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Early BIOS versions did not have passwords or boot-device selection options. The BIOS was hard-coded to boot from the first floppy drive, or, if that failed, the first hard disk. Access control in early AT-class machines was by a physical keylock switch (which was not hard to defeat if the computer case could be opened). Anyone who could switch ...
Following the release of Windows 8 in late 2012, it was discovered that certain Lenovo computer models with Secure Boot had firmware that was hardcoded to allow only executables named "Windows Boot Manager" or "Red Hat Enterprise Linux" to load, regardless of any other setting. [184]
The Yoga Tablet 2 with AnyPen is a Windows-based tablet computer with an 8-inch 1080p display. It weighs .43 kg and Lenovo claims it has a battery life of 15 hours. Lenovo's AnyPen technology allows the use of pencils, ballpoint pens, and other traditional writing instruments to write on the screen like a stylus.
On system with BIOS firmware, the BIOS invokes MBR boot code from a hard disk drive at startup. The MBR boot code and the VBR boot code are OS-specific. In Microsoft Windows, the MBR boot code tries to find an active partition (the MBR is only 512 bytes), then executes the VBR boot code of an active partition.
Lenovo released the ThinkPad T60 and T60p laptops in February 2006. [16] While designed and manufactured by Lenovo, the T60 and the T60p still featured the IBM logo on the machines. [ 2 ] In May 2007, the T61 and T61p laptops slowly phased out IBM logos in favor of the ThinkPad logo. [ 17 ]
The L-series models were also reputed to be Lenovo's greenest laptops. [6] Lenovo indicated that they were 40% more power efficient than other laptops, and were made from recycled plastic from office water jugs and miscellaneous used equipment. [6] The L-series laptops were made available with a variety of options, allowing them to be ...
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ThinkPad is an American line of business-oriented laptop and tablet computers produced since 1992. The early models were designed, developed and marketed by International Business Machines (IBM) until it sold its PC business to Lenovo in 2005; since 2007, all new ThinkPad models have been branded Lenovo instead [5] and the Chinese manufacturer has continued to develop and sell ThinkPads to the ...