPMBL
4
MP
power
Management Power 3V3
5
IPMBL-SDA-eClock
inout
IPMB-L data line
Connect to the eMCH EEPROM FRU I2C line or future IPMBL
6
TxFA
out
Port 0 (MCH Fabric A) Ethernet link TX + Configuration Interface from backplane or intelligent eClock
connected to Common Options
7
GND
Ground
8
TxFA_eClock-
out
Port 0 (MCH Fabric A) Ethernet link TX -
Configuration Interface from backplane or intelligent eClock
connected to Common Options
9
RxFA
in
Port 0 (MCH Fabric A) Ethernet link RX + Configuration Interface from backplane or intelligent eClock
connected to Common Options
10
GND
Ground
11
RxFA_eClock-
in
Port 0 (MCH Fabric A) Ethernet link RX - Configuration Interface from backplane or intelligent eClock
connected to Common Options
12
TxFB-1- /
AMC
inout
AMC1 port 2 to eClock TX + / TCLKD to
AMC1 +
Future use for SATA/NVME drive on eClock or intelligent eClock
connected to FatPipe
13
GND
Ground
14
TxFB-1-eClock- /
AMC1_TCLKD-
inout
AMC1 port 2 to eClock TX - / TCLKD to
AMC1 -
Future use for SATA/NVME drive on eClock or intelligent eClock
connected to FatPipe
15
RxFB-1- /
AMC
inout
AMC1 port 2 to eClock RX + / TCLKC to
AMC1 +
Future use for SATA/NVME drive on eClock or intelligent eClock
connected to FatPipe
16
TxFB-3- /
AMC
inout
AMC3 port 2 to eClock TX + / TCLKD to
AMC3 +
Future use for SATA/NVME drive on eClock or intelligent eClock
connected to FatPipe
17
RxFB-1-eClock- /
AMC1_TCLKC-
inout
AMC1 port 2 to eClock RX - / TCLKC to
AMC1 -
Future use for SATA/NVME drive on eClock or intelligent eClock
connected to FatPipe
18
TxFB-3-eClock- /
AMC3_TCLKD-
inout
AMC3 port 2 to eClock TX - / TCLKD to
AMC3 -
Future use for SATA/NVME drive on eClock or intelligent eClock
connected to FatPipe
19
RxFB-3- /
AMC
inout
AMC3 port 2 to eClock RX + / TCLKC to
AMC3 +
Future use for SATA/NVME drive on eClock or intelligent eClock
connected to FatPipe
20
GND
Ground
21
RxFB-3-eClock- /
AMC3_TCLKC-
inout
AMC3 port 2 to eClock RX - / TCLKC to
AMC3 -
Future use for SATA/NVME drive on eClock or intelligent eClock
connected to FatPipe
22
TxFB-2- /
AMC
inout
AMC2 port 2 to eClock TX + / TCLKD to
AMC2 +
Future use for SATA/NVME drive on eClock or intelligent eClock
connected to FatPipe
23
GND
Ground
24
TxFB-2-eClock- /
AMC2_TCLKD-
inout
AMC2 port 2 to eClock TX - / TCLKD to
AMC2 -
Future use for SATA/NVME drive on eClock or intelligent eClock
connected to FatPipe
25
RxFB-2- /
AMC
inout
AMC2 port 2 to eClock RX + / TCLKC to
AMC2 +
Future use for SATA/NVME drive on eClock or intelligent eClock
connected to FatPipe
26
TxFB-4- /
AMC
inout
AMC4 port 2 to eClock TX + / TCLKD to
AMC4 +
Future use for SATA/NVME drive on eClock or intelligent eClock
connected to FatPipe
27
RxFB-2-eClock- /
AMC2_TCLKC-
inout
AMC2 port 2 to eClock RX - / TCLKC to
AMC2 -
Future use for SATA/NVME drive on eClock or intelligent eClock
connected to FatPipe
28
TxFB-4-eClock- /
AMC4_TCLKD-
inout
AMC4 port 2 to eClock TX - / TCLKD to
AMC4 -
Future use for SATA/NVME drive on eClock or intelligent eClock
connected to FatPipe
29
RxFB-4- /
AMC
inout
AMC4 port 2 to eClock RX + / TCLKC to
AMC4 +
Future use for SATA/NVME drive on eClock or intelligent eClock
connected to FatPipe
30
GND
Ground
31
RxFB-4-eClock- /
AMC4_TCLKC-
inout
AMC4 port 2 to eClock RX - / TCLKC to
AMC4 -
Future use for SATA/NVME drive on eClock or intelligent eClock
connected to FatPipe
32
MLVDS-19-RX+
inout
Bus LVDS Port 19 RX+
