95 lines
3.3 KiB
Markdown
95 lines
3.3 KiB
Markdown
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# ASUS P8C WS
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This page describes how to run coreboot on the [ASUS P8H77-V].
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## Flashing coreboot
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```eval_rst
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+---------------------+----------------+
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| Type | Value |
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+=====================+================+
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| Socketed flash | yes |
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+---------------------+----------------+
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| Model | W25Q64FVA1Q |
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+---------------------+----------------+
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| Size | 8 MiB |
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+---------------------+----------------+
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| Package | DIP-8 |
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+---------------------+----------------+
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| Write protection | no |
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+---------------------+----------------+
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| Dual BIOS feature | no |
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+---------------------+----------------+
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| Internal flashing | yes |
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+---------------------+----------------+
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```
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The flash IC is located beside the SATA ports (circled):
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### How to flash
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Unlike ordinary desktop boards, the BIOS version 3202 of ASUS P8C WS does not
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apply any write protection, so the main SPI flash can be accessed using
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[flashrom], and the whole flash is writable.
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The following command may be used to flash coreboot. (To do so, linux kernel
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should be started with `iomem=relaxed`)
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```
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# flashrom -p internal -w coreboot.rom
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```
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The flash chip is a socketed DIP-8 SPI flash, so it's also easy to remove and
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flash externally.
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## Working
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- Intel Xeon E3-1225 V2 with 4 M391B1G73BH0-YK0 UDIMMs, ECC confirmed active
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- PS/2 keyboard with SeaBIOS 1.14.0 and Debian GNU/Linux with kernel 5.10.40
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- Both Onboard NIC
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- S3 Suspend to RAM
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- USB2 on rear and front panel connectors
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- USB3
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- Integrated SATA
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- CPU Temp sensors (tested PSensor on GNU/Linux)
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- LPC TPM on TPM-header (tested tpm-tools with TPM 1.2 Infineon SLB9635TT12)
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- Native raminit
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- Integrated graphics with libgfxinit (both analog and digital output from DVI-I)
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- Nvidia Quadro 600 in all PCIe-16x slots
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- Compex WLM200NX (Qualcomm Atheros AR9220) in PCI slot
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- Onboard IEEE1394 controller under PCI bus
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- Debug output from serial port
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## Untested
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- EHCI debugging
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- S/PDIF audio
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- PS/2 mouse
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- LPT port
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## Technology
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```eval_rst
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+------------------+--------------------------------------------------+
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| Northbridge | :doc:`../../northbridge/intel/sandybridge/index` |
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+------------------+--------------------------------------------------+
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| Southbridge | bd82x6x |
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+------------------+--------------------------------------------------+
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| CPU | model_206ax |
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+------------------+--------------------------------------------------+
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| Super I/O | Nuvoton NCT6776F |
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+------------------+--------------------------------------------------+
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| EC | None |
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+------------------+--------------------------------------------------+
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| Coprocessor | Intel Management Engine |
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+------------------+--------------------------------------------------+
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```
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## Extra resources
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- [Flash chip datasheet][W25Q64FVA1Q]
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[ASUS P8C WS]: https://www.asus.com/supportonly/p8c_ws/helpdesk_knowledge/
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[W25Q64FVA1Q]: https://www.winbond.com/resource-files/w25q64fv%20revs%2007182017.pdf
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[flashrom]: https://flashrom.org/Flashrom
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