Sun Microsystems Blade 1500 - Motherboard; Motherboard Block Diagram; C.2 Motherboard

C-4 Sun Blade 1500 Service, Diagnostics, and Troubleshooting Manual • December 2004
■ Chassis
■ ATX form factor tower case
■ ATX compatible power supply
■ Snap-on drive rails for hard drives, optical media drive, and smart card reader
bracket
■ Easy swing-out PCI card support
■ Snap-fit chassis fans
■ Single screw PCI card retainer
■ Single tool serviceability
■ Motherboard
■ UltraSPARC IIIi 64-bit processor
■ 128-bit JBus
■ Direct interface of CPU to DDR-1 memory
■ Four 144-bit DIMM memory slots
■ Front and rear USB 1.1 compliant ports
■ Two 32-bit 33 MHz PCI slots
■ Two 64-bit 33 MHz PCI slots
■ One 64-bit 66 MHz PCI slot
■ Peripherals
■ Support for IEEE 1394 and USB 2.0 high-speed external interfaces
■ Support for Cyberflex and Payflex smart cards
■ Legacy support for parallel and serial external interfaces
C.2 Motherboard
C.2.1 Motherboard Block Diagram
FIGURE C-2 shows the block diagram for the Sun Blade 1500 motherboard.