Re: CDC modules

why not post a few pics? On Tue, Feb 19, 2019 at 11:50 AM Peter Van Peborgh via cctech < cct...@classiccmp.org> wrote: > Guys, > > I am wanting to determine which CDC (or possibly other) computer some of my > modules came from. If you were a CDC employee around the time of CDC 6xxx > computers,

Re: Free: 2x DEC Alpha workstations - 164LX and XP1000

Hello, Thanks for the replies - I have takers for the XP1000 and 164LX. If it falls through, I'll reach out directly. Arun On Tue, Feb 19, 2019 at 3:47 PM Kevin Monceaux via cctalk < cctalk@classiccmp.org> wrote: > Arun, > > On Mon, Feb 18, 2019 at 11:26:41AM -0600, K. Arun via cctalk wrote: >

Re: RS/6000 7043-140 boot floppies

On 2/18/19 11:49 AM, Alan Perry via cctech wrote: The system does boot the AIX install on one of its hard disks, but this is a recycled system and I don't have usernames/passwords for that install. Does anyone here have a suggestion on how to proceed? If you've got another Unix-a-like (e.g.

Re: IBM 3174 C 6.4 Microcode Disks?

OK, so this thread pushed my to pursue playing with DT/6000.  If anyone has documentation on how exactly everything fits together, please let me know...if someone miraculously has a copy of DT/6000 in their archive, I could use a copy. Feel free to ping me off list to keep the noise here down.

Re: RS/6000 7043-140 boot floppies

On 2/19/19 1:31 PM, Jules Richardson via cctech wrote: On 2/18/19 11:49 AM, Alan Perry via cctech wrote: The system does boot the AIX install on one of its hard disks, but this is a recycled system and I don't have usernames/passwords for that install. Does anyone here have a suggestion

CDC modules

Guys, I am wanting to determine which CDC (or possibly other) computer some of my modules came from. If you were a CDC employee around the time of CDC 6xxx computers, let me know where I could send my photos for identification of these items. Many thanks, peter || | | || | |

Re: RS/6000 7043-140 boot floppies

Alan Perry via cctech wrote: The system does boot the AIX install on one of its hard disks, but this is a recycled system and I don't have usernames/passwords for that install. Does anyone here have a suggestion on how to proceed? alan Last year I started working on a 7012-320H that I've had

Re: RS/6000 7043-140 boot floppies

Thanks. It has been reported that Solaris 2.5.1 does work with the 604e, which the 7043-140 has, so I will be looking for another box to run 2.5.1 PPC on. I worked for Sun on Solaris back when the PPC port was done (and work for Oracle now on Solaris). I asked among Solaris folks (current and

Re: PDP-11 disk image question

On Sat, Feb 16, 2019 at 1:20 PM Bill Gunshannon via cctalk wrote: > > I have a CQD=220A/MT configured for 6 disks and one tape. > As for disk types, you can toggle RA ON or OFF on each drive. > You can specify one RA type that will be in effect for any > disk with RA ON. Types are: RA70, RA80,

Re: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

With all deference to the real collectors, I don't see the objective here. The thing should be NEC 765 compatible? Why? What about non-NEC-based sytems (e.g. the bulk of CP/M and countless other systems that don't use an LSI controller)? Or those systems that permanently already have a

Re: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

I would like to see software for . . . THEN, I would like to see that software as . . . THEN, I would like to see that . . . On Tue, 19 Feb 2019, alan--- via cctalk wrote: What's stopping you from writing it? It's in the queue! Which is longer than my expected remaining lifespan. There are

Re: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

On 2019-02-19 19:42, Fred Cisin via cctalk wrote: On Tue, 19 Feb 2019, Ali wrote: Are we being a little sarcastic or serious? :) A lot of BOTH I would like to see software for flux transition hardware that would extract sectors. THEN, I would like to see that software as a subroutine, with

Re: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

Doesn't SuperCard Pro already do this? The hardware isn't open source, but the USB control protocol to read and write flux transitions on an entire track is open and well documented. And there are already several tools to exercise the protocol. Sure, one could replicate the hardware work

Re: PDP-11 disk image question

On Tue, Feb 19, 2019 at 10:14 AM Paul Koning wrote: > > > > On Feb 19, 2019, at 11:51 AM, Charles Anthony < > charles.unix@gmail.com> wrote: > > > > ... > > Presumably SIMH is returning RA81_LBN (891072) as the device size; this > is calculated based on the 51 sectors/track. If the h/w is

Re: OT: Phone museum seeks new owner

On Tue, 19 Feb 2019, Bill Degnan via cctalk wrote: I think it's useful to have one or two for exhibits of old modems and period systems that would have used a phone coupler. For that reason, a nice 1965 model would be good to have Well, you do need a classic handset for any acoustic coupler.

RE: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

On Tue, 19 Feb 2019, Ali wrote: That would make for a very powerful tool but as you pointed out yourself how many users would learn to use it? Unless it is a simple driver that gets loaded and the user has to simply put in a couple of generic parameters, e.g. "device=c:\drives\emudsk.sys

Re: tracometer model 6a

On 02/19/2019 02:23 AM, Adrian Stoness via cctalk wrote: anyone ever herd of one? mines searial number 002 says national research councle of canada made by eda electronics https://imagizer.imageshack.com/img923/5723/Bnz2VF.jpg https://imagizer.imageshack.com/img924/6783/nHesKB.jpg

A History of Engineering & Science in the Bell System TRANSMISSION TECHNOLOGY and ELECTRONICS TECHNOLOGY

A History of Engineering & Science in the Bell System TRANSMISSION TECHNOLOGY and ELECTRONICS TECHNOLOGY A History of Engineering & Science in the Bell System TRANSMISSION TECHNOLOGY and A History of Engineering & Science in the Bell System ELECTRONICS TECHNOLOGY  ( the  transistor  and

Re: OT: Phone museum seeks new owner

I think it's useful to have one or two for exhibits of old modems and period systems that would have used a phone coupler. For that reason, a nice 1965 model would be good to have On Tue, Feb 19, 2019 at 8:46 PM ED SHARPE via cctalk wrote: > go to garage sales ' > thy turn up there. > In

RE: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

Fred,> Are we being a little sarcastic or serious? >:)>>A lot of BOTHJust making sure. ;)>I would like to see software for flux >transition hardware that would >extract sectors.>THEN, I would like to see that software as >a >subroutine, with an interface similar to >INT13h.>THEN, I would like

Re: OT: Phone museum seeks new owner

go  to  garage  sales   ' thy  turn up there. In a message dated 2/19/2019 1:57:35 PM US Mountain Standard Time, cctalk@classiccmp.org writes: On Tue, Feb 19, 2019 at 09:58:00AM -0600, John Foust via cctalk wrote: > Old tech, but not computers: I have a fondness for old rotary dial phones,

Re: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

On Tue, 19 Feb 2019, Paul Koning wrote: I' reminded of the Bordynuik tape reading machine that uses an MR head. Capturing analog flux levels at, say, 10x the nominal flux change density means all the rest is simply digital signal processing. That can be done in real time if you must, but much

Re: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

> On Feb 19, 2019, at 8:00 PM, Fred Cisin via cctalk > wrote: > > On Tue, 19 Feb 2019, Fred Cisin via cctalk wrote: >> As I see it, flux transition hardware COULD be all that is needed for >> hardware. Emulation of FDC could be done in software with flux transition >> hardware. > > That

Re: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

On Tue, 19 Feb 2019, Fred Cisin via cctalk wrote: As I see it, flux transition hardware COULD be all that is needed for hardware. Emulation of FDC could be done in software with flux transition hardware. That should read flux transition plus appropriate control signals for the drive.

Re: OT: Phone museum seeks new owner

> From: Grant Taylor > I do know that there are a lot of companies here in the US that are > filtering their website like this. It does go both ways; a while back, a vintage rail site I read regularly ('Weekend Rails') moved to a new hosting service, and that service filtered out and

Re: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

A design that can manage Ohio Scientific as well would be nice. On Tue, 19 Feb 2019, Chuck Guzis via cctalk wrote: Might as well add Victor 9000... It was in my original list :-)

RE: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

On Tue, 19 Feb 2019, Ali wrote: Are we being a little sarcastic or serious? :) A lot of BOTH I would like to see software for flux transition hardware that would extract sectors. THEN, I would like to see that software as a subroutine, with an interface similar to INT13h. THEN, I would like

Re: OT: Phone museum seeks new owner

> On Feb 19, 2019, at 7:31 PM, Guy Dunphy via cctalk > wrote: > > At 01:11 PM 19/02/2019 -0800, you wrote: Old tech, but not computers: https://madison.com/business/galesville-antique-phone-dealers-looking-to-offload-vast-collection/article_b1845009-c861-50ff-82c8-60a15866fc6d.html

Re: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

On 2/19/19 3:40 PM, William Sudbrink via cctalk wrote: > A design that can manage Ohio Scientific as well would be nice. Might as well add Victor 9000... --Chuck

Re: OT: Phone museum seeks new owner

At 01:11 PM 19/02/2019 -0800, you wrote: >>> Old tech, but not computers: >>> https://madison.com/business/galesville-antique-phone-dealers-looking-to-offload-vast-collection/article_b1845009-c861-50ff-82c8-60a15866fc6d.html > >On Tue, 19 Feb 2019, Peter Coghlan via cctalk wrote: >> 451:

Re: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

On Tue, 19 Feb 2019, dwight wrote: Actually, I'd like to see it just read/write flux changes + index marks onto a SD card for later analysis. Building all the smarts into the controller means that some formats will get missed. One can later write translation code for what ever format one has.

Re: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

On 2/19/19 2:31 PM, dwight via cctalk wrote: > Actually, I'd like to see it just read/write flux changes + index marks onto > a SD card for later analysis. You want to do the analysis at the time of capture, in case you need to re-read the media, or wiggle the head to try to push off a bit

Re: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

Ability to read MFM data with FM headers (RX50) On Tue, 19 Feb 2019, Chuck Guzis via cctalk wrote: It's not that simple. There's the matter of "DEC MFM" which encodes a few bit patterns differently to avoid collision with FM headers. Which is presumably a matter of appropriate code for

RE: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

> Actually, I'd like to see it just read/write flux changes + index > marks onto a SD card for later analysis ... > We no longer need proprietary hardware. Well some of us might not and then there is the rest of us who just need a tool that kind of works. I guess the question is "who is your

RE: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

A design that can manage Ohio Scientific as well would be nice. --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus

Re: OT: Phone museum seeks new owner

On 02/19/2019 01:17 PM, geneb via cctalk wrote: I'd be very interested in how that would be possible. I don't know. But I do know that there are a lot of companies here in the US that are filtering their website like this. -- Grant. . . . unix || die

RE: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

Fred, Are we being a little sarcastic or serious? :)Honestly, a sw implementation would be interesting but would it work on vintage hw? Or are you suggesting for use only with a modern system? For example here is my dilemma: my stinkers, whom you have met, are getting old enough to want to

Re: Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

On 2/19/19 2:02 PM, Fred Cisin via cctalk wrote: > Ability to read MFM data with FM headers (RX50) It's not that simple. There's the matter of "DEC MFM" which encodes a few bit patterns differently to avoid collision with FM headers. --Chuck

Ultimate FDC? (Was: IBM 6360 - Filesystem(ish) info?

I'm planning on a USB controller, but I've seen ISA projects that are also microcontroller based so I think it wouldn't be awfully difficult to replace the USB data pipe with an ISA one. On Tue, 19 Feb 2019, Ali via cctalk wrote: Well just because you don't have enough to do please plan on an

Re: Free: 2x DEC Alpha workstations - 164LX and XP1000

Arun, On Mon, Feb 18, 2019 at 11:26:41AM -0600, K. Arun via cctalk wrote: > I have a couple of Alpha workstations that were last used 5-6 years ago > with some version of Tru64 on them. They haven't been turned on since, and > may need some work to get running again. They're free to anyone who

Re: PDP-11 disk image question

On Tue, Feb 19, 2019 at 11:22 AM Bill Gunshannon via cctalk wrote: > > > I have mostly used CMD CQD-220/TM controllers. As far as I remember > > they do not have an RA drive emulation option. > > I have a 220A/TM and it certainly does. Pages 4-10 thru 4-15 > of the manual, particularly

Re: OT: Phone museum seeks new owner

On Tue, 19 Feb 2019, Fred Cisin via cctalk wrote: Old tech, but not computers: https://madison.com/business/galesville-antique-phone-dealers-looking-to-offload-vast-collection/article_b1845009-c861-50ff-82c8-60a15866fc6d.html On Tue, 19 Feb 2019, Peter Coghlan via cctalk wrote: 451:

Re: OT: Phone museum seeks new owner

Old tech, but not computers: https://madison.com/business/galesville-antique-phone-dealers-looking-to-offload-vast-collection/article_b1845009-c861-50ff-82c8-60a15866fc6d.html On Tue, 19 Feb 2019, Peter Coghlan via cctalk wrote: 451: Unavailable due to legal reasons We recognize you are

HDDs (Was: PDP-11/45 RSTS/E boot problem

One of the moxt common causes of a terrible ear-piercing high whine is the spindle contact. Many old drives had a springy piece that rubbed against the end of the spindle. Over time, it would wear a divot, polish that, and start to squeal. A very light pressure on it would test that

Re: OT: Phone museum seeks new owner

On Tue, Feb 19, 2019 at 09:58:00AM -0600, John Foust via cctalk wrote: > Old tech, but not computers: I have a fondness for old rotary dial phones, especially ones like they used in movies and TV shows set in the '40s and '50s. I've never managed to acquire one. I'd love to have a few of

Re: Free: 2x DEC Alpha workstations - 164LX and XP1000

Hi Arun If the DEC Alpha workstations are still available I may be able to take them, thanks. I live in Amarillo but have a brother in law who lives in San Marcos and works in Austin - I'm sure that he's be willing to pick them up for me and hold them until I'm next down that way. Let me know,

Re: IBM 6360 - Filesystem(ish) info?

On 2/19/19 12:05 PM, Anders Nelson via cctalk wrote: > Ah, cool thanks! > > I'm interested in storing arbitrary files in the manner close to the > original as possible. Sounds like the extent list and allocation map would > be useful for this; not so much the document content format. > -- >

Re: OT: Phone museum seeks new owner

On Tue, 19 Feb 2019, Grant Taylor via cctalk wrote: On 02/19/2019 10:18 AM, geneb via cctalk wrote: So basically, they're blocking EU users from a website due to a law that has no effect in the US?  Amazing. I thought I had heard from a number of people that GDPR could still bite people in

Re: OT: Phone museum seeks new owner

On Tue, Feb 19, 2019 at 09:58:00AM -0600, John Foust via cctalk wrote: > Old tech, but not computers: > > https://madison.com/business/galesville-antique-phone-dealers-looking-to-offload-vast-collection/article_b1845009-c861-50ff-82c8-60a15866fc6d.html Interesting, but what does it have to do

Re: IBM 6360 - Filesystem(ish) info?

Ah, cool thanks! I'm interested in storing arbitrary files in the manner close to the original as possible. Sounds like the extent list and allocation map would be useful for this; not so much the document content format. -- Anders Nelson +1 (517) 775-6129 www.erogear.com On Tue, Feb 19, 2019

Re: OT: Phone museum seeks new owner

On 02/19/2019 10:18 AM, geneb via cctalk wrote: So basically, they're blocking EU users from a website due to a law that has no effect in the US?  Amazing. I thought I had heard from a number of people that GDPR could still bite people in other countries. I don't remember the how, just that

Re: PDP-11 disk image question

On 2/19/19 12:37 PM, Glen Slick via cctalk wrote: > On Tue, Feb 19, 2019 at 5:39 AM Bill Gunshannon via cctalk > wrote: >> >> All sounds like fun, but if the two emulations don't do RA81 >> correctly the information doesn't really do me much good. I >> certainly can't change the CQD's idea of

Re: IBM 6360 - Filesystem(ish) info?

Hi again, Is there a description of the DW filesystem somewhere I can look at? On Tue, Feb 19, 2019, 2:11 PM Anders Nelson Ali - you bet I will! =P > > Chuck - thanks for the notes. I have no idea what it actually came from > but I imagine it did come with a Display writer system. No problem

Re: IBM 6360 - Filesystem(ish) info?

Ali - you bet I will! =P Chuck - thanks for the notes. I have no idea what it actually came from but I imagine it did come with a Display writer system. No problem with the format in which the data is stored, I can always present a more reasonable storage interface to the user via FTP or

Re: IBM 6360 - Filesystem(ish) info?

On 2/19/19 8:48 AM, Anders Nelson via cctalk wrote: > Hi friends, > > Now that I have my glorious disk toaster (2D model I think, says "2D" on > the drive levers), I want to build a controller for it. I found pinouts and > some description of the media organization here: > >

RE: IBM 6360 - Filesystem(ish) info?

> I'm planning on a USB controller, but I've seen ISA projects that are > also > microcontroller based so I think it wouldn't be awfully difficult to > replace the USB data pipe with an ISA one. Well just because you don't have enough to do please plan on an ISA version as well ;) I think it

Re: IBM 6360 - Filesystem(ish) info?

Ok, are there command/response listings for these controllers, or one for this exact unit? On Tue, Feb 19, 2019, 1:29 PM Eric Smith From a rather cursory examination of the manual, it looks like they put > the controller in the diskette unit itself ("Diskette Signal Cable", figure > 8-22), so

Re: IBM 6360 - Filesystem(ish) info?

>From a rather cursory examination of the manual, it looks like they put the controller in the diskette unit itself ("Diskette Signal Cable", figure 8-22), so you should be able to hook it up to just about any microcontroller. It's probably a 765/8272 style controller.

Re: IBM 6360 - Filesystem(ish) info?

Hi Ali, I'm planning on a USB controller, but I've seen ISA projects that are also microcontroller based so I think it wouldn't be awfully difficult to replace the USB data pipe with an ISA one. Zooming out, I have a list of USB controllers to build: - Kennedy 9800 tape drive - IBM 6360 8"

Re: PDP-11 disk image question

> On Feb 19, 2019, at 11:51 AM, Charles Anthony > wrote: > > ... > Presumably SIMH is returning RA81_LBN (891072) as the device size; this is > calculated based on the 51 sectors/track. If the h/w is returning a size > based on 52, then there is a mismatch which could be the source of the

Re: PDP-11 disk image question

On Tue, Feb 19, 2019 at 5:39 AM Bill Gunshannon via cctalk wrote: > > All sounds like fun, but if the two emulations don't do RA81 > correctly the information doesn't really do me much good. I > certainly can't change the CQD's idea of what an RA81 is. > I have mostly used CMD CQD-220/TM

Re: OT: Phone museum seeks new owner

On Tue, Feb 19, 2019 at 11:03 AM Peter Coghlan via cctalk < cctalk@classiccmp.org> wrote: > > > > Old tech, but not computers: > > > > > https://madison.com/business/galesville-antique-phone-dealers-looking-to-offload-vast-collection/article_b1845009-c861-50ff-82c8-60a15866fc6d.html > > > > >

Re: OT: Phone museum seeks new owner

On Tue, 19 Feb 2019, Peter Coghlan via cctalk wrote: Old tech, but not computers: https://madison.com/business/galesville-antique-phone-dealers-looking-to-offload-vast-collection/article_b1845009-c861-50ff-82c8-60a15866fc6d.html 451: Unavailable due to legal reasons We recognize you are

Re: OT: Phone museum seeks new owner

this guy   is  amazing    In a message dated 2/19/2019 10:03:23 AM US Mountain Standard Time, cctalk@classiccmp.org writes: > Old tech, but not computers: > >

Re: PDP-11 disk image question

On Tue, Feb 19, 2019 at 6:27 AM Paul Koning wrote: > > > > On Feb 18, 2019, at 11:22 PM, Charles Anthony via cctalk < > cctalk@classiccmp.org> wrote: > > > >> ... > > Looking at the SIMH code: > > > > /* > >type sec surfcyl tpg gpc RCT LBNs > >RA81 51(+1) 14

IBM 6360 - Filesystem(ish) info?

Hi friends, Now that I have my glorious disk toaster (2D model I think, says "2D" on the drive levers), I want to build a controller for it. I found pinouts and some description of the media organization here:

Re: Kemners Surplus - Real time walkthrough

Gone, I'm sorry to report! -- Anders Nelson +1 (517) 775-6129 www.erogear.com On Tue, Feb 19, 2019 at 10:05 AM Derek Newland wrote: > There are many pictures on their Facebook page > . Of particular > interest, is this one of an IBM

OT: Phone museum seeks new owner

Old tech, but not computers: https://madison.com/business/galesville-antique-phone-dealers-looking-to-offload-vast-collection/article_b1845009-c861-50ff-82c8-60a15866fc6d.html - John

Re: Kemners Surplus - Real time walkthrough

There are many pictures on their Facebook page . Of particular interest, is this one of an IBM System/34 chassis: https://www.facebook.com/KemnerEnterprises/photos/a.1770653292985604/1768376576546609/ On Sat, Feb 16, 2019 at 1:52 PM Anders

Re: PDP-11 disk image question

On Tue, Feb 19, 2019, 7:24 AM Paul Koning > > > On Feb 18, 2019, at 10:29 PM, Warner Losh via cctalk < > cctalk@classiccmp.org> wrote: > > > > On Mon, Feb 18, 2019 at 6:18 PM Bill Gunshannon via cctalk < > > cctalk@classiccmp.org> wrote: > > > >> ... > >> No, RX50 was a strange DEC format. RX33

Re: PDP-11 disk image question

> On Feb 18, 2019, at 11:22 PM, Charles Anthony via cctalk > wrote: > >> ... > Looking at the SIMH code: > > /* >type sec surfcyl tpg gpc RCT LBNs >RA81 51(+1) 14 125814 1 2856891072 > */ > > #define RA81_SECT 51

Re: PDP-11 disk image question

> On Feb 18, 2019, at 10:29 PM, Warner Losh via cctalk > wrote: > > On Mon, Feb 18, 2019 at 6:18 PM Bill Gunshannon via cctalk < > cctalk@classiccmp.org> wrote: > >> ... >> No, RX50 was a strange DEC format. RX33 is a 1.2M floppy. > > The RX50 was a single sided 800 block floppy. The

Re: PDP-11 disk image question

On 2/18/19 10:59 PM, Glen Slick via cctalk wrote: > On Mon, Feb 18, 2019 at 5:18 PM Bill Gunshannon via cctalk > wrote: >> >> Well, all I really have are CQD module which does MSCP and TMSCP >> over SCSI. > > Do you have any SCSI tape drives? Sure. I have a SCSI 9-track and a 1.4" QIC

Re: RS/6000 7043-140 boot floppies

On Mon, Feb 18, 2019 at 6:49 PM Alan Perry via cctech wrote: > > Is there some trick to making boot floppies for the RS/6000 7043-140 (a > mid-90s PReP architecture machine)? > > I initially tried to install Solaris 2.5.1 on it and created the boot > #wrong43p Solaris 2.5.1 PPC doesn't work on

Re: PDP-11/45 RSTS/E boot problem

On Mon, 18 Feb 2019 at 22:16, Fred Cisin via cctalk wrote: > > One of the moxt common causes of a terrible ear-piercing high whine is the > spindle contact. Many old drives had a springy piece that rubbed against > the end of the spindle. Over time, it would wear a divot, polish that, > and

tracometer model 6a

anyone ever herd of one? mines searial number 002 says national research councle of canada made by eda electronics https://imagizer.imageshack.com/img923/5723/Bnz2VF.jpg https://imagizer.imageshack.com/img924/6783/nHesKB.jpg https://imagizer.imageshack.com/img922/5776/wimiv2.jpg