Scheme
Overview
|
Name
|
Value
|
|
Supported Compute Modules
|
Raspberry Pi Compute Module 1, 3, 3+
|
|
CPU cores, Max.
|
28
|
|
RAM, Max.
|
7GB
|
|
Internal eMMC, Max.
|
224GB
|
|
Boot from the network (netboot)
|
Yes, tested with CM3, CM3+, and Hypriot OS v1.11.3
|
|
Boot from eMMC
|
Yes
|
|
Boot from SD
|
Yes
|
|
Compute Modules, Max. QTY
|
7x, DDR2 SO-DIMM 200 pin
|
|
Micro SD slots, QTY
|
7x, 1 per node
|
|
Ethernet Port
|
1x, 1Gbps
|
|
Int. Network Speed, Max.
|
1Gbps
|
|
Node Network Speed
|
100Mbps per node
|
|
Power supply
|
12V, 5A, 60 W, 2.1-5.5mm (center positive)
|
|
Power consumption, Max.
|
40 W
|
|
Board form factor
|
Mini ITX, 6.7 x 6.7 inches (170 x 170 mm)
|
|
Mini ITX Power socket 2x2 pin
|
12 V
|
|
Flash port
|
Only for Master Node via micro USB
|
|
GPIO 40-pin, RPI compatible pinout
|
|
|
HDMI
|
1x, Node #1 (Master Node)
|
|
Audio 3.5 mm
|
1x, Node #1 (Master Node)
|
|
USB 2.0
|
8x
|
|
RTC battery
|
CR2032
|
Cluster Management Bus (CMB)
|
Name
|
Value
|
|
CMB protocol
|
I2C
|
|
CMB access
|
From each node
|
|
Node Power Management
|
Yes, via CMB for each node
|
|
Userspace EEPROM
|
128bytes
|
|
Int. CMB devices
|
Ethernet Switch, I2C expander, and RTCC
|
|
External I2C ports
|
1x, for additional devices like LCD displays or EEPROM
|
Block Scheme
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