HP Compaq CQ1 All in One Intel Wushan D510 Desktop Motherboard without 1394 599990-001 HP Compaq CQ1 All in One Intel Wushan D510 Desktop Motherboard without 1394 599990-001 Manufacturer: HP Part #: 599990-001 Alternative Part #: 626781-001, 599990-201 Compatible Model: HP Compaq CQ1 All in One