User manual NEC POWERMATE 466M SERVICE MANUAL

[. . . ] PROPRIETARY NOTICE AND LIABILITY DISCLAIMER The information disclosed in this document, including all designs and related materials, is the valuable property of NEC Corporation (NEC) and/or its licensors. NEC and/or its licensors, as appropriate, reserve all patent, copyright and other proprietary rights to this document, including all design, manufacturing, reproduction, use, and sales rights thereto, except to the extent said rights are expressly granted to others. The NEC product(s) discussed in this document are warranted in accordance with the terms of the Warranty Statement accompanying each product. However, actual performance of each such product is dependent upon factors such as system configuration, customer data, and operator control. [. . . ] All options except for the monitor require that the system unit top cover be removed. When installing the monitor, turn to the "NEC SVGA Monitor" subsection. INTERNAL OPTIONS All internal options require the top cover to be removed. When disassembling the system unit for option installation, follow these general rules. n Disconnect all peripherals. n When handling boards or chips, touch the system unit frame to discharge static. n Do not disassemble parts other than those specified in the procedure. n All screws are Phillips-head, unless otherwise specified. Note where the connector goes and in what posi- tion it was installed. WARNING: Unplug the power cord before disassembling the system unit. Voltage is present inside the system unit even after the power switch is turned off. All voltage is removed only when the power cord is unplugged. 3-2 Options Desktop Cover Removal Remove the desktop cover as follows. 1. Power off and unplug the keyboard, mouse, power and all other peripheral cables attached to the system unit. 2. Remove the two cover screws shown in Figure Section 3-1. Screws Figure Section 3-1 Desktop Cover Screws 3. Slide the top cover toward the rear about one inch. Lift the top cover up and off (see Figure Section 3-2). Figure Section 3-2 Removing the Desktop Cover Options 3-3 Minitower Cover Removal Remove the minitower cover as follows. 1. Power off and unplug the keyboard, mouse, power cord and all other peripheral cables attached to the system unit. 2. Remove the three cover screws shown in Figure Section 3-4. Screws Figure Section 3-4 Minitower Cover Screws 3-4 Options 3. Slide the top cover toward the rear about one inch (see Figure Section 3-6). Lift the top cover up and aff the system unit. Figure Section 3-6 Removing the Minitower Cover Expansion Board(s) There are five ISA 8/16-bit expansion slots on the ISA backboard. One of the five is an ISA/VL-Bus expansion slot. Two of the expansion board slots are occupied by the sound board and fax/modem board. Expansion boards plug into the edge connector on the backboard. See Appendix A for ISA connector pin assignments. Options 3-5 Desktop Expansion Board Installation Install expansion boards into the desktop system as follows. 1. [. . . ] on green video + 0. 7 Vp-p and - 0. 3 Vp-p NEC SVGA Monitor Specifications Specification 14-inch, 90 degree deflection, 0. 28 mm trio dot pitch Monitor Colors Analog input: Synchronization Range Horizontal: Vertical: Maximum Resolution Horizontal: Vertical: Active Display Area (Factory setting) Horizontal: Vertical: Power Supply Power Consumption Dimensions Weight Environmental considerations Operating temperature: Humidity: Storage temperature: Storage Humidity: -5°C to +35°C 10% to 80% (non-condensing) -40°C to +65°C 5% to 95% 9. 6 inches (246 mm) 7. 2 inches (185 mm) AC 120V/60 Hz, 220V/50 Hz 85 W 14. 5 (W) x 12. 9 (H) x 15. 2 (D) inches 367 (W) x 328 (H) x 385 (D) mm 25. 3 lb (11. 5 kg) 1024 pixels (non-interlaced/interlaced) 768 pixels (non-interlaced/interlaced) 31. 5 kHz/35. 2 kHz/35. 5 kHz/37. 5 kHz 50Hz to 90Hz (continuous) Unlimited colors (depends on the video output) (For United States Use Only) FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT WARNING: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. [. . . ]