Alpha PCI 164–266/300 User's Manual

This document is the User's Manual for Digital's Alpha PCI 164-266/300 microprocessor motherboard, intended for system designers. It describes the features, configuration, and installation of this motherboard, which utilizes the Alpha 21164 microprocessor (266 or 300 MHz) and the DECchip 21171 core logic chipset.

Key components and features include:

• Processor: Alpha 21164 microprocessor (266/300 MHz) with a ZIF socket for upgrades.
• Memory: Supports 32MB to 512MB of DRAM and a 2MB L3 Bcache (configurable to 4MB or 8MB).
• I/O: A PCI bus serving as the main I/O bus (with 3 dedicated PCI slots and 1 shared PCI/ISA slot) and an ISA bus for system support functions (2 dedicated ISA slots, 1 shared PCI/ISA slot), including IDE, diskette, serial, parallel, mouse, and keyboard controllers.
• Firmware: A 1MB flash ROM containing Windows NT ARC firmware for booting Microsoft Windows NT (V3.51 or higher) and a debug monitor for hardware/software debugging.
• Configuration: Jumper settings control system parameters like Bcache size and speed, and boot options.
• Physical: Standard, full-size PC AT board (30.73 cm x 33.15 cm).
• Power: Requires a user-supplied PC power supply providing +3.3V, ±5V, and ±12V dc.

The manual provides detailed instructions for hardware and software setup, including installing memory, connecting peripherals, and configuring firmware to start Windows NT or access the debug monitor.