Nvidia TESLA K20 Manuale utente

BD-06455-001_v05 | November 2012

Board Specification

TESLA K20 GPU ACCELERATOR

Tesla K20 GPU Accelerator BD-06455-001_v05 | ii

DOCUMENT CHANGE HISTORY

BD-06455-001_v05

Version Date Authors Description of Change

01 August 1, 2012 GG, SM Preliminary Information (Information contained

within this document is subject to change)

02 September 6, 2012 GG, SM •Updated “Key Features” section

•Updated Figure 1

•Updated Table 1

•Updated “Standard I/O Connector Placement”

section

03 September 7, 2012 GG, SM •

Updated Table 4

•General edits throughout this specification

04 October 9, 2012 GG, SM

•Changed Gen3 to Gen2

•Updated block diagram (Figure 1)

•Added memory bandwidth

•Changed idle power to 25 W

05 November 9, 2012 GG, SM

•Removed “Preliminary Information” from

document as this board specification is now final

•Removed “NVIDIA Confidential” from document

•Updated package size

•Updated block diagram (Figure 1)

Tesla K20 GPU Accelerator BD-06455-001_v05 | iii

TABLE OF CONTENTS

Overview ........................................................................................... 1

Key Features..................................................................................... 1

Tesla K20 Block Diagram....................................................................... 2

Configuration .................................................................................... 3

Mechanical Specifications....................................................................... 4

PCI Express System ............................................................................. 4

Tesla K20 Bracket............................................................................... 5

Power Connectors............................................................................... 6

Power Specifications............................................................................. 9

Support Information.............................................................................10

Certificates and Agencies.....................................................................10

Agencies......................................................................................10

Languages.......................................................................................11

Tesla K20 GPU Accelerator BD-06455-001_v05 | iv

LIST OF FIGURES

Figure 1. Tesla K20 Block Diagram ............................................................ 2

Figure 2. Tesla K20 GPU Accelerator.......................................................... 4

Figure 3. Tesla K20 Bracket .................................................................... 5

Figure 4. 6-Pin PCI Express Power Connector................................................ 6

Figure 5. 8-Pin PCI Express Power Connector................................................ 7

LIST OF TABLES

Table 1. Board Configuration.................................................................. 3

Table 2. 6-Pin PCI Express Power Connector Pinout ....................................... 8

Table 3. 8-Pin PCI Express Power Connector Pinout ....................................... 8

Table 4. Auxiliary Power Connectors......................................................... 9

Table 5. Languages Supported ...............................................................11

Tesla K20 GPU Accelerator BD-06455-001_v05 | 1

OVERVIEW

The NVIDIA®Tesla®K20 graphics processing unit (GPU) accelerator is a PCI Express,

dual-slot full height (4.376 inches by 10.5 inches by 1.52 inches) form factor computing

module comprising of a single GK110 GPU. The Tesla K20 is designed for servers and

offers a total of 5 GB of GDDR5 on-board memory and supports PCI Express Gen2.

The Tesla K20 can be configured by the OEM or by the end user to enable or disable

ECC or error correcting codes that can fix single-bit errors and detect double-bit errors.

Enabling ECC will cause some of the memory to be used for the ECC bits, so the user

available memory will decrease by 10%. On the Tesla K20, the register files, cache, and

DRAM are ECC protected.

KEY FEATURES

GPU

Number of processor cores: 2496

Processor core clock: 706 MHz

Package size: 45 mm × 45 mm 2397-pin ball grid array (S-FCBGA)

Board

PCI Express Gen2 ×16 system interface

Physical dimensions: 4.376 inches × 10.5 inches, dual-slot

Display Connectors

None

Overview

Tesla K20 GPU Accelerator BD-06455-001_v05 | 2

Power Connectors

One 6-pin PCI Express power connector

One 8-pin PCI Express power connector

Memory

Memory clock: 2.6 GHz

Memory bandwidth: 208 GB/sec

Interface: 320-bit

●Total board memory: 5 GB

●20 pieces of 64M × 16 GDDR5, SDRAM

BIOS

2Mbit Serial ROM

TESLA K20 BLOCK DIAGRAM

Figure 1 is the block diagram for the Tesla K20 GPU dual-slot computing processor

module.

Figure 1. Tesla K20 Block Diagram

Overview

Tesla K20 GPU Accelerator BD-06455-001_v05 | 3

CONFIGURATION

The Tesla K20 board is available in the following configuration (Table 1).

Table 1. Board Configuration

Specifications Tesla K20

Generic SKU reference 699-22081-0208-xxxx

Chip GK110

Package size GPU 45 mm × 45 mm 2397-pin S-FCBGA

Processor clock 706 MHz

Memory clock 2.6 GHz

Memory size 5 GB

Memory I/O 320-bit GDDR5

Memory configuration 20 pieces of 64M ×16 GDDR5 SDRAM

Display connectors None

Power connectors •

8-pin PCI Express power connector

•6-pin PCI Express power connector

Board power 225 W

Idle power 25 W

Thermal cooling solution Passive heat sink

Tesla K20 GPU Accelerator BD-06455-001_v05 | 4

MECHANICAL SPECIFICATIONS

PCI EXPRESS SYSTEM

The Tesla K20 board (Figure 2) conforms to the PCI Express full height (4.376 inches by

10.5 inches) form factor.

Figure 2. Tesla K20 GPU Accelerator



Note: The final product will ship with shroud.

10.5 inches

4.376 inches

Mechanical Specifications

Tesla K20 GPU Accelerator BD-06455-001_v05 | 5

TESLA K20 BRACKET

As shown in Figure 3, the Tesla K20 includes a vented bracket. If you are an OEM who

qualifies for bracket modifications, you have the option of receiving your module with

no bracket installed.

Figure 3. Tesla K20 Bracket

Mechanical Specifications

Tesla K20 GPU Accelerator BD-06455-001_v05 | 6

POWER CONNECTORS

The Tesla K20 GPU accelerator is a performance optimized, high-end product and uses

power from the PCI Express connector as well as external power connectors.

Figure 4 and Figure 5 show the specifications and Table 2 and Table 3 show the pinouts

for the 6-pin and 8-pin PCI Express power connectors.

Figure 4. 6-Pin PCI Express Power Connector

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