UP2000 Technical Reference

Full specification detail for the UP2000 motherboard, expanding on the summary in the UP2000 product overview.

Processor & cache

• One or two Alpha 21264 processors, Slot B modules, 667 or 750MHz
• 2, 4, or 8MB L2 cache per processor; 3.2GB/s sustained L2 cache bandwidth
• Integrated I²C bus for system management, on-module thermal sensor per processor

Chipset & memory

• 256-bit wide memory bus, up to 2.65GB/s memory bandwidth
• Up to 8 PC100 168-pin registered/buffered SDRAM DIMMs with ECC, 256MB–2GB
• Dual independent peer PCI buses, 400MB/s total I/O bandwidth

Expansion & I/O

• Six PCI slots (two 64-bit, four 32-bit), one shared ISA slot
• Floppy controller, two serial ports (modem control), parallel port, dual USB
• 2MB flash ROM

Chassis & form factor

Extended-ATX, 13″x12″, rack-mountable with the API PowerRAC Chassis 320.

See also: UP2000 performance data.