Mellanox Technologies ConnectX-2 Series, User Manual

Page: 18 / 44

Adapter Card Interfaces
Rev 1.0
Mellanox Technologies 18
2.4.3 EEPROM
Each board incorporates an EEPROM that is accessible through the I2C compatible interface. The
EEPROM is used for storing the Vital Product Data (VPD). The EEPROM capacity is 4Kb.
2.5
VPD Layout
The PCI VPD (Vital Product Data) layout, for each of the described Mellanox Technologies VPI
adapter cards complies with the format defined in the
PCI 2.3 Specification, Appendix I . All
adapter cards have the same PCI VPD layout.
Table 6 - Jumper Configuration
Description Option
Card Default
Configuration
Comments
Flash present/
not present
connection open – Flash present
connection shorted – Flash not present
Figure 5:
Flash Jumper
connection open –
Flash present
Header 1x2
Table 7 - MHQA19X[STN]R
Offset (Decimal) Item Value Format Description
0 Large Resource Type ID String Tag
(0x02)
0x82
1 Length [7:0] LSB 0x10
2 Length [15:8] MSB 0x0
3 Data KESTREL MINI
QDR
STR
19 Large Resource Type VPD-R Tag
(0x10)
0x90
20 Length [7:0] LSB 0x4F
21 Length [15:8] MSB 0x00
22 VPD Keyword PN STR Add in Card Part Number
24 Length 0x15
25 PN PN %STR_SPC
46 VPD Keyword EC STR Engineering Change Level of the card
(rev)
48 Length 0x2
49 Revision RV %STR PCB revision
51 VPD Keyword SN STR Serial Number
53 Length 0x18
54 SerialNumber %STR_SPC “00..00XXXX..XX”