Maybe they assume that the newer keyboards and mouse connections are usb and not ps2. I just got a new pc at work, 6 usb rear ports, 2 front usb ports, no ps2 ports. You can always use a ps2/usb adapter to connect to a usb port. Paul Hachmeyer -----Original Message----- From: Personal Computer Hardware discussion List [mailto:[log in to unmask]] On Behalf Of Tom Waddell Sent: Tuesday, December 14, 2010 3:23 PM To: [log in to unmask] Subject: [PCBUILD] Dual Mouse/Keyboard PS2 connector. How do they work? Just started to see these on MB's. How do you connect a mouse AND a keyboard at the same time, buy a "Y" connector? PCBUILD's List Owners: Bob Wright<[log in to unmask]> Mark Rode<[log in to unmask]>