Local network

Greetings, All! I took out an old "four" from under the bed and stuck it in it. PCI Compex ReadyLink Express 10/100 network card on a Realtek chip. I plugged exactly the same network device into a more modern computer. After much manipulation, the network finally started working, but I'm confused by the speed - according to Total Commander it's not exceeds 700 kb/s when reading from a slow computer and 20 kb/s when records. In the network settings I set it to 100 Mbit Full Mode. The indicators on the network box indicate that the network works like 100 megabit. Native diagnostic utility too shows that the network is 100 megabits and all tests pass without errors. Maybe the weak processor (AMD486DX4-120) can’t handle much speed? Or is it that the hard drive on a weak computer is not does it work in DMA mode? (the screw itself supports UDMA, but no checkboxes in the hard drive properties where you can install DMA). The weak one is Vyn95OSR2, the strong one is Vyn98SE. I know for sure that the network cables and cord are in order, because on the other day we ran these network devices on fast computers and the speed was awesome. Now the question is how to enable DMA and how to increase speed networks? [REAL ZX]

Hello Nikolaj! 09 Feb 04 20:18, Nikolaj Amosov -> All: [skipped] NA> I took out an old “four” from under the bed and stuck it in NA> PCI Compex ReadyLink Express 10/100 network card on a Realtek chip. [skipped] NA> I'm confused by the speed - according to Total Commander it's not NA> exceeds 700 kb/s when reading from a slow computer and 20 kb/s when reading NA> entries. In the network settings I set it to 100 Mbit NA> Full Mode. Indicators on the network box indicate that the network NA> works as 100 megabit. Native diagnostic utility too NA> shows that the network is 100 megabits and all tests pass without NA> errors. This means your network really works at 100 MB. And what Totalnik shows is the data transfer speed. which will equal to or less than the speed of the slowest device in the chain. NA> Maybe the weak processor (AMD486DX4-120) is not strong enough NA> speed? As far as I've heard, Realtek network cards are "soft cards", i.e. some part The work is undertaken by the prof. Sellers in K.Mir said that 1 stump is enough for work. Here's the first reason for braking. NA> Or is it that the hard drive on a weak computer is not Is NA> running in DMA mode? (the screw itself supports UDMA, but no NA> checkboxes in the hard drive properties where you can install DMA). Naturally. If the screw is read slowly, then where might the big one come from? gear speed? If the screw writes even slower, then what is the point of transmitting packets with large speed, if they are still not needed for now? Try transferring data to a slow computer so that it receives it as nul, the speed should be higher. [skipped] NA> And now the question is how to enable DMA and how to increase speed NA> networks? If you do the first, you will do the second. Try installing a RAM disk driver on a slow machine and measure the speed reception/transmission when writing/reading from it (should be higher). Well, how to enable DMA - just read the documentation for the motherboard first and bios IMHO you need to enable it in the BIOS. There is also an assumption that you will not be able to do this. For An old/slow motherboard may not be able to work with a new/fast screw. I'm not talking about UDMA. Alexand

Hello, Alexander! Tuesday February 10, 2004 00:29:20 Aleksandr Majorov -> Nikolaj Amosov: NA>> Maybe the weak processor (AMD486DX4-120) is not strong enough NA>> speed? AM> As far as I've heard, Realtek network cards are "soft cards" AM> i.e. some part AM> the work is undertaken by the prof. Sellers in K.Mir said that AM> 1st stump is enough AM> for work. It’s strange when a friend bought these network devices in the same World, they didn't tell him anything... AM> Here is the first reason for braking. NA>> Or the fact is that the hard drive on a weak computer is not Is NA>> running in DMA mode? (the screw itself supports UDMA, but NA>> none NA>> checkboxes in the hard drive properties where you can install DMA). AM> Naturally. If it’s slow to read from the screw, then where? AM> a larger one may appear AM> gear speed? AM> If the screw writes even slower, then what's the point of transmitting AM> packets with high speed AM> if they are still not needed yet?For some reason I strongly doubt that the recording speed can be in 30 times slower than reading speed. By the way, there seems to be some kind of dependence on the phase of the moon - here today the recording speed was 100-120 kb/s, on the same file. AM> Try transferring data to a slow computer so that it AM> took them to nul, speed AM> should be higher. This is all nonsense, not transmission - I copied it to the 486th nul. The speed was 25 megabytes per second. IMHO in this case nothing was transmitted at all, since the channel was not physically allows you to move data at such a speed. AM> Try installing a RAM disk driver on a slow machine and AM> measure the reception/transmission speed AM> when writing/reading from it (should be higher). What kind of driver is this? The one that is ramdrive.sys? So he It only works under DOS. In any case, after it loading "devicehigh=ramdrive.sys /E 4096" in Windows it does not showed up in no way. AM> Well, how to enable DMA - read the documentation for AM> started on the motherboard and BIOS. I wish I had this very documentation :) No... AM> IMHO needs to be enabled in the BIOS. The only thing I found there was BLOCK MODE, which Iturned on ENABLE, and it became much slower. [REAL ZX]

Hello Nikolaj! 13 Feb 04 21:16, Nikolaj Amosov -> Aleksandr Majorov: [skipped] AM>> the work is undertaken by the prof. Sellers in K.Mir said that AM>> 1st stump is enough for work. NA> It’s strange when a friend bought these network devices in the same World NA> they didn’t tell him anything... Maybe the whole point is that before I bought the network device, I caught the seller and asked what it was, why it was so cheap and how it differed from those cards that dear...Huh? [skipped] AM>> If the screw writes even slower, then what's the point of transmitting AM>> packets with high speed AM>> if they are still not needed for now? NA> For some reason I strongly doubt that the recording speed can be in NA> 30 times less than the reading speed. Why not? Writing takes longer than reading. And after the recording, skip knows him, maybe is the record being checked (i.e. reading what was just written)? Although yes, 30 times is too much. NA> By the way, there seems to be some kind of dependence on the phase of the moon - here NA> today the recording speed was 100-120 kb/s, on the same NA> file.But no, the write speed can be several times slower than the read speed. Because fragmentation. And the heads go back and forth, either writing data or updating FAT. AM>> Try transferring data to a slow computer so that it AM>> took them to nul, speed AM>> should be higher. NA> This is generally nonsense, not transmission - copied to 486th NA> nul. The speed was 25 megabytes per second. IMHO in this case NA> nothing was transmitted at all, since the channel was not physically NA> allows you to transfer data at such a speed. Have you checked whether it was transmitted or not? Did the lights on the network devices blink? And how exactly did you copy it to nul? AM>> Try installing a RAM disk driver on a slow machine and AM>> measure the reception/transmission speed AM>> when writing/reading from it (should be higher). NA> What kind of driver is this? The one that is ramdrive.sys? No. There is a program that creates a RAM disk in Windows. And at the end work can save the RAM disk image to a file. And the next time you start restore. I don’t remember the name, I have it somewhere on my disks... [skipped] AM>> Well, how to enable DMA - read the documentation for AM>> started on the motherboard and BIOS. NA> I wish I had this documentation :) No... Well, yes, you don’t go online, you have nowhere to find... AM>> IMHO needs to be enabled in the BIOS. NA> The only thing I found there was BLOCK MODE, which I NA> turned ENABLEl, but it became much slower. Maybe the mod block needs to install something else for this? Maybe after activation you should have gone into the Windows disk properties and allowed DMA? There are a lot of options... Alexand