Question: DFE-650 only 10 Mbit? 

Forum: PCMCIA Network Adapter Issues
Date: 1999, Nov 29
From: tma

Hello, i have a rather strange problem with a D-LINK DFE-650 100TX card on an ACER Travelmate 332T.. the card itself works pretty good, but the maximum speed is ~ 1.18 mb/sec, which is exactly 10Mbit. the network/connection is about 6-8 mb/sec with win98 (spit!) using the same machine/card, so the problem seems to be the driver.. the faq lists this card as 10/100 & working, so i'm optimistic dump of dmesg: (oh yes, and it's a somehow modified slackware 7.0) Linux version 2.2.13 (root@flap) (gcc version 2.95.1 19990816 (release)) #2 Mon Nov 29 21:47:13 CET 1999 Detected 365819234 Hz processor. Console: colour dummy device 80x25 Calibrating delay loop... 365.36 BogoMIPS Memory: 62908k/65472k available (1060k kernel code, 412k reserved, 1024k data, 68k init) VFS: Diskquotas version dquot_6.4.0 initialized CPU: Intel Mobile Pentium II stepping 0a Checking 386/387 coupling... OK, FPU using exception 16 error reporting. Checking 'hlt' instruction... OK. POSIX conformance testing by UNIFIX mtrr: v1.35a (19990819) Richard Gooch (rgooch@atnf.csiro.au) PCI: PCI BIOS revision 2.10 entry at 0xf0200 PCI: Using configuration type 1 PCI: Probing PCI hardware Linux NET4.0 for Linux 2.2 Based upon Swansea University Computer Society NET3.039 NET4: Unix domain sockets 1.0 for Linux NET4.0. NET4: Linux TCP/IP 1.0 for NET4.0 IP Protocols: ICMP, UDP, TCP Starting kswapd v 1.5 vesafb: framebuffer at 0x80800000, mapped to 0xc4000000, size 2560k vesafb: mode is 800x600x8, linelength=800, pages=4 vesafb: protected mode interface info at c000:687c vesafb: scrolling: redraw Console: switching to colour frame buffer device 100x37 fb0: VESA VGA frame buffer device Detected PS/2 Mouse Port. Serial driver version 4.27 with no serial options enabled ttyS00 at 0x03f8 (irq = 4) is a 16550A ttyS02 at 0x03e8 (irq = 4) is a 16550A pty: 256 Unix98 ptys configured apm: BIOS version 1.2 Flags 0x0f (Driver version 1.9) Real Time Clock Driver v1.09 Uniform Multi-Platform E-IDE driver Revision: 6.20 ALI15X3: IDE controller on PCI bus 00 dev 78 ALI15X3: not 100% native mode: will probe irqs later ide0: BM-DMA at 0x7090-0x7097, BIOS settings: hda:DMA, hdb:pio ALI15X3: simplex device: DMA disabled ide1: ALI15X3 Bus-Master DMA disabled (BIOS) hda: IBM-DBCA-206480, ATA DISK drive ide2: ports already in use, skipping probe ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 ALI15X3: Ultra DMA enabled hda: IBM-DBCA-206480, 6194MB w/420kB Cache, CHS=789/255/63, UDMA(33) Floppy drive(s): fd0 is 1.44M FDC 0 is a National Semiconductor PC87306 Partition check: hda: hda1 hda2 < hda5 hda6 > hda3 VFS: Mounted root (ext2 filesystem) readonly. Freeing unused kernel memory: 68k freed Adding Swap: 104384k swap-space (priority -1) parport0: PC-style at 0x378 [SPP,PS2,EPP] lp0: using parport0 (polling). CSLIP: code copyright 1989 Regents of the University of California PPP: version 2.3.7 (demand dialling) PPP line discipline registered. PPP BSD Compression module registered Linux PCMCIA Card Services 3.1.5 kernel build: 2.2.13 #1 Mon Nov 29 21:17:51 CET 1999 options: [pci] [cardbus] [apm] Intel PCIC probe: O2Micro OZ6812 PCI-to-CardBus at bus 0 slot 19, mem 0x68000000, 1 socket host opts [0]: [a 24] [b 0d] [c 00] [d 83] [mhpg 18] [fifo 00] [e 2a] [no pci irq] [lat 32/176] [bus 32/34] ISA irqs (default) = 3,4,7,11,12 polling interval = 1000 ms cs: IO port probe 0x1000-0x17ff: clean. cs: IO port probe 0x0100-0x04ff: excluding 0x408-0x40f 0x480-0x48f 0x4d0-0x4d7 cs: IO port probe 0x0a00-0x0aff: clean. cs: memory probe 0xa0000000-0xa0ffffff: clean. eth0: NE2000 Compatible: io 0x300, irq 3, hw_addr 00:E0:98:73:A0:75 eth0: found link beat thanks in advance, tma

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I don't really know Re: Question: DFE-650 only 10 Mbit? Date: 1999, Nov 30 From: David Hinds <dhinds@pcmcia.sourceforge.org>

I have no additional information for you. With this card, I get about the same throughput you do. The card definitely does negotiate a 100baseT connection; a conventional NE2000 type card could not reach this speed on a 10baseT link. I had assumed that the card was doing some sort of internal throttling, since it could never keep up with a 100baseT link anyway. However, it is (as far as I know) not possible that you could get 6-8 mb/sec under windows with this card. The maximum transfer rate for the 16-bit PCMCIA bus is only about 2 mb/sec, and it is not possible to do better than that without going to a CardBus card. -- Dave

Question: right. Re: I don't really know (David Hinds) Date: 1999, Nov 30 From: tma

reinstalled 98, does really just ~1,3 mb/sec.. lesson learned, never believe anything you haven't tested yourself..damn. 1.) D-Link DFE-660TX and 2.) SURECOM EP-428X are both CardBus. do you know if they work smooth & fast, especially the 428X ? thanks, tma

Re: Question: right. Re: Question: right. Date: 1999, Nov 30 From: David Hinds <dhinds@pcmcia.sourceforge.org>

The D-Link should be good; the Surecom is not on my list of supported cards. -- Dave

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