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Functional Architecture IntelP®P Server Board S3420GP TPS
frequency can be 1066/1333 MHz. All RDIMMs and UDIMMs include ECC (Error Correction
Code) operation. Various speeds and memory technologies are supported.
RAS (Reliability, Availability, and Serviceability) is not supported on the Intel
®
Server Board
S3420GP.
3.2.1 Memory Sizing and Configuration
The Intel
®
Server Board S3420GP supports various memory module sizes and configurations.
These combinations of sizes and configurations are valid only for DDR3 DIMMs approved by
Intel Corporation.
S3420GP BIOS supports:
z DIMM sizes of 1 GB, 2 GB, 4 GB, and 8 GB.
z DIMMs composed of DRAM using 2 Gb technology.
z DRAMs organized as single rank, dual rank, or quad rank DIMMS.
z DIMM speeds of 800, 1066, or 1333 MT/s.
z Registered or Unregistered (unbuffered) DIMMs (RDIMMs or UDIMMs).
Note: UDIMMs should be ECC, and ma or may not have thermal sensors; RDIMMs must have y
ECC and must have thermal sensors.
S3420GP BIOS has the below limitations:
256 Mb technology, x4 DRAM on UDIMM, and quad rank UDIMM are NOT supported
x16 DRAM on UDIMM is not supported on combo routing
defined by JEDEC.
d x16 DRAMs on RDIMM are NOT supported
the fastest common frequency
The range {0xE0 - 0xEF} of POST codes is used for memory errors in early POST. In late POST,
this range is used for reporting other system errors.
able Memory Error: If no memory is available, the system emits POST
code 0xE8 and halts the system.
n Error: If a DDR3 DIMM has no SPD information, the BIOS treats
DDR3 DIMM is present on it. Therefore, if this is the only DDR3
ystem, the BIOS halts with POST Diagnostic LED code 0xE8 (no
ry) and halts the system.
rror: If a DDR3 DIMM or a set of DDR3 DIMMs on the same
l (row) fails HW Memory BIST but usable memory remains available,
uring the beeping and then continues POST. If all of the memory fails HW
Memory suppliers not productizing native 800 ECC UDIMMs
Intel
®
Xeon
®
3400 Series support all timings
256 Mb/512 Mb technology, x4 an
All channels in a system will run at
No mixing of registered and unbuffered DIMMs
3.2.2 Post Error Codes
z 0xE8 - No Us
Diagnostic LED
z 0xE8 - Configuratio
the DIMM slot as if no
DIMM installed in the s
usable memo
z 0xEB - Memory Test E
memory channe
the BIOS emits a beep code and displays POST Diagnostic LED code 0xEB
momentarily d
Revision 1.0
Intel order number E65697-003
16