IBM 847681U Hardware Maintenance Manual - Page 24
Integrated Direct Memory Access DMA Buffer, Full-duplex 10/100 Mbps Ethernet controller
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Side cover lock Unattended start mode SCSI Features 16-bit UltraSCSI adapter - One external connector - One internal connector Four bays available for internal SCSI hard disk drives Power Supply 330 Watts Auto-sensing function Built-in overload and surge protection Integrated Functions Voltage regulator for microprocessor Two serial ports Two universal serial bus (USB) ports One parallel port Mouse port Keyboard port Full-duplex 10/100 Mbps Ethernet controller - 10BASE-T/100BASE-TX port - Integrated Direct Memory Access (DMA) Buffer Management Unit for low microprocessor and bus utilization AGP function on system board - 4 MB synchronous graphics random-access memory (SGRAM), 100 MHz One dedicated AGP slot connector for video adapter Wake on LAN™ capability Alert on LAN™ capability Systems Management Controller 16 Netfinity Server HMM