Re: Adaptec 1522A SCSI Support (was re: New TestFDC Results Registry)

On 01/18/2018 06:18 PM, Fred Cisin via cctalk wrote: > A few SCSI floppy drives existed, but they were never very common. > Only SCSI floppy that I remember having was a "Floptical" (20MB), that > also handled 1.4M Most "real" SCSI drives were basically bolt-on adapter affairs to a traditional

Re: Adaptec 1522A SCSI Support (was re: New TestFDC Results Registry)

For that card, no drivers are needed for the hard drives. The on-board ROM is an Int13 wedge. Regarding using any other devices like a ZIP drive, CD or a floptical, not sure if those need drivers. ZIP definitely needed a DOS

Re: Adaptec 1522A SCSI Support (was re: New TestFDC Results Registry)

On Thu, Jan 18, 2018 at 8:18 PM, Fred Cisin via cctalk wrote: > Or, are you suggesting putting together an imaging machine that also handles > HDD, CD-ROM, some tape cartridges, etc.? Correct. Two key components in short supply when you have 11 classiccmp projects are

Re: Adaptec 1522A SCSI Support (was re: New TestFDC Results Registry)

On Thu, Jan 18, 2018 at 7:55 PM, Richard Cini wrote: > I use this card as a floppy/disk controller in a PC/AT that's used solely for > imaging. The controller is connected to two Seagate ST-2502N (442MB) hard > drives running MS-DOS 6.22. Works like a champ. Cables are

Re: Adaptec 1522A SCSI Support (was re: New TestFDC Results Registry)

On Thu, 18 Jan 2018, Jason T via cctalk wrote: Has anyone using one of these cards made use of the SCSI function? It has a Centronics 50 connector, which isn't terribly useful unless you've got the right cable, but if you're building an all-in-one imaging machine, it might be handy to have SCSI

Re: Adaptec 1522A SCSI Support (was re: New TestFDC Results Registry)

On Jan 18, 2018 6:44 PM, "Jason T via cctalk" wrote: On Thu, Jan 18, 2018 at 6:58 PM, Adrian Graham via cctalk wrote: > I could, but I guess by the time I’ve sourced a replacement I might as well have bought an AHA-1522A instead, I have a couple of

Re: Adaptec 1522A SCSI Support (was re: New TestFDC Results Registry)

I use this card as a floppy/disk controller in a PC/AT that's used solely for imaging. The controller is connected to two Seagate ST-2502N (442MB) hard drives running MS-DOS 6.22. Works like a champ. Cables are readily available on eBay but since they're regular 50-pin IDC connectors, you can

Adaptec 1522A SCSI Support (was re: New TestFDC Results Registry)

On Thu, Jan 18, 2018 at 6:58 PM, Adrian Graham via cctalk wrote: > I could, but I guess by the time I’ve sourced a replacement I might as well > have bought an AHA-1522A instead, I have a couple of scouts out looking for > them as we speak :) The 1522A is a full pass for

Re: New TestFDC Results Registry

>> manipulate SSSD images then tonight I read a message on VCFED from >> our own Chuck Guzis saying there were two controller chips in the >> 1542CF (national and broken Intel) and I discovered I had a broken >> Intel one. >> >> I may have cussed. > > Perhaps all is not lost. I'd have to go and

Re: New TestFDC Results Registry

On 01/18/2018 12:46 PM, Adrian Graham via cctalk wrote: > Gh, talk about the wrong timing for this XD. I say this because I > just bought an AHA-1524CF on various folk’s recommendations (not from > here) a couple of weeks ago only to find I still couldn’t really > manipulate SSSD images then

Re: New TestFDC Results Registry

On 01/18/2018 01:57 PM, william degnan wrote: > Please, call me Bill :-) > I have a system with a Catweasel and a connection to the motherboard,  I > am unsure how I have it set up as it has been many years since I opened > the box.    I have to see what I am doing in there.  It's a dual-boot >

Re: Reviving ARPAnet

> On Jan 18, 2018, at 9:39, Grant Taylor via cctalk > wrote: > > On 01/17/2018 11:33 AM, Noel Chiappa via cctalk wrote: >> E.g. it probably only supports class A addresses, for instance, which is >> going to influence the code for picking the first-hop router. > > I was

Re: Reviving ARPAnet

> On Jan 18, 2018, at 9:27, Grant Taylor via cctalk > wrote: > > On 01/17/2018 01:12 PM, Frank McConnell via cctalk wrote: >> So here's a real example: I have an HP 3000 Micro GX with MPE G.A3.09 >> (V-delta-9) which is very 1990. And it has a LANIC, and V-delta-9 is

Re: New TestFDC Results Registry

Please, call me Bill :-) I have a system with a Catweasel and a connection to the motherboard, I am unsure how I have it set up as it has been many years since I opened the box.I have to see what I am doing in there. It's a dual-boot system that goes into either Win 2000 or DOS 6.22, but I

Re: New TestFDC Results Registry

Will, I wasn't aware the CW MK4+ had a legacy floppy controller on it (i.e. ports 3fx, DMA 2, IRQ 6 setup with NEC 765 command set). The CWs that I have (a MK3 and a MK1) are all sui generis devices not supported by off-the-shelf software. In particularly, I don't think they'll work with, say,

Re: New TestFDC Results Registry

Does someone have results for the Siliconsonic / Individual computers Catweasel MK4 plus? IF not I will put that on my list of to-do's. I added a link to this onto my web site in the links section and the archiving info thread. Bill On Thu, Jan 18, 2018 at 3:46 PM, Adrian Graham via cctalk <

Re: IP address classes vs CIDR (was Re: Reviving ARPAnet)

On 01/18/2018 12:53 PM, Eric Smith via cctalk wrote: Proxy ARP is (or was, at the time) something that had to be configured for individual IP addresses or ranges. What I did was have it reply to an ARP for any IP address outside the subnet(s) configured on that interface. Intriguing. I guess

Re: New TestFDC Results Registry

> On 18 Jan 2018, at 15:46, systems_glitch via cctalk > wrote: > > I'd been trying to reach Dave Dunfield with new TestFDC results since > apparently August with no results. So, I wrote a new TestFDC registry into > my site: > >

Re: IP address classes vs CIDR (was Re: Reviving ARPAnet)

On Thu, Jan 18, 2018 at 11:35 AM, Grant Taylor via cctalk < cctalk@classiccmp.org> wrote: > On 01/18/2018 11:00 AM, Eric Smith wrote: > >> Years ago I added a configurable "bozo-arp" feature to the Telebit >> NetBlazer router, which would respond to ARP requests for non-local >> addresses and

Re: New TestFDC Results Registry

On Thu, Jan 18, 2018 at 9:46 AM, systems_glitch via cctalk wrote: > I'd been trying to reach Dave Dunfield with new TestFDC results since > apparently August with no results. So, I wrote a new TestFDC registry into > my site: > >

Re: IP address classes vs CIDR (was Re: Reviving ARPAnet)

On 01/18/2018 12:23 PM, Dennis Boone via cctalk wrote: You all talk about Proxy ARP in the past tense for some reason. :) Please don't interpret the fact that I am inadvertently talking about Proxy ARP in the past tense to mean anything. I personally started solving the problem that Proxy

Re: Reviving ARPAnet

Noel wrote: > but I dunno how one would hook _that_ simulation up to a simulated host > running a simulated ARPANET interface. It would seem silly to simulate a bit by bit interface, so just come up with an encapsulation of 1822 messages in TCP? Two-octet count(*), plus 1822 leaders . (*)

Re: Reviving ARPAnet

On Thu, Jan 18, 2018 at 10:27 AM, Noel Chiappa via cctalk < cctalk@classiccmp.org> wrote: > > From: Grant Taylor > > > The ARPANET supported several different kinds of interfaces between the > IMPs > (the switching nodes in the ARPANET) and hosts, but the 'usual' one was > either 'Local Host'

Re: IP address classes vs CIDR (was Re: Reviving ARPAnet)

> > which would respond to ARP requests for non-local addresses and > > reply with the router's MAC address (on that interface), > > specifically in order to make classful-only hosts work on a > > CIDR network. > Yeah, Proxy ARP (an early RFC here: You all talk about Proxy

Re: IP address classes vs CIDR (was Re: Reviving ARPAnet)

> From: Eric Smith > which would respond to ARP requests for non-local addresses and reply > with the router's MAC address (on that interface), specifically in > order to make classful-only hosts work on a CIDR network. Yeah, Proxy ARP (an early RFC here:

Re: Reviving ARPAnet

Grant Taylor wrote: > Do the necessary emulators support the ARPANET interface? Ken Harrenstien's PDP-10 emulator does. ITS uses the IMP interface for TCP/IP to this day.

Re: Reviving ARPAnet

On Thu, Jan 18, 2018 at 11:27 AM, Noel Chiappa via cctalk < cctalk@classiccmp.org> wrote: > > Easier, to get this old TCP/IP running, might be to write a Unix V6 driver > for > an Ethernet card (one the simulators do support - I know Ersatz-11 does the > Interlan NI1010A/2010A, which is nice and

Re: IP address classes vs CIDR (was Re: Reviving ARPAnet)

On 01/18/2018 11:00 AM, Eric Smith wrote: Years ago I added a configurable "bozo-arp" feature to the Telebit NetBlazer router, which would respond to ARP requests for non-local addresses and reply with the router's MAC address (on that interface), specifically in order to make classful-only

Re: Reviving ARPAnet

> From: Grant Taylor >> It is TCP/IPv4, so it's got compatible headers > Are you referring to the 802.3 Ethernet (vs Ethernet II) frame type No, I meant the IP and TCP headers. Those are end-end; the Ethernet stuff is just a local wrapping, and can be substituted. > I was not

Re: Reviving ARPAnet

On 01/18/2018 10:53 AM, Peter Coghlan via cctalk wrote: I thought that what Novell refers to as "IEEE 802.3 raw" was an early day foulup on their part where they put IPX data directly into IEEE 802.3 frames with nothing to indicate what protocol was being transported. That's my understanding

Re: Reviving ARPAnet

Here's a link with a lot of gory details on NetWare's support of multiple Ethernet frame types. Link - Migrating Ethernet Frame Types from 802.3 Raw to IEEE 802.2 - https://support.novell.com/techcenter/articles/ana19930905.html Here are the four frame types that NetWare supports: -

Re: Reviving ARPAnet

> On Jan 18, 2018, at 12:27 PM, Grant Taylor via cctalk > wrote: > > On 01/17/2018 01:12 PM, Frank McConnell via cctalk wrote: > ... >> So you might think I'd be able to move files between it and a modern FreeBSD >> box, right? I mean, it's all just Ethernet, right? >

IP address classes vs CIDR (was Re: Reviving ARPAnet)

On Thu, Jan 18, 2018 at 10:39 AM, Grant Taylor via cctalk < cctalk@classiccmp.org> wrote: > I was not aware that there was code that supported /only/ Class A (/8) > addresses and /not/ Class B (/16) or Class C (/24) addresses. > > I /thought/ that everything was either classful (as in supports

Re: Reviving ARPAnet

On 01/17/2018 11:33 AM, Noel Chiappa via cctalk wrote: This just a guess, but 'sort of'? It is TCP/IPv4, so it's got compatible headers, but I don't know if other parts have changed enough to make it not work. Are you referring to the 802.3 Ethernet (vs Ethernet II) frame type that Frank

Re: Reviving ARPAnet

On 01/17/2018 01:12 PM, Frank McConnell via cctalk wrote: So here's a real example: I have an HP 3000 Micro GX with MPE G.A3.09 (V-delta-9) which is very 1990. And it has a LANIC, and V-delta-9 is late enough for it to be able to do IP over Ethernet (vs. V-delta-4 and before which could only

Re: help id a chip

On 01/18/2018 04:37 AM, william degnan via cctalk wrote: P1010110 is an IBM SLT card out of a 360 or 1800 computer. P1010112 is same thing from different angle. Jon

New TestFDC Results Registry

I'd been trying to reach Dave Dunfield with new TestFDC results since apparently August with no results. So, I wrote a new TestFDC registry into my site: https://services.theglitchworks.net/ng/testfdc_results This registry currently includes Dave's last registry update from 2007. There's now a

Re: DL10 documentation

Noel Chiappa wrote: > Well The "decsystem10 System Reference Manual (DEC-10-XSRMA-A-D) - > available online: > > > http://bitsavers.org/www.computer.museum.uq.edu.au/pdf/DEC-10-XSRMA-A-D%20DECsystem10%20System%20Reference%20Manual.pdf > > has a definition for the -10 side of the interface

Re: help id a chip

On Jan 18, 2018 4:13 AM, "Christian Corti via cctalk" wrote: > > On Wed, 17 Jan 2018, william degnan wrote: >> >> Not sure, I have a bunch of items that need to be investigated including >> that one. >> http://vintagecomputer.net/pictures/2017/Objects/ >> b > > > Well, two

Convergent AWS machines (formerly Sold on eBay: Convergent Technologies S/50 a.k.a. Unix PC, AT 3B1 Unix Workstation)

Alan, my apologies for the confusion here. The email subject still said S/50, but I believe we had switched topics mid-thread. On Mon, Jan 15, 2018 at 6:16 AM, dwight wrote: > Years ago, we used one of the Convergent machines. I recall playing rats > on it. It had a green

Re: help id a chip

On Wed, 17 Jan 2018, william degnan wrote: Not sure, I have a bunch of items that need to be investigated including that one. http://vintagecomputer.net/pictures/2017/Objects/ b Well, two objects are obvious ;-) P1010070.JPG is the program drum for an IBM 29 card punch (and similar models)