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coreboot-kgpe-d16/Documentation/mainboard/system76/lemp9.md

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System76 Lemur Pro (lemp9)

Specs

  • CPU
    • Intel i7-10510U
    • Intel i5-10210U
  • EC
    • ITE IT5570E running https://github.com/system76/ec
    • Backlit Keyboard, with standard PS/2 keycodes and SCI hotkeys
    • Battery
    • Charger, using AC adapter or USB-C PD
    • Suspend/resume
    • Touchpad
  • GPU
    • Intel UHD Graphics 620
    • GOP driver is recommended, VBT is provided
    • eDP 14-inch 1920x1080 LCD
    • HDMI video
    • USB-C DisplayPort video
  • Memory
    • Channel 0: 8-GB on-board DDR4 Samsung K4AAG165WA-BCTD
    • Channel 1: 8-GB/16-GB/32-GB DDR4 SO-DIMM
  • Networking
    • M.2 PCIe/CNVi WiFi/Bluetooth
  • Sound
    • Realtek ALC293D
    • Internal speaker
    • Internal microphone
    • Combined headphone/microphone 3.5-mm jack
    • HDMI audio
    • USB-C DisplayPort audio
  • Storage
    • M.2 PCIe/SATA SSD-1
    • M.2 PCIe/SATA SSD-2
    • RTS5227S MicroSD card reader
  • USB
    • 1280x720 CCD camera
    • USB 3.1 Gen 2 Type-C (left)
    • USB 3.1 Gen 2 Type-A (left)
    • USB 3.1 Gen 1 Type-A (right)

Building coreboot

The following commands will build a working image:

make distclean
make defconfig KBUILD_DEFCONFIG=configs/config.system76_lemp9
make

Flashing coreboot

+---------------------+------------+
| Type                | Value      |
+=====================+============+
| Socketed flash      | no         |
+---------------------+------------+
| Vendor              | GigaDevice |
+---------------------+------------+
| Model               | GD25Q128C  |
+---------------------+------------+
| Size                | 16 MiB     |
+---------------------+------------+
| Package             | SOIC-8     |
+---------------------+------------+
| Internal flashing   | yes        |
+---------------------+------------+
| External flashing   | yes        |
+---------------------+------------+