Graphcore IPU-POD128, Build And Test Manual, Page: 8 / 113

IPU-POD128 build and test guide
• 2 power connectors per IPU-M2000
• 5 fan units
• 5 LED indicators
• Unit QR code
Fig. 2.2: Back panel
2.2.2 QR code label
There is a QR code label on the back panel of each IPU-M2000. The QR code contains the following information
for each IPU-M2000:
• Company name (Graphcore)
• Serial number
• Part number
• BMC Ethernet MAC address
• GW Ethernet MAC address
• URL for
Graphcore support portal
2.2.3 LED indicators
The IPU-M2000 has LED indicators on both sides of the chassis.
Rear side LEDs
The rear side LEDs ( Fig. 2.3 ) indicate the state of the 5 fans on the IPU-M2000. All the indicators should normally
be off. A lit LED (amber) indicates a fan module fault and the corresponding fan module should be replaced as
soon as possible to maintain maximum cooling.
Fig. 2.3: Rear side LED indicators
Version: latest (2021-11-25) 4