After updated BIOS to 1.18 at Lenovo SL400, someone found his laptop
bring itself out of standby on it own once the SL400 power was
reconnected. Tried updated to the newest 1.21 version still has no
result…

This notebooks as the first notebook models that features Intel Centrino 2 mobile platform. This business laptop has speed ranging from 2.26 GHz to 2.53 GHz depend on CPU models.

Here is Lenovo Thinkpad SL400 full specifications: available with…

Lenovo ThinkPad SL400 comes with 2.26GHz of Intel Core 2 Duo P8400, 160GB of SATA harddrive, 2GB of DDR2 RAM memory, Intel 4965AGN 802.11 a/b/g/n wi-fi and 14.1-inch WXGA Anti-Glare that support 1280 by 800 pixel resolution. Lenovo ThinkPad SL400…

Both of drivers can be installed into Lenovo Thinkpad SL300, Lenovo Thinkpad SL400 or Lenovo Thinkpad SL500. all of drivers only support for Microsoft Windows XP.

a. NVIDIA GeForce 9300M Driver
this driver contains NVIDIA HDMI Audio and NVIDIA…

all of drivers compatible with Microsoft Windows XP and Support for Lenovo Thinkpad Sl series such as Thinkpad SL500, Thinkpad SL400 or Thinkpad Sl300.
a. Realtek LAN Driver
This driver will recognize Realtek RTL8168C Family PCI-E Gigabit Ethernet NIC