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電源開/關(guān)開關(guān)電源LED PS報(bào)警LED PS1 LED PS2 LED PS復(fù)位開關(guān)3。PS/2 5“驅(qū)動(dòng)器托架5.25”驅(qū)動(dòng)器托架可拆卸驅(qū)動(dòng)器鎖PS/2鍵盤連接器PS/2鼠標(biāo)連接器注：所示型號(hào)帶有冗余電源選項(xiàng)。圖2-2：。車門打開的前視圖表2-2。裝置前面的功能功能功能描述電源開/關(guān)開關(guān)在系統(tǒng)正確配置并連接到適當(dāng)?shù)碾娫粗?，此開關(guān)應(yīng)置于OFF（O）位置。重置開關(guān)此開關(guān)可重新啟動(dòng)計(jì)算機(jī)。PS重置開關(guān)電源（PS）重置開關(guān)在電源中斷觸發(fā)時(shí)重置電源警報(bào)。此開關(guān)僅適用于配備雙冗余300瓦交流電源的裝置。1600通電時(shí)，診斷LED電源點(diǎn)亮。訪問硬盤驅(qū)動(dòng)器時(shí)，HDD1亮起。以下LED僅適用于配備雙冗余電源的裝置：電源故障時(shí)PS報(bào)警閃爍。當(dāng)一個(gè)電源正常工作時(shí)，PS1點(diǎn)亮。當(dāng)二個(gè)電源正常工作時(shí)，PS2點(diǎn)亮。PS/2鼠標(biāo)連接器鼠標(biāo)可通過此6針PS/2兼容連接器與系統(tǒng)連接。警告：如果鼠標(biāo)插入后面板上的鼠標(biāo)連接器，請(qǐng)勿將鼠標(biāo)連接到此前連接器。PS/2鍵盤連接器鍵盤可通過此6針PS/2兼容連接器與系統(tǒng)連接。警告：如果鍵盤插入后面板上的鍵盤連接器，請(qǐng)勿將鍵盤連接到此前連接器。3.5英寸驅(qū)動(dòng)器托架這些前部可訪問的托架多可容納兩個(gè)3.5英寸存儲(chǔ)設(shè)備，包括1.44 MB軟盤和內(nèi)部硬盤驅(qū)動(dòng)器。5.25英寸驅(qū)動(dòng)器托架這些托架多可容納三個(gè)5.25英寸大容量存儲(chǔ)設(shè)備，包括CD-ROM、CD可寫、Zip和可移動(dòng)硬盤驅(qū)動(dòng)器。注意：該單元多可容納四個(gè)IDE設(shè)備?？梢苿?dòng)驅(qū)動(dòng)器鎖如果系統(tǒng)中安裝了可移動(dòng)驅(qū)動(dòng)器，則必須將其鎖定才能運(yùn)行。鎖上方的顯示屏在鎖定時(shí)顯示O，解鎖時(shí)顯示U。當(dāng)可移動(dòng)硬盤驅(qū)動(dòng)器處于活動(dòng)狀態(tài)時(shí)，顯示屏也會(huì)閃爍。

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.