3COM 10-100 SECURE NIC 3CR990-TX-95 DRIVER DETAILS:

Type: Driver
File Name: 3com_10_19120.zip
File Size: 35.9 MB
Rating:
4.51
12 (4.51)
Downloads: 7
Supported systems: Windows 2008, Windows XP, Windows Vista, Windows 7/8/10
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3COM 10-100 SECURE NIC 3CR990-TX-95 DRIVER



Most major OSs are supported. Unfortunately, the annunciators and signal lights are also placed on the outside rim of the RJ sockets, leaving room for only two lights per socket, though they are double colored.

With multiple pairs of connections and both ports active, this Intel NIC averaged a whopping Mbps. Figure 1. Click image to view larger version. As with the 3Com card, I tested these cards in both slots. They even fit in a very old Intel motherboard, but not the old Biostar.

Both 3Com and Intel operated flawlessly. It consists of two large ASICs, some high-quality metal capacitors, a socket for PXE boot, with much of the other tightly integrated surface mount components in a partial two-layer, double-sided trace board.

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It also has my favorite utility: The lights cover speed 10Mbps, Mbps and 1,Mbpswith separate activity and link lights. The drivers come on a floppy disk, which also holds some documentation, most of which is also contained within a slim booklet.

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This card ran very cool, probably the coolest of all. SMC provides a lifetime warranty. Figure 2. With one pair, the SMC card averaged Mbps Figure 2but with multiple pairs averaged Mbps, peaking at between 47 percent and 57 percent of processor time. This contrasts with the Intel entry, 3Com 10-100 Secure Nic 3CR990-TX-95 averaged in the high 20s, and the 3Com, which peaked in the 30s. Linksys Instant Gigabit Network Adapter Linksys provided lots of equipment for testing, but because I had a bit capable server, I elected to mix a bit card the bit slot EG at one end point with a bit card, the EGT, at the other. Although, with one paired connection, the throughput was low Mbpsthe CPU utilization was the lowest of any gigabit cards tested—a miserly 7 percent on the dual Athlon MP server.

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On the endpoint single Athlon, utilization was at 14 percent, never rising to more than 27 percent for 20 pairs. Also, a workstation will devote significant portions of its processing power to handling the transfer. In both cases above, for Linksys and Intel cards, the default offload Tx checksums was enabled. Figure 3.

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To further investigate the seeming disparity regarding the Linksys pair, I tested multiple sets of pairs. At three pair, I recorded Mbps; at five pair, Mbps; and at 10 and 20 pairs, Mbps. As the Linksys pair is stressed by high demand and simultaneous operations, the throughput actually increased considerably, bringing it within range of the top-performing Intel and 3Com 3Com 10-100 Secure Nic 3CR990-TX-95 Figure 3.

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The Linksys drivers ship on floppy disks, but 3Com 10-100 Secure Nic 3CR990-TX-95 a great manual—a slim, detailed booklet. For those of us who dislike manuals, Linksys provides a handy, one-page quick start card for each common OS. The Linksys card appears to be a hybrid design somewhat similar to that of the SMC gigabit card: I used Category 6 cable for the testing. Although the card is compact, the first thing one notices is the large heat sink over the Broadcom ASIC. The board itself became quite warm to the touch.

As if to throw salt at top-tier and other manufacturers, the graphic on the box back claims throughput numbers showing 3Com 10-100 Secure Nic 3CR990-TX-95 besting both a similar but not the same Intel card and a D-Link entry. The power transistor is enveloped by a comparatively large heat sink screwed to the board. The board appears to be dual-sided, at least for the traces, and there are two wires covered by epoxy running from the MagTek magnetics chip, indicating a later engineering change. NetGear warranties its products for five years and includes a CD of driver support, along with a quick start poster.

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Although I used shipping drivers for all the other cards, I did update the driver for this card from the NetGear Web site. With five pairs, the driver for this card consistently generated a bluescreen when running Chariot, a performance-evaluation tool. With the second driver and one pair of connections, I generated an average throughput of Mbps and 45 percent utilization, and three pair returned Mbps and 46 percent 3Com 10-100 Secure Nic 3CR990-TX-95, both respectable.

At five pair, and the high throughput script, one of the endpoints failed in a bluescreen, indicating driver failure. In attempts to track this down, I ran many other scripts, including the throughput script, which writes a much smaller file and all the Microsoft scripts I could find.

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3Com 10/ Secure NIC 3CRTX screenshot. 3Com 10/ Secure NIC 3CRTX free download. 1 2 3 4 5.

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