Dataram DTM64316K Scheda Tecnica Pagina 8

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DTM64316K
8GB - 240-Pin 2Rx4 Registered ECC DDR3 DIMM
Document 06851, Revision A, 14-May-13, Dataram Corporation © 2013 Page 8
SERIAL PRESENCE DETECT MATRIX
Byte# Function Value Hex
0
Number of Bytes Used / Number of Bytes in SPD Device / CRC Coverage.
0x92
Bit 3 ~ Bit 0. SPD Bytes Used - 176
Bit 6 ~ Bit 4. SPD Bytes Total - 256
Bit 7. CRC Coverage - Bytes 0-116
1
SPD Revision.
Rev. 1.1 0x11
2
Key Byte / DRAM Device Type.
DDR3
SDRAM
0x0B
3
Key Byte / Module Type.
0x01
Bit 3 ~ Bit 0. Module Type - RDIMM
Bit 7 ~ Bit 4. Reserved - 0
4
SDRAM Density and Banks.
0x03
Bit 3 ~ Bit 0. Total SDRAM capacity, in megabits - 2Gb
Bit 6 ~ Bit 4. Bank Address Bits - 8 banks
Bit 7. Reserved - 0
5
SDRAM Addressing.
0x1A
Bit 2 ~ Bit 0. Column Address Bits - 11
Bit 5 ~ Bit 3. Row Address Bits - 15
Bit 7, 6. Reserved 0
6
Module Nominal Voltage, VDD.
0x00
Bit 0. NOT 1.5 V operable -
Bit 1. 1.35 V operable -
Bit 2. 1.2X V operable -
Bit 3. Reserved -
Bit 4. Reserved -
Bit 5. Reserved -
Bit 6. Reserved -
Bit 7. Reserved -
7
Module Organization.
0x08
Bit 2 ~ Bit 0. SDRAM Device Width - 4-Bits
Bit 5 ~ Bit 3. Number of Ranks - 2-Rank
Bit 7, 6. Reserved 0
8
Module Memory Bus Width.
0x0B
Bit 2 ~ Bit 0. Primary bus width, in bits - 64-Bits
Bit 4, Bit 3. Bus width extension, in bits - 8-Bits
Bit 7 ~ Bit 5. Reserved - 0
9
Fine Timebase (FTB) Dividend / Divisor.
0x52
Bit 3 ~ Bit 0. Fine Timebase (FTB) Divisor 2
Bit 7 ~ Bit 4. Fine Timebase (FTB) Dividend 5
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