DELL XPS15 9560 黑苹果 CFG Look及BIOS设定

亲测使用BIOS版本1.21有效，操作BIOS请注意风险。

UEFI BIOS 设置

DVMT Total Gfx Memory 后面的设定可以保持默认不修改，测试会对某些(DELL)Type-C网卡/扩展坞造成冲突，无法正常上网。

Variable Offset Default Desired Comment
Above 4GB MMIO BIOS assignment 0x79A 0x00 (Disabled) 0x01 (Enabled)
ACPI Removal Object Suppport 0x491 0x00 (Disabled) 0x00
CFG Lock 0x4ED 0x01 (Enabled) 0x00 (Disabled)
CSM Support 0xFC8 0x01 (Enabled) 0x00 (Disabled)
DVMT Pre-Allocated 0x795 0x02 (64M) 0x02 (64M)
DVMT Total Gfx Memory 0x796 0x02 (256M) 0x03 (MAX)
GPIO filter 0x47B 0x00 0x01
GPIO3 Force Pwr 0x45F N/A 0x01
Native OS Hot Plug 0x479 N/A 0x01
Skip PCI OptionRom 0x48F 0x00 0x00
SW SMI on TBT hot-plug 0x47A 0x01 (Enabled) 0x01
Thunderbolt Boot Support 0x45B 0x00 (Disabled) 0x01
Thunderbolt Usb Support 0x45A 0x00 (Disabled) 0x01
Thunderbolt(TM) PCIe Cache-line Size 0x45E 0x20 (32) 0x80 (128)
Wait time in ms after applying Force Pwr 0x460 0xC8 (200) 0xC8 (200)
Wake From Thunderbolt(TM) Devices 0x452 0x01 (Enabled) 0x01

BIOS设置(开机F2)

System Information

检查Video Memory是不是刚好64MB
Advanced Boot Options (全部off)

System Configuration

SATA Operation (AHCI)
Drives (全部on)
SMART Reporting (on)
USB Configuration (全部on)
Dell Type-C Dock Configuration (on)
Thunderbolt Adapter Configuration (全部 on, no security)
USB PowerShare (on)
Audio (全部 on)
Touchscreen (on)
Miscellaneous Devices (全部on，except SD Card Reader)
CPU XD (on)

Secure Boot

Secure Boot Enable (disabled)

Intel Software Guard Extensions

Intel SGX Enable (Software-Controlled)

Performance

(所有都 on或enabled)

Power Management

(USB Wake Support = off)
(Wake on Dell USB-C Dock = on)
Wake on WLAN (off)
Block Sleep (off)

Virtualization Support

(全部 on)

本文参考及转载来源：
https://github.com/jardenliu/XPS15-9560-BigSur
https://github.com/jardenliu/XPS15-9560-Mojave/blob/master/BIOS.md