Silicon Graphics SGI 1100, Maintenance And Upgrade Manual

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16 007-4047-001
1: Chassis Description
• Memory interface
Four DIMM sockets support four PC 133 registered ECC SDRAM modules.
• IDE interface
– E-IDE controller built-in RCC OSB4 (Open South Bridge).
– PCI bus master dual-channel E-IDE interface.
– Provides up to four IDE devices.
– Supports PIO mode 4 transfers up to 16.7 MB/sec, DMA mode 2, and Ultra
DMA33 (33 MB/sec) mode.
• Diskette drive interface
– Compatible with IBM PC AT disk drive system.
– 16-byte data FIFO.
– Data rate and drive control register.
– DMA enable logic.
– 480 addresses, up to eight IRQs, and seven DMA Options.
– Supports 3.5-inch diskette drives.
– Supports 360K-, 720K-, 1.2M-, 1.44M-, 2.88M-byte format, and 250K-, 300K-,
500K-, 1M-, or 2M-bps data transfer rate.
– Supports 3-mode diskette drive.
• PCI Slots
One 64-bit/66-MHz PCI 2.2-compliant PCI slot with a PCI riser card.
•
BMC interface
Two 24-pin BMC (Baseboard Management Controller) interfaces.
• I/O APIC device for SMP interrupt support.
• Server management controller chipset.
•
Serial port
Two high-speed NS16C550-compatible UART with send/receive 16-byte FIFO
serial ports.
• USB port
Four USB ports support Universal HCI specification for USB 1.0.
• PS/2 keyboard and mouse port