test-drb December 2010

test-drb@ccmp.vtda.org

154 participants
208 discussions

by mbbrutman-cctalk＠brutman.com

Greetings ... I am still working on my TCP/IP for DOS. It has been over five years now. :-) For the past few days I've been testing an FTP server. The server is running on a PCjr with DOS 3.3, a SCSI Zip 100 for mass storage, and a Western Digital WD8003 Ethernet card. (The Zip is attached using a parallel-to-SCSI adapter and the WD8003 is on an ISA bus adapter.) The FTP server supports most of the standard commands. If you use anonymous FTP you will be limited to a 'sandbox' on the Zip drive that is 30MB in size. You can leave files in the '/incoming' directory - everything else is read only Six people can be connected at a time, but the machine can only transfer data at about 25KB/second so if multiple people start data transfers it will get painful really fast. That's just a limitation of the machine - a faster machine would do a much better job. (A TCP/IP socket with this machine can transfer at data rates up to 100KB/sec. The Zip drive can so sequential reads at around 50KB/sec. So I figure that 25KB/sec isn't that unreasonable.) If you'd like to try out some of your favorite FTP clients I'd appreciate the extra testing. You can get to it at 96.42.228.74 on port 2021. Browser users can use ftp://96.42.228.74:2021/ for a URL. If you are curious as to how the machine is performing or who is on the machine try the 'SITE STATS' or 'SITE WHO' commands. Chuck(G) has already broken it once by using DOS reserved names that I forgot to filter. That bug, and an obscure timing window related to passive data connections have been fixed. If I can keep it running for another day or two with reasonable traffic I'll consider it a success. Thanks! Mike

13 years, 12 months

TRS-80 Model II/12/16

by fjkraan＠xs4all.nl

>> Yeah... I've been steadily working towards getting a working TRS-80 >> Xenix machine. At the moment, I have enough parts (I believe) to make a >> working Model II, and a line on the 68000 board. Unfortunately, the >> difficult part to find is a hard disk. I have the Model II host adapter >> for the early TRS-80 Eight Meg drive (which is, of course, completely >> incompatible with anything else), but no drive. I can't even cobble it >> to a regular MFM drive, since the actual disk controller is in the drive >> cabinet (I have only the host adapter). Unfortunately, you can't really >> run Xenix without a hard drive. > I wonder... > > The Model 1/3/4 hard disk system consisted of a WD1001 controller board, > a disk drive and a very simple host adapter (just an address decoder > really). I would not be suprised if the M2 one was similar in concept. > > Radio Shack were also very good about supplying technical/service manuals > (one reason I liked their machines, yes even back then I knew the value > of a schematic!), so I suspect some information on the M2 hard disk > system exists. > > I wonder how hard itwould be to make up a devie to plug into the host > adapter, appear to have the smae M2-accessible registers, but using some > mode modern storage device. Probsbly a lot easier than replacing an ST412 > hard disk, for example. I have the 8 meg disk system: http://www.xs4all.nl/~fjkraan/comp/trs80m2/8megDisk.html, but still haven't found time and space to properly test it. Replaced some blown capacitors, but that is all sofar. The authorative source for most things TRS-80 is Frank Durda's site: http://nemesis.lonestar.org/computers/tandy/hardware/storage/mfm.html. The original 8 Meg controller emulated the WD1000 chipset even before it was on the market. So it should look like something familiar :-). Fred Jan

13 years, 12 months

HP Portable+ disks

by ard＠p850ug1.demon.co.uk

Although the HP Portable+ Technical Reference doesn't contain anything on the physical disk formats, there's a table in the usner manual for the FORMAT comamnd (I've changed the headings a bit, but the data is the same) : Specifier #sides Secotr size Capacity Files in root dir /w 1 256 264192 128 /x 2 256 618496 304 /y 2 512 700416 176 /z 2 1024 780288 96 none 2 512 700416 176 The default seems to be the same as other HP MS-DOS double-sided disks. I wonder if Chuck (I think) got a disk formatted wit hthe /z option from a Portable+ and sassumed it was the defualt? -tony

13 years, 12 months

Apple/Corvus Whatsit

by dm561＠torfree.net

--------------Original Message: Date: Thu, 30 Dec 2010 22:12:34 -0600 From: Jason T <silent700 at gmail.com> Subject: Re: Apple/Corvus Whatsit On Thu, Dec 30, 2010 at 9:03 PM, Al Kossow <aek at bitsavers.org> wrote: > > shielded twisted pair Ahh, so. Here is a pic of the back of a Corvus Omnidrive. This is the same DIP/pins combo my little box has: http://www.1000bit.it/lista/c/corvus/omninet/Corvus06.JPG -- jht --------------Reply: Anybody want the controller board out of an Omnidrive? The case & PS are in use for one of my Cromemco external hard disk drives, but I do also still have the controller card; PS connector, LEDs and the DIP sw were removed, but otherwise it looks complete. mike

13 years, 12 months

Looking for a 26 PIN Female to a 25 PIN DB25 Ribbon Cable

by trebor77＠execpc.com

Message: 3 > Date: Thu, 30 Dec 2010 11:16:32 -0800 > From: "Chuck Guzis" <cclist at sydex.com> > Subject: Re: Looking for a 26 PIN Female to a 25 PIN DB25 Ribbon Cable >> I am Looking for a 26 PIN Female to a 25 PIN DB25 Ribbon Cable. I am >> going to try to test a HSIO 4 Port Serial Card Meant for a N* Horizon. >> I checked Jameco but they don't have any of the 26 Pin Female Ribbon >> Connectors thats fits over the Dual Row of PINs on the HSIO card TIA >> Bob in Wisconsin >> Jameco P/N 525413 >> (see catalog page >> http://www.jameco.com/Jameco/catalogs/c103/P79.pdf ) >> Is this what you need? >> --Chuck >> Sure looks like it will do the Trick Thanks to Chuck Bob

13 years, 12 months

S: SNA.PS/Mac (Classic) and/or AppleTalk PTF for OS/400

by poc＠pocnet.net

Hello, I recently saved an old AS/400 box from being dumped to learn a bit of the system and OS. Since I'm also a long standing Mac user, I'd like to experiment with sna.ps on old boxes of mine. I have a IIfx with a Apple Token Ring 4.16 board and also the AS/400 has Token Ring up and running. The ring itself works ok for TCP/IP and IPX with some devices attached. I'm searching for the original Apple sna.ps software in any version for getting the two worlds together. Anyone has it? Unfortunately, the code has been sold multiple times to different companies. Copyright is now held by MochaSoft. There has been no response to my inquiry there. So I think thy just don't care for old stuff. I'm also searching for the AppleTalk PTF for OS/400 V4R4M0 to enable the AS/400 speaking AppleTalk natively. Anyone can provide a SAVF of that? IBM doesn't support V4 in no way anymore. Thanks for any hints or help! :wq! PoC

13 years, 12 months

seeking LT-1 floppy

by dgriffi＠cs.csubak.edu

Is there someone out there with an LT-1 floppy disk or two they'd be willing to sell or trade? -- David Griffith dgriffi at cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

13 years, 12 months

Apple/Corvus Whatsit

by silent700＠gmail.com

On Dec 30, 2010 7:49 PM, "Al Kossow" <aek at bitsavers.org> wrote: > It is a Corvus Omninet interface for a Macintosh. I'd be interested in the > software, if it should turn up in the pile. Ahhh, it does have that early Mac look to it. What did Omninet use for media? There is no other connector beside the 9-pin. Is it the three little pins?

13 years, 12 months

OT: Scrapper question

by cclist＠sydex.com

Does anyone know if tantalum is recovered from electronic waste? No particular reason for asking, other than pure curiosity. Thanks, Chuck

13 years, 12 months

Apple/Corvus Whatsit

by silent700＠gmail.com

While sorting through my voluminous Apple // hoard today I uncovered this device: http://silent700.blogspot.com/2010/12/what-is-it.html Anyone have any idea what it is? There in only the ribbon cable with 9pin male connector on it and the cutout which has 8 DIP switches and a 3-pin connector. I am somewhat familiar with the Corvus hard drive and networking systems for the Apple // line but I have never seen this. I also uncovered a boxed (board, manual, sw inside) Apple Turnover kit. The floppy is (c) 1985 F. Cisin. Is that our own Fred Cisin on this list? I have at least a couple dozen (so far) mystery Apple // cards in this box....I *know* if I approach the search correctly, one will be a Swyft ;) -- jht

13 years, 12 months

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test-drb December 2010