今天终于把它打开了,3Com OfficeConnect 12口 100m的Hub,里面有三个bcm5205的芯片,应该是网络交换芯片吧,上图先....
另顺便上两块一样的dell机的intel代工主机板图,cpu 是478接口的,做工和用料都不错,型号是一样的,只是供电部份有些电容不同,一块供电部分用固态电容,另一块供电部分用三洋电容,其实两种都是很好的电容,一块主板确定是好的,另一块就不确定,但都准备要被我分解的,主要是想拆一些mos管和电容来用..懒得出去找电容,呵呵...反正主板有多块..下面上图........
外型图在这贴里,所以这贴就不上了...sorry.
http://bbs.mydigit.cn/read.php?tid=208396&fpage=2Manufactured by: 3COM
Model/Part : 3C16721A
Device Type: Hub
Enclosure Type: External
Networking Ports Qty: 12 x Ethernet 100Base-TX
Data Transfer Rate: 100 Mbps
Data Link Protocol: Fast Ethernet
Connectivity Technology: Wired
Switching Protocol: Ethernet
Status Indicators: Port status, link activity, collision status, power, alert, network utilization %
Features: Clippable
Compliant Standards: IEEE 802.3u
Interfaces: 12 x network node - Ethernet 100Base-TX - RJ-45 female - 12
Power Device: Power adapter - external
Voltage Required: AC 100/240 V ± 10% ( 50/60 Hz )
Power Consumption Operational: 18 VA
Enclosure Color: White
Width: 8.7 in
Depth: 7.3 in
Height: 2.2 in
Weight: 2 lbs
