Intel Native Raminit
The wiki is being retired!
Documentation is now handled by the same processes we use for code: Add something to the Documentation/ directory in the coreboot repo, and it will be rendered to https://doc.coreboot.org/. Contributions welcome!
Status page for all Intel based chipsets
GM45
Status
| Option | Supported | Implemented | Working | Description |
|---|---|---|---|---|
| Native raminit | yes | yes | yes | |
| MRC raminit | ? |
Native raminit features
| Option | Supported | Implemented | Working | Description |
|---|---|---|---|---|
| Menu: Supported channels | ||||
| single and dual channel | yes | yes | yes | |
| Up to 4 slots | yes | yes | yes | |
| Up to 4 ranks per channel | yes | yes | yes | |
| Menu: Supported frequencies | ||||
| DDR3-1333 (666MHz) | yes | yes | yes | |
| DDR3-1333 (800MHz) | yes | yes | yes | |
| DDR3-2133 (1066Mhz) | yes | yes | yes | |
| DDR2-800 (400MHz) | yes | yes | yes | |
| DDR2-666 (333MHz) | yes | yes | yes | |
| Menu: MRC cache | ||||
| MRC cache - S3 | yes | yes | yes | |
| MRC cache - normal boot | yes | yes | yes - reset on SPD CRC16 difference | |
| Menu: XMP support | ||||
| XMP Profile 1 | yes | no | no | |
| XMP Profile 2 | yes | no | no | |
| Menu: Voltage Support | ||||
| 1.5V | yes | yes | yes | |
| Menu: Manual Overwrites | ||||
| Menu: Overclocking | ||||
| not implemented | no | no | no |
Nehalem
Status
| Option | Supported | Implemented | Working | Description |
|---|---|---|---|---|
| Native raminit | yes | yes | yes | |
| MRC raminit | ? | ? | ? |
Native raminit features
| Option | Supported | Implemented | Working | Description |
|---|---|---|---|---|
| Menu: Supported channels | ||||
| single and dual channel | yes | yes | yes | |
| Up to 4 slots | yes | yes | yes | |
| Up to 4 ranks per channel | yes | yes | yes | |
| Menu: Supported frequencies | ||||
| DDR3-800 | yes | yes | ? | |
| DDR3-1066 | yes | yes | ? | |
| DDR3-1333 | yes | yes | ? | |
| Menu: Supported CAS latencies | ||||
| CL6 | yes | yes | ? | |
| CL7 | yes | yes | ? | |
| CL8 | yes | yes | ? | |
| CL9 | yes | yes | ? | |
| CL10 | yes | yes | ? | |
| CL11 | yes | yes | ? | |
| CL12 | yes | no | ? | |
| CL13 | yes | no | ? | |
| CL14 | yes | no | ? | |
| CL15 | yes | no | ? | |
| CL16 | yes | no | ? | |
| Menu: MRC cache | ||||
| MRC cache - S3 | yes | yes | yes | |
| MRC cache - normal boot | yes | yes | yes | |
| Menu: XMP support | ||||
| XMP Profile 1 | yes | no | no | |
| XMP Profile 2 | yes | no | no | |
| Menu: Voltage Support | ||||
| 1.5V | yes | yes | yes | |
| 1.35V | ? | no | no | |
| Menu: Manual Overwrites | ||||
| Menu: Overclocking | ||||
| not implemented | no | no | no |
Pineview
Status
| Option | Supported | Implemented | Working | Description |
|---|---|---|---|---|
| Native raminit | yes | yes | yes | |
| MRC raminit | ? | ? | ? |
Native raminit features
| Option | Supported | Implemented | Working | Description |
|---|---|---|---|---|
| Menu: Supported channels | ||||
| single and dual channel | yes | yes | yes | |
| Up to 4 slots | yes | yes | yes | |
| Up to 4 ranks per channel | yes | yes | yes | |
| Menu: Supported frequencies | ||||
| DDR2-666 (333Mhz) | yes | yes | yes | |
| DDR2-800 (400Mhz) | yes | yes | yes | |
| Menu: MRC cache | ||||
| MRC cache - S3 | no | no | no | |
| MRC cache - normal boot | no | no | no | |
| Menu: XMP support | ||||
| XMP Profile 1 | yes | no | no | |
| XMP Profile 2 | yes | no | no | |
| Menu: Voltage Support | ||||
| 1.5V | yes | yes | yes | |
| Menu: Manual Overwrites | ||||
| Menu: Overclocking | ||||
| not implemented | no | no | no |
X4x
i945
Status
| Option | Supported | Implemented | Working | Description |
|---|---|---|---|---|
| Native raminit | yes | yes | yes | |
| MRC raminit | ? | ? | ? |
Native raminit features
| Option | Supported | Implemented | Working | Description |
|---|---|---|---|---|
| Menu: Supported channels | ||||
| single and dual channel | yes | yes | yes | |
| Up to 4 slots | yes | yes | yes | |
| Up to 4 ranks per channel | yes | yes | yes | |
| Menu: Supported frequencies | ||||
| DDR2-400 (200Mhz) | yes | yes | yes | |
| DDR2-533 (266Mhz) | yes | yes | yes | |
| DDR2-666 (333Mhz) | yes | yes | yes | |
| Menu: MRC cache | ||||
| MRC cache - S3 | no | no | no | |
| MRC cache - normal boot | no | no | no | |
| Menu: XMP support | ||||
| XMP Profile 1 | yes | no | no | |
| XMP Profile 2 | yes | no | no | |
| Menu: Voltage Support | ||||
| 1.5V | yes | yes | yes | |
| Menu: Manual Overwrites | ||||
| Menu: Overclocking | ||||
| not implemented | no | no | no |
Sandybridge/Ivybridge
Status
| Option | Supported | Implemented | Working | Description |
|---|---|---|---|---|
| Native raminit | yes | yes | yes | Native Raminit is working for most frequencies on most boards. There might be errors to fix. |
| MRC raminit | yes | yes | ? |
Native raminit features
| Option | Supported | Implemented | Working | Description |
|---|---|---|---|---|
| Menu: Supported channels | ||||
| single and dual channel | yes | yes | yes | |
| Up to 4 slots | yes | yes | yes | |
| Up to 4 ranks per channel | yes | yes | yes | |
| Menu: Supported frequencies | ||||
| DDR3-1066 (533Mhz) | yes | yes | yes | |
| DDR3-1333 (666Mhz) | yes | yes | yes | |
| DDR3-1600 (800Mhz) | yes | yes | yes | |
| DDR3-1866 (933Mhz) | yes | yes | yes | |
| DDR3-2133 (1066Mhz) | yes | yes | untested | |
| DDR3-1400 (700Mhz) | yes (Ivybridge only) | no | no | |
| DDR3-1800 (900Mhz) | yes (Ivybridge only) | no | no | |
| DDR3-2000 (1000Mhz) | yes (Ivybridge only) | no | no | |
| DDR3-2200 (1100Mhz) | yes (Ivybridge only) | no | no | |
| DDR3-2400 (1200Mhz) | yes (Ivybridge only) | no | no | |
| Menu: Supported CAS latencies | ||||
| CL6 | yes | yes | ? | |
| CL7 | yes | yes | ? | |
| CL8 | yes | yes | ? | |
| CL9 | yes | yes | ? | |
| CL10 | yes | yes | yes | |
| CL11 | yes | yes | yes | |
| CL12 | yes | yes | ? | Since Coreboot 4.6 |
| CL13 | yes | yes | yes | Since Coreboot 4.6 |
| CL14 | yes | yes | ? | Since Coreboot 4.6 |
| CL15 | yes | yes | ? | Since Coreboot 4.6 |
| Menu: MRC cache | ||||
| MRC cache - S3 | yes | yes | yes | |
| MRC cache - normal boot | yes | yes | yes - reset on SPD CRC16 difference | |
| Menu: XMP support | ||||
| XMP Profile 1 | yes | yes | yes | only 1.5V profiles |
| XMP Profile 2 | yes | yes | no | |
| Menu: Voltage Support | ||||
| 1.5V | yes | yes | yes | |
| 1.35V | depends on board | no | no | needs GPIO to control voltage converter |
| Menu: Manual Overwrites | ||||
| devicetree: cfg_max_mem_clk | yes | yes | yes - limits maximum DDR frequency | |
| Menu: Overclocking | ||||
| not implemented | no | no | no |
Haswell
| Option | Supported | Implemented | Working | Description |
|---|---|---|---|---|
| Native raminit | no | no | no | |
| MRC raminit | yes | yes | yes | No known issues. |