Search found 2634 matches

by BeebMaster
Sat Dec 08, 2018 1:44 pm
Forum: hardware
Topic: BeebSCSI 7_7
Replies: 87
Views: 2396

Re: BeebSCSI 7_7

Yes, it didn't seem to matter where the data file is on the SD card, but rather what part of the data file was being accessed, with the problem being that the further away from "ADFS Sector 0", the slower the access time. It became particularly noticeable with the Level 3 Econet because the initalis...
by BeebMaster
Sat Dec 08, 2018 1:36 pm
Forum: general
Topic: Acorn's 40th birthday / CPU Ltd
Replies: 6
Views: 240

Re: Acorn's 40th birthday / CPU Ltd

it's quite possible they formed two different companies at the same time with the purpose being to keep different product lines separate. Certainly I always thought that Acorn was formed in 1978 and released their first product in 1979. Companies House don't keep online records of companies which we...
by BeebMaster
Wed Dec 05, 2018 11:14 pm
Forum: wanted
Topic: TEAC FD55* drives....
Replies: 2
Views: 175

Re: TEAC FD55* drives....

Possibly I may have one or more. I have half a dozen or so 40T SS floppy drives which don't seem to be of any use to anyone these days, but I only have a note of the supplier Watford, Cumana etc. and not the actual make of disc drive inside, so I would need to check them.
by BeebMaster
Wed Dec 05, 2018 11:05 pm
Forum: for sale / freebies
Topic: BeebMaster BBC B Econet Kit
Replies: 27
Views: 1637

Re: BeebMaster BBC B Econet Kit

Just for anybody searching for the elusive perfect Christmas present for wives/pets/children, there are still 10 of the BBC B Econet kits left.
by BeebMaster
Sun Dec 02, 2018 6:53 pm
Forum: hardware
Topic: Sharing a Disk Drive
Replies: 21
Views: 1524

Re: Sharing a Disk Drive

A year after my last post in this thread, I did take a picture of the insides of my Watford disc sharer. WatfordDiscSharer6.jpg I still haven't actually tried it. In fact, as you can see in the next picture, the earth didn't appear to be connected so I wasn't sure it was "safe". WatfordDiscSharer8.j...
by BeebMaster
Sat Dec 01, 2018 5:02 pm
Forum: software: other
Topic: FORMAT Issue on the Electron
Replies: 32
Views: 536

Re: FORMAT Issue on the Electron

Does ADT AFORM write the ZYsyshelp file?

It seems like it gets to the end and then is doing some sort of unrecognised OS call causing the Bad command error. Does it normally verify after formatting?

Does the Elk ADFS support OSWORD &73 to get the last disc error information?
by BeebMaster
Tue Nov 27, 2018 8:31 pm
Forum: general
Topic: Today I received.....
Replies: 4926
Views: 348560

Re: Today I received.....

Multiwizard wrote:
Fri Nov 23, 2018 5:53 pm
Hi,

I just received these (see pic below)... :-D


Greetings, Wim... :-)
Is that a US edition of the Advanced User Guide? I don't think I've seen it in a ring binder (like the US User Guide) before.
by BeebMaster
Sun Nov 25, 2018 10:28 pm
Forum: off-topic
Topic: USB HDD Behaviour
Replies: 5
Views: 140

Re: USB HDD Behaviour

Fromage frais! I had it going for 2 hours plugged straight into the computer without any system error messages. Then I realised that as well as the USB hub it used to be in, I had put an extension cable on the hub cable, so I omitted that and plugged the USB hub in using its own built-in cable, and ...
by BeebMaster
Sun Nov 25, 2018 5:37 pm
Forum: off-topic
Topic: USB HDD Behaviour
Replies: 5
Views: 140

Re: USB HDD Behaviour

Those messages read like it is shutting down and restarting the drive every few seconds, is that what they mean? I was using an unpowered (USB2) hub, although the external drive has its own power supply. I have shut down the drive and connected it directly to laptop USB3 port using the original cabl...
by BeebMaster
Sun Nov 25, 2018 1:51 pm
Forum: off-topic
Topic: USB HDD Behaviour
Replies: 5
Views: 140

Re: USB HDD Behaviour

Oh, of course, I should have said. It's Ubuntu 18.04 and the disc is an encrypted ext4 format. It was giving me those messages about every 30 seconds, so I stopped everything and powered it off, restarted it and now it is operating "normally", but I noticed this slow-down pausing/behaviour becoming ...
by BeebMaster
Sun Nov 25, 2018 11:58 am
Forum: off-topic
Topic: USB HDD Behaviour
Replies: 5
Views: 140

USB HDD Behaviour

With a USB-3 external HDD connected to my laptopamabob, and with it supposed to be working (ie. copying, moving, rsyncing ,zipping, unzipping etc.) it seems to work for a bit, then pause for ages, then work again. I get streams of these lines in dmesg: dmesg -T |tail [Sun Nov 25 11:55:33 2018] sd 2:...
by BeebMaster
Sun Nov 25, 2018 11:51 am
Forum: programming
Topic: Shuffling a pack of cards
Replies: 17
Views: 511

Re: Shuffling a pack of cards

This is a very interesting topic! I wonder if the most efficient shuffle routine should become the 2018 one-line challenge!
by BeebMaster
Mon Nov 19, 2018 9:52 am
Forum: off-topic
Topic: The 1772 Disc interface IC - Availability
Replies: 7
Views: 430

Re: The 1772 Disc interface IC - Availability

Would they let you send your own courier to pick up their parcel I wonder?
by BeebMaster
Mon Nov 19, 2018 9:51 am
Forum: hardware
Topic: VP410/VP415 laserdisc player digital audio?
Replies: 14
Views: 417

Re: VP410/VP415 laserdisc player digital audio?

It wouldn't let me upload the service manual, I've put it here:

http://www.beebmaster.co.uk/Downloads/2 ... Manual.pdf
by BeebMaster
Sun Nov 18, 2018 11:35 am
Forum: hardware
Topic: VP410/VP415 laserdisc player digital audio?
Replies: 14
Views: 417

Re: VP410/VP415 laserdisc player digital audio?

PAL discs have 2 audio channels, either both analogue or both digital. NTSC discs have 4 audio channels, 2 of each. There was lots of talk on forums a few years back of modifying analogue laserdisc players to output digital audio. This isn't specific to Philips and may be on the wrong [audio] track ...
by BeebMaster
Sun Nov 18, 2018 11:24 am
Forum: off-topic
Topic: The 1772 Disc interface IC - Availability
Replies: 7
Views: 430

Re: The 1772 Disc interface IC - Availability

daveejhitchins wrote:
Fri Nov 16, 2018 10:44 pm
We need someone who travels to New York regularly
Anybody on here a U.N. ambassador?
by BeebMaster
Sat Nov 03, 2018 10:48 pm
Forum: hardware
Topic: Dead MDFS Resurrection
Replies: 218
Views: 13529

Re: Dead MDFS Resurrection

Well, well...a bit of jiggery pokery with the Clock and the wiring, and slowing the Clock down a tad, and it's alive! I think the MDFS must be a bit more fussy about the "quality" of the net than a Beeb.
by BeebMaster
Sat Nov 03, 2018 9:12 pm
Forum: hardware
Topic: Dead MDFS Resurrection
Replies: 218
Views: 13529

Re: Dead MDFS Resurrection

MDFS serial number 2300 was repaired at the January 2018 Bug in Manchester, according to my notes it had C12, C13, X2 and CV3 replaced and was working with a SCSI disc attached. It was noted in my diary on 25th February 2018 as fully working with Station 114. It's not working now though! It appears ...
by BeebMaster
Sat Nov 03, 2018 1:46 pm
Forum: hardware
Topic: Master ET (Econet Terminal)
Replies: 15
Views: 441

Re: Master ET (Econet Terminal)

Found them now, here is the best picture of the board.
HPIM1227.JPG
by BeebMaster
Sat Nov 03, 2018 1:19 pm
Forum: hardware
Topic: Master ET (Econet Terminal)
Replies: 15
Views: 441

Re: Master ET (Econet Terminal)

For what it's worth pictures of my Master ET are here, although they are chronic and I can't find the original camera images to re-process the set.

That machine came from a STH member who had upgraded it for use as a Level 3 File Server station.
by BeebMaster
Sat Nov 03, 2018 1:17 pm
Forum: hardware
Topic: Testing BBC B Econet Hardware
Replies: 12
Views: 339

Re: Testing BBC B Econet Hardware

Splendid, another Beeb comes to Econet life!
by BeebMaster
Thu Nov 01, 2018 9:47 pm
Forum: hardware
Topic: Testing BBC B Econet Hardware
Replies: 12
Views: 339

Re: Testing BBC B Econet Hardware

I think NFS only checks for the presence of the 68B54 when deciding whether to initialise or not, so check that it's fitted correctly and is a known good 68B54. The 75159 has markings I haven't seen before, maybe check that. C18 looks wrong, it should be a little blobby one not an electrolytic, not ...
by BeebMaster
Sun Oct 28, 2018 12:32 pm
Forum: software: other
Topic: HiView
Replies: 9
Views: 351

Re: HiView

In fact the version of View (B3.0) in the Master 3.20 MOS ROM is in effect "Hi-View" (the same with ViewSheet) as it will relocate itself to give c.48K free space with a 6502 second processor active.
by BeebMaster
Thu Oct 25, 2018 7:33 pm
Forum: off-topic
Topic: Linux partition format
Replies: 28
Views: 729

Re: Linux partition format

It had another paddy last night, and went to 1640 bad sectors, so I thought I'd better do the deed. I patched it up with fsck and then this morning I used Clonezilla to make another clone of the drive. Tonight I took it apart, replaced the drive, didn't break anything, reassembled it, and restored t...
by BeebMaster
Tue Oct 23, 2018 7:20 pm
Forum: off-topic
Topic: Linux partition format
Replies: 28
Views: 729

Re: Linux partition format

Crab apple maybe? I did watch a video on how to take it to bits, there is a fair amount of dismantlage required. The last time I took a laptop apart I broke the ribbon connecting the touchpad, and also the ribbon for the CD drive. I don't know how I did break the CD one, it just seemed to get trappe...
by BeebMaster
Sat Oct 20, 2018 9:55 am
Forum: acorn atom and system
Topic: System floppy controller clone....
Replies: 2
Views: 186

Re: System floppy controller clone....

None in the BeebVault! I brought home the remaining stock a couple of weeks ago, but there are still about 40 left. CJE still seem to have plenty of stock, and IanS has his own slightly modified design, so I don't think there is any danger of Econet modules running out during the remaining lifetime ...
by BeebMaster
Sat Oct 20, 2018 9:39 am
Forum: off-topic
Topic: Linux partition format
Replies: 28
Views: 729

Re: Linux partition format

The new hard drive arrived earlier in the week. It's so light and tiny I thought the box was empty! Bring back full height MFM drives is what I say! Anyhow, the existing drive is behaving at the minute. It's settled at 1288 bad sectors and it hasn't crashed for a while now. Rather than risk taking t...
by BeebMaster
Fri Oct 19, 2018 5:10 pm
Forum: hardware
Topic: Keyboard schematics
Replies: 6
Views: 327

Re: Keyboard schematics

by BeebMaster
Mon Oct 15, 2018 9:14 pm
Forum: hardware
Topic: Raspberry Pi to 1MHz bus interface
Replies: 22
Views: 734

Re: Raspberry Pi to 1MHz bus interface

I'm sure a Raspberry Pi floppy disc is a possibility...