HP Armada 1100 Armada 1100 Family of Personal Computers Maintenance and Servic - Page 11
System Design, The OPTi-designed Viper-N Chipset provides PCI bus, ISA bus, cache
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System Design This section provides an overview of the system design. System Board and Processor The OPTi-designed Viper-N Chipset provides PCI bus, ISA bus, cache controller, memory controller, and peripherals controller: o OPTi 82C557M System Controller o OPTi 82C556M Data Buffer Controller o OPTi 82C558E Integrated Peripherals Controller The computer supports a 75-MHz (P54C) CPU at 50-MHz bus speed, and a 100-MHz (P54LM) CPU at 66-MHz bus speed. Bus speed and processor core voltage are configurable through resistor values at manufacturing. The processor is soldered to the system board and is not removable. System Memory Options The main memory subsystem supports a standard 8 MB DRAM, expandable to a maximum of 24 MB. The standard memory is soldered onto the system I/O board. Expansion memory is available in 8 or 16 MB increments. Diskette Drive The computer uses a standard 3.5-inch, 1.44 MB diskette drive. The system supports a single diskette drive in the computer. Hard Drive The computer supports an IDE hard drive. Cable select technology is employed for device 0/device 1 selection. The hard drive mounts to the system board with a hard drive bracket and connects directly to the system board. A screw secures the hard drive bracket in place.