The ThinkPad T490S, also known as X390 and bearing the motherboard model FX390 (NM-B891), is equipped with the following specifications:
- Processor: It offers a choice between Intel Core i5-8365U or i7-8565U processors.
- Memory: It supports configurations of up to 16GB DDR4-2400MHz RAM.
- Storage: This model provides the flexibility of one M.2 PCIe NVMe SSD slot and one 2.5-inch SATA HDD/SSD bay for storage.
- Graphics: It incorporates integrated Intel UHD Graphics 620.
- Wireless: For connectivity, it features 802.11ac Wi-Fi and Bluetooth 4.2.
- Ports: The available ports include two USB 3.1 Gen 1, two USB 2.0, HDMI, mini DisplayPort, RJ-45, and a headphone/microphone combo jack.
- Dimensions: It measures 329 x 227 x 18.45 mm (13.0 x 8.9 x 0.72 in).
- Weight: Starting at 1.38 kg (3.04 lb).
It’s important to note that this model is no longer in production and has been discontinued. In contrast, the latest iteration is the ThinkPad T14s Gen 3, introduced in 2023, which boasts significant enhancements:
- Processor: It offers a choice between 12th Gen Intel Core i5-1240P or i7-1260P processors.
- Memory: Supports memory configurations of up to 32GB LPDDR5-5200MHz.
- Storage: Provides options for up to 2TB PCIe NVMe SSD storage.
- Graphics: Features integrated Intel Iris Xe Graphics.
- Display: Equipped with a 14.0-inch IPS touchscreen boasting a resolution of 2560 x 1600 and 400 nits brightness.
- Operating System: Offers compatibility with Windows 11 Pro or Linux.
- Ports: Includes two USB-A 3.2 Gen 1, two Thunderbolt 4 (USB-C) ports, HDMI, and an audio jack.
- Dimensions: Measuring at 323 x 221 x 17.9 mm (12.7 x 8.7 x 0.7 in).
- Weight: Starting at 1.28 kg (2.82 lb).
The ThinkPad T14s Gen 3 represents a substantial upgrade over the ThinkPad T490S (X390) FX390 (NM-B891), featuring a more recent processor, increased memory and storage capacities, an enhanced display, and compatibility with newer operating systems. Additionally, it provides more versatile connectivity options with additional ports for improved usability.
Lenovo ThinkPad T490S (X390) FX390 (NM-B891) Rev:2.0 MX25L25633F 32MB BIOS
Download BIOS Bin file: ThinkPad T490S (X390) FX390 (NM-B891) BIOS
Download for free: Link 1
