Lenovo X60, X61 manual Optional memory

		Product overview
Feature	Description
Optional memory	X60 Tablet
	v	256-MB DDR2-667 SDRAM SO-DIMM (PC2-5300) card × 1
	v	512-MB DDR2-667 SDRAM SO-DIMM (PC2-5300) card × 1
	v	1-GB DDR2-667 SDRAM SO-DIMM (PC2-5300) card × 1
	v 2-GB DDR2-667 SDRAM SO-DIMM (PC2-5300) card × 1
		(maximum of 4.0 GB)
	X61 Tablet
	v	512-MB DDR2-667 SDRAM SO-DIMM (PC2-5300) card × 1
	v	1-GB DDR2-667 SDRAM SO-DIMM (PC2-5300) card × 1
	v 2-GB DDR2-667 SDRAM SO-DIMM (PC2-5300) card × 1
		(maximum of 4.0 GB)
	Note: Due to the limitation of the current 32-bit PC
	architecture, actual usable memory size is limited to 3 GB
	even though the physical installable memory size is 4 GB in
	ThinkPad X60 Tablet and X61 Tablet computers.
Ethernet (on the system	v	Gigabit Ethernet
board)
Internal modem	v	56.6 Kbps
Audio	v	Built-in monaural speaker
	v	Software control volume
Infrared transfer (for X60	v	IrDA 1.1
Tablet)
Hard disk drive	v	40 GB, 5400 rpm, 9.5 mm high, Serial ATA (SATA)
		interface (only for X60 Tablet)
	v 60 GB, 5400 rpm, 9.5 mm high, SATA interface
	v 80 GB, 5400 rpm, 9.5 mm high, SATA interface
	v 100 GB, 5400 rpm, 9.5 mm high, SATA interface (only for
		X60 Tablet)
	v 120 GB, 5400 rpm, 9.5 mm high, SATA interface
	v 60 GB, 7200 rpm, 9.5 mm high, SATA interface
	v 100 GB, 7200 rpm, 9.5 mm high, SATA interface
	Supported hard disk drives depend on the model.
Ultrabay™ Slim device	Supported in ThinkPad X6 Tablet UltraBase
Fingerprint reader	Some models
I/O port	v	External monitor connector
	v	RJ11 connector
	v	RJ45 connector
	v	Stereo headphone jack
	v	Monaural microphone jack
	v Infrared port (for X60 Tablet)
	v	Docking connector
	v Universal serial bus (USB) connector × 3 (compatible with
	v	USB 1.1 and 2.0)
		IEEE 1394 connector
	v DC-in connector

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ThinkPad X60 Tablet and X61 Tablet 35