TheHP 660LX (F1270A) is a handheld palmtop organizer that runsWindows CE 2.0 or 2.11 that launched in 1998. It is similar to the previous model, theHP 620LX. It has aCompactFlash Type I card slot, aPC card slot, aserial link cable plug, and aninfrared port.^[1]

It is internet capable by attaching an add-onmodem or through anEthernet orWi-Fi card. Only Type I PC cards are supported and special drivers for the Windows CE operating system are required.^{[citation needed]}

On June 4, 1998, the 660LX was announced to ship in the month of July with a 75Mhz Hitachi SH-3 RISC processor and 32Mb of RAM at a price of $999.^[2]

By August 1998, the 660LX was available for purchase through corporate resellers including CompUSA.^[3]

• The 660LX has 32MB of RAM, compared to only 16MB on the 620LX.^[4][5]
• The 660LX is bundled with a 56kbps fax/modem card.^[4][5]
• The 660LX includes Microsoft Windows CE Services 2.1 on CD, whereas the 620LX uses Services 2.0.^[4][5]

• List of HP pocket computers
• HP 300LX
• HP 320LX

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