tailieunhanh - COMMODORE PHOENIX User Guide phần 3

REMOVING THE KEYTOP (Mở máy tính) Cảnh báo: ♦ Nếu đơn vị được cắm vào, năng lượng dòng chảy liên tục cho đơn vị hay không, nó thực sự bật. ♦ thích hợp ngắt kết nối điện phải diễn ra trước khi đơn vị được mở ra vì lý do nào. Chú ý: Để bảo vệ các thành phần hệ thống tĩnh điện của một dây đeo cổ tay có căn cứ | REMOVING THE KEYTOP Opening the Computer Warning If the unit is plugged in power flows continuously to the unit whether or not it is actually turned on. Proper disconnection of power must take place before the unit is opened for any reason. NOTE To protect the system components from static electricity a grounded wrist strap or equivalent precaution is recommended. Whenever components are removed from the system they must be placed in an anti-static bag or on a grounded surface. 1. First remove the two Phillips screws on the back of the unit and the single screw in the small plastic cover on the outside of the Keytop to the left of the PCI slot blanking plate. T urn over the COMMODORE PHOENIX and remove the five Phillips screws from the base. Bare bone units ship unassembled so this 2. step is not necessary if the unit has not yet been populated with components. Turn the keyboard right side up and lift the center front of the Keytop being careful of the two wire connections that remain inside. Lift the rear of the 3. Keytop forward and upward to clear the connectors on the back of the unit. Before fully removing the Keytop be sure to disconnect the two cables that connect the Keytop to the Motherboard. They are a. The 20-way Ribbon cable from the keyboard controller PCB CN7 in the Keytop connected to header JFP1 on the Motherboard. b. The 44-way Ribbon cable from the Optical drive in the Keytop 4. connected to IDE1 on the Motherboard. Once you have disconnected the cables lift the Keytop off the computer and set it aside. 12 Hardware Installation and Replacement COMMODORE PHOENIX User Guide Memory Installation Maximum system memory supported by the COMMODORE PHOENIX is GB. The COMMODORE PHOENIX has two DDR2 Sockets. Memory can be installed using t240-pin DDR2 DIMM memory modules. There are no jumper settings required for the memory size or type which is automatically detected by the BIOS. Memory modules must meet the following requirements DDR2 SPEED .

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