Dell OptiPlex GL Service Manual - Page 75
With the Power Management category, Enables On or disables Off
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Table A-1. System Setup Categories (continued) Category Function Power Management With the Power Management category enabled, DPMS monitors and most EIDE drives automatically switch into low-power mode during periods of system inactivity. CAUTION: Before enabling this feature, check the monitor documentation to make sure the system has a DPMS-compliant monitor. Otherwise, there is a risk of damaging the monitor. NOTE: Not all EIDE hard-disk drives support this feature. Enabling this feature for drives that do not support it may cause the EIDE drive to become inoperable until the system is restarted and the Power Management category is disabled. Sound Enables (On [default]) or disables (Off) the audio controller. NIC Enables (On) or disables (Off) the network interface controller. Mouse Enables or disables the built-in PS/2compatible mouse port. Serial Port 1 Serial Port 2 Configures system's built-in serial ports. Parallel Port Configures system's built-in parallel port. The port's I/O address may be set to 278H, 3BCH, or 378H. Otherwise, the port may be disabled. Parallel Modes Controls whether system's built-in parallel port acts as an AT-compatible (unidirectional) or PS/2-compatible (bidirectional) port. IDE Hard Disk Enables system's built-in EIDE hard-disk drive interface. Diskette Enables system's built-in diskette controller. USB Enables (On) or disables (Off [default]) the USB connectors. NOTE: This category appears only on GXpro systems containing the 10/100-Mbps Ethernet NIC. Speaker Enables on-board speaker. System Setup Program A-5