Board:lenovo/t520: Difference between revisions

Revision as of 22:05, 4 October 2014

Issues:

Tested:

Ultrabay SATA
RAM module combinations of mrc: 4G+0, 0+4G, 8G+0, native: 4G+0, 8G+0
USB ports
Video (internal)
ExpressCard slot (including hot-plugging)
Gigabit LAN
Mini-PCIe slot WLAN
Linux (through SeaBIOS-as-payload)
Trackpoint & Touchpad
Fn hotkeys
Thinklight
Bluetooth
SD card slot
Sound (integrated speakers, integrated mic, external headphones, external mic)
Fingerprint reader
4338 USB3 Dock ( VGA, USB, Line-in/out, DVI not supported because of native graphics )
VGA output

Not tested:

CPU Microcode
FDT(Flash Descriptor Table) => Always needed
ME(Management Engine) => you do not have to touch it(just leave it where it is)
GbE(Gigabit Ethernet embedded mac) => you do not have to touch it(just leave it where it is)

{{ #if: | * [{{{review_url}}} The code has been merged into coreboot master]: | * The code has been merged into coreboot master:}}

 $ git clone https://review.coreboot.org/coreboot.git

T520 has a ST / numonyx M25PX64VG 8 MiB flash chip in a VDFPN8 package.

Next to the flash chip is a connector solder place "J100" where it is connected to.

1 N/C
2 N/C
3 /CS
4 VCC
5 MISO
6 /HOLD
7 /WP
8 CLK
9 GND
10 MOSI

Flash layout: FLREG0: 0x00000000

 Flash Region 0 (Flash Descriptor): 00000000 - 00000fff

FLREG1: 0x07ff0500

 Flash Region 1 (BIOS): 00500000 - 007fffff

FLREG2: 0x04ff0003

 Flash Region 2 (Intel ME): 00003000 - 004fffff

FLREG3: 0x00020001

 Flash Region 3 (GbE): 00001000 - 00002fff

FLREG4: 0x00000fff

 Flash Region 4 (Platform Data): 00fff000 - 00000fff (unused)

Vendor firmware locks the flash and so you need to flash externally (unless until someone figures out a way around it).

@@ Line 8: / Line 8: @@
 * DisplayPort only connected to Discrete GPU
 * TPM. At the moment there is only support a basic support inside coreboot...
-* Windows hung while boot
+* Windows hung while boot or reboots before start
 Tested:
@@ Line 26: / Line 26: @@
 * Sound (integrated speakers, integrated mic, external headphones, external mic)
 * Fingerprint reader
+* 4338 USB3 Dock ( VGA, USB, Line-in/out, DVI not supported because of native graphics )
+* VGA output
 Not tested:
@@ Line 34: / Line 36: @@
 * Thermal management
 * Webcam
-* Dock
-* VGA output
 == Proprietary Components Status ==