diff options
Diffstat (limited to 'Documentation/Intel/NativeRaminit/Sandybridge.md')
-rw-r--r-- | Documentation/Intel/NativeRaminit/Sandybridge.md | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/Documentation/Intel/NativeRaminit/Sandybridge.md b/Documentation/Intel/NativeRaminit/Sandybridge.md index 8203106c07..5c83a0dad2 100644 --- a/Documentation/Intel/NativeRaminit/Sandybridge.md +++ b/Documentation/Intel/NativeRaminit/Sandybridge.md @@ -18,16 +18,27 @@ The memory initialization code has to take care of lots of duties: * Error handling ## Definitions +```eval_rst ++---------+-------------------------------------------------------------------+------------+--------------+ | Symbol | Description | Units | Valid region | -|---------|-------------------------------------------------------------------|------------|--------------| -| SCK | DRAM system clock cycle time | s | - | -| tCK | DRAM system clock cycle time | 1/256th ns | - | -| DCK | Data clock cycle time: The time between two SCK clock edges | s | - | ++=========+===================================================================+============+==============+ +| SCK | DRAM system clock cycle time | s | | ++---------+-------------------------------------------------------------------+------------+--------------+ +| tCK | DRAM system clock cycle time | 1/256th ns | | ++---------+-------------------------------------------------------------------+------------+--------------+ +| DCK | Data clock cycle time: The time between two SCK clock edges | s | | ++---------+-------------------------------------------------------------------+------------+--------------+ | timA | IO phase: The phase delay of the IO signals | 1/64th DCK | [0-512) | -| SPD | Manufacturer set memory timings located on an EEPROM on every DIMM| bytes | - | ++---------+-------------------------------------------------------------------+------------+--------------+ +| SPD | Manufacturer set memory timings located on an EEPROM on every DIMM| bytes | | ++---------+-------------------------------------------------------------------+------------+--------------+ | REFCK | Reference clock, either 100 or 133 | Mhz | 100, 133 | -| MULT | DRAM PLL multiplier | - | [3-12] | -| XMP | Extreme Memory Profiles | - | - | ++---------+-------------------------------------------------------------------+------------+--------------+ +| MULT | DRAM PLL multiplier | | [3-12] | ++---------+-------------------------------------------------------------------+------------+--------------+ +| XMP | Extreme Memory Profiles | | | ++---------+-------------------------------------------------------------------+------------+--------------+ +``` ## (Inoffical) register documentation - [Sandy Bride - Register documentation](SandyBridge_registers.md) |