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6402 датащи(PDF) 71 Page - Intel Corporation |
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6402 датащи(HTML) 71 Page - Intel Corporation |
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71 / 250 page ![]() Intel® 6400/6402 Advanced Memory Buffer Datasheet 71 Errors 6 Errors 6.1 Types of Errors and Responses The Intel 6400/6402 Advanced Memory Buffer (AMB) detects link errors that could lead to data corruption. This includes CRC on commands and write data. The AMB also prevents damage to the machine state. 6.1.1 FBD Link Errors 6.1.1.1 Link Initialization Errors Table 6-1 shows link errors that can occur during initialization. Table 6-1. Link Errors in Initialization Error Response Multi-lane failures - unable to achieve bit lock on at least 9 of 10 SB lanes Never come out of training state Multi-lane failures - unable to achieve bit lock on at least 12 NB lanes Never come out of training state NB_Data_Merge_Disable - able to achieve bit lock (pass thru link data) but internal errors prevent receiving valid link cmds or merging data Host sets NB_Merge_Disable bit in TS2 to cause DIMM to be in a pass- thru mode both SB and NB - act as a blind repeater 1. No attempt to decode commands, no response to link register RD/ WR, generate no alerts, neither generate or merge any NB traffic 2. SMBus access enabled Single Lane failure - SB and/or NB Support normal initialization protocol and Fail Over mode if commanded by host |
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