HP Vectra XA 5/xxx HP Vectra xA 5/XXX Series 5 /vl 5/xxx series 5 pc Technical - Page 52
HP Ethernet 10/100 BaseT Network Board
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3 Interface Devices and Mass-Storage Drives HP Ethernet 10/100 BaseT Network Board HP Ethernet 10/100 BaseT Network Board The HP Ethernet 10/100 BaseT Network Board is supplied on all models of the HP Vectra XA 5/xxx PC. It is based on the AMD PCnet-PCI-II 79C971 network processor chip. On desktop models, it is installed in a dedicated PCI accessory slot underneath the internal, hard disk drive, rear-shelf, plugged into the PCI Junior slot that is situated on the rear of the double-sided backplane board. On the rear panel there are two RJ-45 unshielded twisted-pair (UTP) connectors, whose pin-out is shown in the diagram on page 62. One is fully compliant with the 10-BaseT, 10 Mbits per second, ISO 8802-3 (IEEE/ANSI 802.3) standard. It supports the Remote Power-On (RPO) feature that is described on page 71. The other RJ-45 connector is fully compliant with the 100-BaseT, 100 Mbits per second, ISO 8802-3 (IEEE/ANSI 802.3u) standard. This connector supports the Remote Wake-Up feature, but not Remote Power-On. The two lights indicate which of the network sockets is connected (they are not link lights or activity lights). The controller automatically detects which of the two connectors is presently in use. There is a socket, on the network board, to support an Option ROM of up to 256 KB. This is not compatible with the Option ROM chip from the Enhanced Ethernet Network board. Remote start Network Processor Chip Filter RPO logic SRAM 20 MHz clock 100BT Phy layer Filter Option ROM socket 50 MHz clock RJ-45 UTP 10 BaseT network Network connected light RJ-45 UTP 100 BaseT network Network connected light 52