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电源开/关开关电源LED PS报警LED PS1 LED PS2 LED PS复位开关3。PS/2 5“驱动器托架5.25”驱动器托架可拆卸驱动器锁PS/2键盘连接器PS/2鼠标连接器注：所示型号带有冗余电源选项。图2-2：。车门打开的前视图表2-2。装置前面的功能功能功能描述电源开/关开关在系统正确配置并连接到适当的电源之前，此开关应置于OFF（O）位置。重置开关此开关可重新启动计算机。PS重置开关电源（PS）重置开关在电源中断触发时重置电源警报。此开关仅适用于配备双冗余300瓦交流电源的装置。1600通电时，诊断LED电源点亮。访问硬盘驱动器时，HDD1亮起。以下LED仅适用于配备双冗余电源的装置：电源故障时PS报警闪烁。当一个电源正常工作时，PS1点亮。当二个电源正常工作时，PS2点亮。PS/2鼠标连接器鼠标可通过此6针PS/2兼容连接器与系统连接。警告：如果鼠标插入后面板上的鼠标连接器，请勿将鼠标连接到此前连接器。PS/2键盘连接器键盘可通过此6针PS/2兼容连接器与系统连接。警告：如果键盘插入后面板上的键盘连接器，请勿将键盘连接到此前连接器。3.5英寸驱动器托架这些前部可访问的托架多可容纳两个3.5英寸存储设备，包括1.44 MB软盘和内部硬盘驱动器。5.25英寸驱动器托架这些托架多可容纳三个5.25英寸大容量存储设备，包括CD-ROM、CD可写、Zip和可移动硬盘驱动器。注意：该单元多可容纳四个IDE设备。可移动驱动器锁如果系统中安装了可移动驱动器，则必须将其锁定才能运行。锁上方的显示屏在锁定时显示O，解锁时显示U。当可移动硬盘驱动器处于活动状态时，显示屏也会闪烁。

Power ON/OFF Switch Power LED PS Alarm LED PS1 LED PS2 LED PS Reset Switch 3.PS/2 5” drive bays 5.25” Drive Bays Removable Drive Lock PS/2 Keyboard Connector PS/2 Mouse Connector Note: Model shown with redundant power supply option. Figure 2–2. Front View with Door Open Table2–2. Features on the Front of the Unit Feature Description Power ON/OFF Switch This switch should be positioned to OFF (O) until the system is properly configured and connected to an appropriate power source. Reset Switch This switch restarts the computer. PS Reset Switch The power supply (PS) reset switch resets the power supply alarm when triggered by a power supply interruption. This switch is present only on units with dual redundant 300 watt AC power supply. Diagnostic LEDs Power Lit when there is power to the 1600. HDD1 Lit when the hard drive is being accessed. The following LEDs apply only to units with dual redundant power supplies: PS Alarm Flashes when a power supply malfunctions. PS1 Lit when first power supply is functioning properly. PS2 Lit when second power supply is functioning properly. PS/2 Mouse Connector A mouse can interface with the system via this 6-pin PS/2-compatible connector. Caution: Do not connect a mouse to this front connector if a mouse is plugged into the mouse connector on the rear panel. PS/2 Keyboard Connector A keyboard can interface with the system via this 6-pin PS/2-compatible connector. Caution: Do not connect a keyboard to this front connector if a keyboard is plugged into the keyboard connector on the rear panel. 3.5” Drive Bays These front accessible bays can hold up to two 3.5” storage devices, including 1.44 MB floppy and internal hard drives. 5.25” Drive Bays These bays hold up to three 5.25” mass storage devices, including CD-ROM, CD-Writable, Zip, and removable hard drives. Note: The unit holds a maximum of four IDE devices. Removable Drive Lock If a removable drive is installed in the system, it must be locked in order to operate. The display above the lock shows an O when locked, and a U when unlocked. The display also flashes when the removable hard drive is active.