waashk/20ng huggingface dataset:
david@c-cat.UUCP (Dave) write: >are we talking about a SCSI-1 device (e.g. HD) on a SCSI-2 Controller >or           >are we talking about a SCSI-1 Controller that had a chip upgrade >using the same chip that is on a SCSI-2 controller board. we are talking about a SCSI-1 device (e.g. HD) on a SCSI-2 Controller.  Here is a rewrite of my Mac & Info sheet SCSI section: SCSI: only external device expansion interface common to both Mac and IBM.  Allows the use of any device: hard drive, printer, scanner, Nubus card   expansion {Mac Plus only}, some monitors, and CD-ROM.  Normal {asynchronous}  SCSI is 5 Mhz;  fast {synchronous} SCSI is 10 Mhz.  Difference between these  modes is mainly in the software drivers.  Main problem:  there are a lot of external devices which are internal   terminated which causes problems for more then two devises off the SCSI port   {A SCSI chain is supposed to be terminated ONLY at the begining and end.   Any other set up causes problems for either Mac or IBM}.  SCSI-1:  8-bit; 7 devices per SCSI controller.  asynchronous {~1.5MB/s ave}  and synchronous {5MB/s max} transfers.  8-bit SCSI-2 is often mistaken for  a fast version of SCSI-1 {see SCSI-2 for details}. SCSI-2: fully SCSI-1 compliant. SCSI-2 mode - 10 devices per SCSI controller.  8-bit SCSI-2 is implimented as a very fast SCSI-1 since it can run using  SCSI-1 hardware and software drivers which limits it to 7 devices, which  results in it sometimes being mistakenly consitered part of SCSI-1.  16-bit  and 32-bit SCSI-2 require different ports, electronics, and SCSI software  drivers from SCSI-1 {Which makes them more expensive than other SCSI  interfaces}.  32-bit SCSI seems to run only in synchronous mode, hence term  'wide and fast SCSI' Transfer speeds are 4-6MB/s with 10MB/s burst {8-bit},  8-12MB/s with 20MB/s burst {16-bit}, and 15-20MB/s with 40MB/s burst  {32-bit}.  8-bit SCSI-2 is the BIGGEST headache due to the fact that it is the ONLY SCSI-2  that I know of that can pump SCSI-2 speeds through SCSI-1 devices and software controlers.  Its MAIN implimentation is on the Mac though you do see adds for SCSI-2 at 10MB/s maximum throughput for PCs.  Since 8-bit SCSI-2 does NOT NEED all the hardware {including electonics} and software of 16-bit and 32-bit SCSI-2 it is the CHEEPEST of the SCSI-2 interfaces.  Just pop out the SCSI-1 electornics and pop in 8-bit SCSI-2 electronics.  Some people consider 16-bit where SCSI-2 REALLY starts {I USED to be one of them} but 4-6MB/s average though put with a theoretical burst of 10MB/s is NOT SCSI-1 but is 8-bit SCSI-2. Rule of thumb: if it is SCSIn and OVER 5MB/s then it is SOME type of SCSI-2.
Two questions: 1: I'm trying to figure out how to access cmos advanced chip setting on a EISA motherboard (AIR) that has AMI bios..specifically I would like to set the atclk or wait states or bus speed on this board, I can't seem to be able to do it..any help in this area would be greatly appreciated.  2: I am looking for a phone number for WANGTEK tape drives, specifically I am looking for jumper settings on a 5099EN24 drive..
I need to duplicate a bunch of floppy disks (3.5") and ideally would like to be able to keep 2 to 4 floppies busy simultaneously on a single PC. [Yes, I know that services to do this exist.]   I know that standard ISA bus floppy controllers can only have one drive active at a time. I know that some controllers are available that can handle 4  floppies with serialized access. I know that microchannel machines can keep  more than one floppy active simultaneously. But does anyone have a controller  for an ISA bus PC that can simultaneously keep 2 to 4 floppies going? How about for an EISA machine?  If the limitation is a software limitation, I can work around that by using OS/2 1.3 on my PC-286.  New or used, I'm interested.    orville
Hi, all hardware netters,    I've seen recently on some magazines advertising a ?NEW? Trident graphics card call 8900CL. The ad said it's new and *faster*. How is it compare to Tseng ET4000? BTW, which is the fastest *non-accelerated* SVGA on the market? Any info or benchmark are welcome. Thanks in advance.  						regards,
I currently have a AD-lib card, it can play .mid files in windows but it cannot play the startup .wav files..  i called microsoft... no help. i cannot call ad-lib since they went belly up.  does anyone know if there are special drivers that i need for this? if so, where are they?  Thanx in ad-libvance!! :-)
In article <1993Apr19.145456.20462@msc.cornell.edu>, randy@msc.cornell.edu (Randy Ellingson) writes:  [ Questions deleted ]  > I actually have a PAS-16, and could (what a waste I guess it would be...) hook > up a SCSI HD through it's SCSI port which yields an optimum of 690Kb/sec. > Actually, I have a borrowed 12ms Fujitsu HD hooked up through it now (and > own the Trantor HD drivers for the PAS-16 SCSI port).  Is this SCSI port a > SCSI-2 port?  How could I tell?  Is the Fujitsu 2623A a SCSI-2?  Are all SCSI > HD's SCSI-2?  Does any one know what the PAS16 SCSI port is? I counted the pins on the board displayed in their ad and it only got 40! What happened to the other 50?  Did they junk a whole bunch of grounds or what?  >  > Thanks for any comments. >  > Randy >     Guy
I've been trying to get my Fujitsu M2611T 45mb hard disk (circa  1990) to share my IDE card with a new Seagate ST3283A 245mb one.   I've tried fiddling the jumpers to set the master and slave drives  without any success  [without the table of hard drive specs from  this newsgroup I couldn't have got that far].  Has anyone else got this combination to work.  The place I got the new one muttered something like "Hmmm  Fujitsu, nice drives, not very compatible."  He'll let me swap the Seagate for another brand  but he thought it was more a problem with the Fujitsu.  So has anyone got a similar Fujitsu drive to work with another cheapish  disk ... or want to buy a cute and cuddly little Fujitsu drive ?
In a previous article, guyd@austin.ibm.com (Guy Dawson) says:  >Something to bear in mind is what the V in VLB stands for! > >V for Video - the origional intention of the bus was to speed up >the bus so that large memory to memory transfers would be faster. >This is espically useful in transfering data from main memory to >video memory.   Well, not to be picky, but the V in VLB stands for VESA. While the V in VESA stands for video, saying the V in VLB stands for video is not entirely correct.
mikey@eukanuba.wpd.sgi.com (Mike Yang) writes:  >In article <1qulqa$hp2@access.digex.net>, rash@access.digex.com (Wayne Rash) writes: >|> The F550iW is optimized for Windows.  It powers down when the screen >|> blanker appears, it powers down with you turn your computer off, and it >|> meets all of the Swedish standards.  It's also protected against  EMI from >|> adjacent monitors.   >Thanks for the info.  >|> Personally, I think the F550i is more bang for the buck right now.  >How much more does the F550iW cost?  >----------------------------------------------------------------------- >                 Mike Yang        Silicon Graphics, Inc. >               mikey@sgi.com           415/390-1786
How hot should the CPU in a 486-33 DX machine be?  Currently it gets so hot that I can not hold a finger on it for more than 0.5 s.   I keep a big fan blowing on it, but am considering using a heat sink.  Any advice?
Hello netters,  	I have a question concerning SCSI on DOS.  	I have a ST01 SCSI controller and two hard-disks conected 	(id's 0 and 1). I'd like to connect a SCSI streamer, but I 	don't have software to access it. Does such a beast exist 	as shareware or PD ? 	 	Also what if I want a third disk ? I know that DOs only can 	"see" two two physical and four logical disks. Will it be 	possible to use extra disks ?  	Thanks in advance.  	Ib
In article <21APR199314480846@vill.edu> 166728647@vill.edu (DHARMESH CHOVATIA) writes:  >I have a Panasonic kx-1124 (just inherited with no documentation) which is  >giving me a problem that i cant resolve.  is this the KX-P1124 you're talking about?  or is there a KX-1124, too? I'll assume you just forgot the P....  >The paper out light refuses to go out .  this light is also the power light.....  on (not blinking) just means that the power is turned on.  if you look at the panel, it should read        POWER       ---------       PAPER OUT  right?  >It starts to blink when ever i turn the power on which 2 beeps.  don't know why it would do this, unless you're out of paper, that is.  >It does allow be to go on line with green >light lit, simultanously the red paper out light also remains lit -but is >does not blink.  when you power up the printer, assuming it does have paper, the red power light (which, when flashing, doubles as paper out) should light, and a few seconds later, the green ONLINE light should come on.  hope this helps.....    --jim  -- #include <std_disclaimer.h>                                 73 DE N5IAL (/4) ------------------------------------------------------------------------------ INTERNET: jim@n5ial.mythical.com  |  j.graham@ieee.org     ICBM: 30.23N 86.32W AMATEUR RADIO: n5ial@w4zbb (Ft. Walton Beach, FL)          AMTOR SELCAL: NIAL
arnolm2@aix.rpi.edu (Matthew Richard Arnold) writes: >chip in the future.  I must be missing something, since everyone is  >buying the DX2 66...  Many adds don't even mention the DX 50.  The 50 MHz external bus speed provides a hell for cache designs. Most of the DX-50 boards have too slow caches that make them effectively DX2-50:s. Also as someone else pointed out, local bus boards are better off at 33 MHz bus speed. The 8k internal cache allows the DX2-66 to be generally faster anyway.
About two months ago I purchased the Adaptec ASW-410 driver for use with a CD-ROM drive.  At the time this seemed the thing to do as the documentation I had with my Adaptec SCSI controller said that this is the driver to be used with CD-ROM drives.  Since then I have learn that this driver is out of date in a major way and that Adaptec have an upgrade deal for going to the next driver (I think it's called EZI-SCSI or something).  I wasn't too fussed about this until I upgraded by CD-ROM drive from a Sony CDU-541 to a Sony CDU-641.  I now find that the audio-mode will not work.  I assume it is not being handled correctly by the ASW-410 driver.  So, should I chase Adaptec for an upgrade?  If so does anyone know their FAX number?  Any assistance appreciated.  Regards  BTW: everything else works fine, certainly seems that Sony have caught up with      the rest with the 641.
Andrew, You can get the heat sinks at Digi-Key 1-800-344-4539 part #HS157-ND $4.10  size 1.89"L x 1.89"W x .600"H  comes with clips to install it. But if it was me I would get a $12.99 small fan from Radio Shack and install it where it could just blow at the cpu instead...Sam
mspeed@ccwf.cc.utexas.edu (Matthew P. Speed) writes: > I am looking at purchasing a 486 system from Zeos computers. I would appreciate > if people could give me some feedback about the quality of their products and > customer service along with any advice about which systems people like. > Thanks in advance. >  >  I bought a 386DX33 system a little over 2 years ago, and was satisfied with everything about Zeos.  That computer went off to grad school with my son and I replaced it with a 486DX2/66 pkg 4 (345 MBHD, 16MB ram) with Diamond Viper, 128K level 2 cache, and tower upgrades, delete the CTX monitor.  I got a 17" HP D1193A monitor employee purchase.  This is a *great* system, fast, quiet, solidly built, not a single glitch bringing it up.  Tech support seems  busier now than 2 years ago.  I called with a configuration question, and they called back 4 hours later with the right answer.  I think there's a slight premium over Gateway prices, but IMHO Zeos is worth it. BTW they  have enough 800 lines that I've never gotten a busy signal calling sales, customer service, or tech support. Now, you usually wait 5 or 10 minutes to talk to someone, but at least you get in the queue and wait on their dime.
Greetings all...  Could some kind sole email me the specs for a Western Digital drive?  It is Model # WD93044-A with 782 cyl and 4 hds.  But I do not know the sectors per track, or any of the other information I have to feed to my bios to get it up and running.  Thanx for any help Bob K.  roking@lynx.dac.northeastern.edu
In article <1993Apr06.154348.17163@zeos.com> root@zeos.com (Superuser) writes: > >                     NCR              Stealth 24 VLB        Viper VLB >64Ox480 Colors       16,256           16,256,32K,64K,16.7M 16,256,32K,64K,16.7M * [stuff deleted] >Video RAM            1M               1M                    1M >Max RAM addressable >  by Vid Processor   3M               2M                    2M                                        ^^    Just a note, even though the 805 can address 2 megs of dram, the Stealth 24 VLB can only handle 1 meg, unless Diamond has a newer design (or some special deal with Zeos).
In article <C5I8Fx.8FC@ucdavis.edu> ez033672@rocky.ucdavis.edu (The Great Randalli!) writes:  >     Can anyone explain in fairly simple terms why, if I get OS/2, I might  >   need an SCSI controler rather than an IDE.  Will performance suffer that >   much?  For a 200MB or so drive?  If I don't have a tape drive or CD-ROM? >   Any help would be appreciated. > >   Richard Randall -- <ez033672@hamlet.ucdavis.edu>  There is a way in which a multi-tasking computer actually gives you more CPU power then you had before, and that is with I/O overlap. With I/O overlap, your CPU can continue to "think" while disk operations are underway, whereas without overlap, your CPU sits idly waiting for each disk operation to finish - and disk operations take an *eternity*, compared to a fast CPU.  So, when you've got multi-tasking, you want to increase performance by increasing the amount of overlapping you do.  One way is with DMA or bus mastering.  Either of these make it possible for I/O devices to move their data into and out of memory without interrupting the CPU.  The alternative is for the CPU to move the data.  There are several SCSI interface cards that allow DMA and bus mastering.  IDE, however, is defined by the standard AT interface created for the IBM PC AT, which requires the CPU to move all the data bytes, with no DMA.
I am looking for information about this drive.  Switch settings, geometry..etc.  Conner CP3204F  Please reply via e-mail.  Many thanks in advance!
Once again, someone else with a Gateway Monitor problem, anyone who can help, please do, it would be much apprieciated.  Thanks in advance.  Ok, I have a Local Bus 486/66 machine, with the Crystal Scan 15inch monitor.  I have 1 meg of loca memory on the ATI ultra pro, w/ the mach32 driver (the newest release).  My problem is in Windows when I use the 1024 mode. I get shadows down the sides of the screens, and very blurry type in the corners.  The types on the screen are all out of focus. I've gotten replacement video cards, and a replacement monitor.  None of that has helped though. Could someone pleae help me with this very frustruating problem.  Thanks again, Josh Smith
With a sound card on interrupt 5, two serial ports (one for modem on i4, one for Miracle Piano on i3) and a printer port on i7, I have run out of low interrupts.  What I would like is a mouse port with an interrupt of 10, 11, or 12 (which ever interrupt the PS/2 mouse port uses) in in ISA i486 computer.  I called technical support of Microsoft, Logitech, & ATI (checked what interrupts the mouse port on the ATI video cards can use) and they all said the only interrupts possible on these cards was ones lower than 7.  Does anyone know of any board for an ISA bus which will allow a mouse port (or even a serial port) with high interrupts?
In article <1qk7kvINNndk@dns1.NMSU.Edu> bgrubb@dante.nmsu.edu (GRUBB) writes: >>point of view, why does SCSI have an advantage when it comes to multi- >>tasking?  Data is data, and it could be anywhere on the drive.  Can >>SCSI find it faster?  can it get it off the drive and into the computer >>faster?  Does it have a better cache system?  I thought SCSI was good at >>managing a data bus when multiple devices are attached.  If we are >>only talking about a single drive, explain why SCSI is inherently >>faster at managing data from a hard drive.  >IDE:  Integrated Device Electronics  > currently the most common standard, and is mainly used for medium sized  > drives. Can have more than one hard drive. Asynchronous Transfer: ~5MB/s max.  Why don't you start with the spec-sheet of the ISA bus first? You can quote SCSI specs till you're blue in the face, but if they exceed the ISA bus capability, then what's the point?  Who says IDE is limited to 5 megs/sec?  What about VLB-IDE?  Does anyone know how they perform?  >So at its LOWEST setting SCSI-2 interface in Asynchronous SCSI-1 mode AVERAGES  >the through put MAXIMUM of IDE in asynchronous mode.  In full SCSI-2 mode >it blows poor IDE out the window, down the street, and into the garbage can.  As implimented on what system?    >The problem becomes can the drive mechanisim keep up with those through put >rates and THAT is where the bottleneck and cost of SCSI-2 comes from.  NOT >the interface itself but more and more from drive mechanisims to use the >SCSI-2 through put.    Given the original question (SCSI used only as a single hard drive controller),  is it then necessary to get a SCSI drive that will do at least 5, maybe 10 megs/sec for the SCSI choice to make any sence? What does a 200-400 meg 5 megs/sec SCSI drive cost?  >The cost of SCSI interface is a self fulliling >prophisy: few people buy SCSI because it is so expencive for the PC, which >in turn convices makes that mass producing SCSI {which would reduce its >cost} is unwarented, and so SCSI is expencive. {That is the effect of the >Rule of Scale: the more items sold the less EACH item has to bare the brunt >the cost of manufacture and so the less each item has to cost}  The original CGA cart back in '84 was $300.  I think the original EGA card (or PGA?) was $800.  SCSI has stood relatively alone in not coming down in price, mainly because we're talking about PC's and not Sun's or Sparc or SGI or (name your favorite unix workstation).  That is, after millions of PC buying decisions over the years, SCSI has had plenty of time to come down in price.
The last time I was in microprocessor lab was in 1980, using Z-80. So I don't know a lot of buzz terms in PC hardware.  Now I need to purchase a 486, help me to ask the right questions.  Motherboard:     I need 486-33 with 8 MB ram, with additonal slot for 8 more MB.     I would like to get two VESA Local Bus. One for video, not sure     what am I going to do with the other.      It must be able to run Unix.          What are other questions that I should ask to ensure getting a     quality stuff? What are other important features ?   Monitor:     I want a 14" non interlaced svga, but not sure about what brand     to get. I can't afford NEC or SONY. What brands should I consider?     Acer? Touch?      What else should I ask?  Video Card:      I would like to run Framemaker. So I need a fast video card. Is Western     Digital worth the $20 over Cirrus Logic?  Do I need more than 1M of      V-RAM?      One company wanted $50 more for a local bus video card. Is this normal?       Hard Drive:     Segate, Western Digital, Conner all have the same price. Which one is     more liable? which one has better performace?  Case/power supply:     Given the choise of desktop and minitower, which one is better?     What is the adequate power supply?     Is cooling a general problem or a non-issue?     What features should I ask for?      Did I miss anything?  I am sure that there are a lot of semi-PC-literates reading this group.  Your help is greatly appreciated.
In article <edm.735510069@wrs.com>, edm@wrs.com (Ed McClanahan) writes... {Jim_Johnson@abcd.houghton.mi.us (Jim Johnson) writes: K{  {<speaking of CPU fans> {  {>                      Many use clips - make sure you use heat sink {>grease, or heat transfering tape, or you will have wasted your money. {  {Do these CPU Fans also have heat sinks?  Do you recommend using both {on the same chip (i.e. heat sink sandwiched between CPU and Fan)? {  {If we are just talking about a CPU Fan blowing directly on the CPU chip, {I can't see how "heat sink grease" is necessary (or even desireable). {--  {  {=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= {  {  Edward McClanahan                    edm@wrs.com I have a PC Power and cooling fan and it is a heat sink with a built in fan  that glues on top of the CPU.  Even if the fan quits you still have the heat  sink fins to aid cooling.  The glue, of course, is the type that has high  thermal conductivity.
Greetings,          Please forgive me if this is FAQ. If there is source on this kind of info,  please let me know. I just got a 286 station (around 21*16.5*7 in dimension), and I am thinking about upgrade it to a 486 or 386.          The station has a power supply, two floppy disk drives, and the big case. I have SONY 1304 monitor, SyQuest drive (Mac), and maybe a cd-rom reader (Mac) for it. Here are the questions I have so far: 1) Is there a 486 motherboard at this dimension that I could use the case? 2) The original owener has the controller for floppy drive and hard disk removed. Can I use them to control these devices under 486? How much do I have to pay for a new controllers if the old ones won't work? 3) How can I make SyQuest (SCSI) and cd-rom (SCSI) work on this station?  I heard that there is a cheap sound board that has SCSI controller built-in? What's quality of this board? How much usually does a SCSI control cost? Is there any ftp sites that has SyQuest driver or cd-rom driver for the PC if I can have everything hooked up OK?4) What I want is a 486 motherboard, a sound board to make it a MPC-  quality station. How much would it cost to do that? Is it worth the hussle than just buy a new 486 station? BTW, I need to buy a keyboard for it too.  Any input is welcome.  Thank you.
In article <93042013138@jester.GUN.de> michael@jester.GUN.de (Michael Gerhards) writes: >Universal Arithmetic Receiver Transmitter. Normally, the older boards have >a 8250 or 16450 UART on board. Those chips generate an IRQ for every char >they received. The 16550 UART has an internal 16 byte buffer, so - with the >right software installed - it generates an IRQ every 16 chars.     close. Universal Asynchronous Receiver Transmitter.  >> 3) Is it necessary for 14.4k or higher throughput? > >If you ran dos, you don't need a 16550, because dos runs only ONE task at a >time and the whole cpu-power could be used for the transfer.      Even if you are running DOS, if your CPU can't handle the speed of the interrupts, you will still lose characters.  I have one 286/10 machine with an external 9600 bps modem attached and can't drive the serial port any faster  than 19.2k without losing characters.  > >Michael >-- >*  michael@jester.gun.de  *   Michael Gerhards   *   Preussenstrasse 59  * >                          *  Germany 4040 Neuss  *  Voice: 49 2131 82238 *                                              Rob
B(>i am interested in getting the pulse of this group regarding B(>extended operation of my G2K 486-33V with the cover removed B(>from the enclosure.  there are a # of reasons i am considering B(>this, including quick access to jumpers during complex i/o card B(>setups.  B(>my concern is that without a complete enclosure to direct the B(>cooling flow of air from the fan, "hot spots" may develop on my B(>motherboard or elsewhere.  If you have an adequate supply of air moving over the system (most offices or homes have positive ventilation) you can generally run a system without the cover for extended periods without a problem. (I'm talking about completely removing the cover - not just leaving the slots uncovered.) HOWEVER, the biggest reason you have a cover to begin with is RF sheilding. Operating a system without the full cover may create problems with other equipment such as your neighbor's TV or Ham radio station - very much a no-no in the eyes of the law.    * SLMR 2.1a * Remember - They're only tools, not a way of life!