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L/+ORDERY

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.

Tape/disk: Home » Personal collection » Acorn ADFS disks » Electron_User_Group » EUG_50.ADF
Filename: L/+ORDERY
Read OK:
File size: 0708 bytes
Load address: 4C204556
Exec address: 524F2B2E
Duplicates

There is 1 duplicate copy of this file in the archive:

File contents
                           ORDER YOUR BOARDS

HI ALL! This month you'll find circuit diagrams and software on the EUG
disk with which you can build a 8 megabyte RAM disk for your BBC. More
details are given in my Article [selected from the Articles Menu - Ed].
You'll also find a utility for transferring to ROM, "RFS" and the manual
to accompany it.
   I suspect with the former though, that most of you will stick around
the 256kB or 512kB mark as I certainly don't have 8Mb worth of BBC Micro
software that I need all at once...
   For those who don't feel up to laying out the parts and soldering 
them together like I did with the prototype, it IS possible for me to 
do a small batch of ready-made ones. Any interest?
   I think one of the following two would be appropriate. Note that I
haven't included the amount of RAM in my calculations, as this is up the
end user. (The RAM is easily available from companies like Farnell 
anyway.)
   a) a fully assembled printed circuit board with space for RAM chips
      approx 35 + RAM chips
   b) just the printed circuit board which you then assemble yourself
      approx 10 + you'll need to source *all* the other parts

I've found a better PCB manufacturer than the saga I had when trying to
make some Master cartridge slot ROM boards - but there's still a setup 
charge so the more boards I order, the more that setup cost gets spread
out. Please let me know if you're potentially interested in the above.
In the meantime, as always, happy soldering!
                                                         Robert Sprowson
                     6 Bollinbrook Road, Macclesfield, CHESHIRE SK10 3DJ
                                                       Fax: 01625 431067
                                                 Email: info@sprow.co.uk
00000000  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000010  20 20 20 20 20 20 20 20  20 20 20 4f 52 44 45 52  |           ORDER|
00000020  20 59 4f 55 52 20 42 4f  41 52 44 53 0d 0d 48 49  | YOUR BOARDS..HI|
00000030  20 41 4c 4c 21 20 54 68  69 73 20 6d 6f 6e 74 68  | ALL! This month|
00000040  20 79 6f 75 27 6c 6c 20  66 69 6e 64 20 63 69 72  | you'll find cir|
00000050  63 75 69 74 20 64 69 61  67 72 61 6d 73 20 61 6e  |cuit diagrams an|
00000060  64 20 73 6f 66 74 77 61  72 65 20 6f 6e 20 74 68  |d software on th|
00000070  65 20 45 55 47 0d 64 69  73 6b 20 77 69 74 68 20  |e EUG.disk with |
00000080  77 68 69 63 68 20 79 6f  75 20 63 61 6e 20 62 75  |which you can bu|
00000090  69 6c 64 20 61 20 38 20  6d 65 67 61 62 79 74 65  |ild a 8 megabyte|
000000a0  20 52 41 4d 20 64 69 73  6b 20 66 6f 72 20 79 6f  | RAM disk for yo|
000000b0  75 72 20 42 42 43 2e 20  4d 6f 72 65 0d 64 65 74  |ur BBC. More.det|
000000c0  61 69 6c 73 20 61 72 65  20 67 69 76 65 6e 20 69  |ails are given i|
000000d0  6e 20 6d 79 20 41 72 74  69 63 6c 65 20 5b 73 65  |n my Article [se|
000000e0  6c 65 63 74 65 64 20 66  72 6f 6d 20 74 68 65 20  |lected from the |
000000f0  41 72 74 69 63 6c 65 73  20 4d 65 6e 75 20 2d 20  |Articles Menu - |
00000100  45 64 5d 2e 0d 59 6f 75  27 6c 6c 20 61 6c 73 6f  |Ed]..You'll also|
00000110  20 66 69 6e 64 20 61 20  75 74 69 6c 69 74 79 20  | find a utility |
00000120  66 6f 72 20 74 72 61 6e  73 66 65 72 72 69 6e 67  |for transferring|
00000130  20 74 6f 20 52 4f 4d 2c  20 22 52 46 53 22 20 61  | to ROM, "RFS" a|
00000140  6e 64 20 74 68 65 20 6d  61 6e 75 61 6c 0d 74 6f  |nd the manual.to|
00000150  20 61 63 63 6f 6d 70 61  6e 79 20 69 74 2e 0d 20  | accompany it.. |
00000160  20 20 49 20 73 75 73 70  65 63 74 20 77 69 74 68  |  I suspect with|
00000170  20 74 68 65 20 66 6f 72  6d 65 72 20 74 68 6f 75  | the former thou|
00000180  67 68 2c 20 74 68 61 74  20 6d 6f 73 74 20 6f 66  |gh, that most of|
00000190  20 79 6f 75 20 77 69 6c  6c 20 73 74 69 63 6b 20  | you will stick |
000001a0  61 72 6f 75 6e 64 0d 74  68 65 20 32 35 36 6b 42  |around.the 256kB|
000001b0  20 6f 72 20 35 31 32 6b  42 20 6d 61 72 6b 20 61  | or 512kB mark a|
000001c0  73 20 49 20 63 65 72 74  61 69 6e 6c 79 20 64 6f  |s I certainly do|
000001d0  6e 27 74 20 68 61 76 65  20 38 4d 62 20 77 6f 72  |n't have 8Mb wor|
000001e0  74 68 20 6f 66 20 42 42  43 20 4d 69 63 72 6f 0d  |th of BBC Micro.|
000001f0  73 6f 66 74 77 61 72 65  20 74 68 61 74 20 49 20  |software that I |
00000200  6e 65 65 64 20 61 6c 6c  20 61 74 20 6f 6e 63 65  |need all at once|
00000210  2e 2e 2e 0d 20 20 20 46  6f 72 20 74 68 6f 73 65  |....   For those|
00000220  20 77 68 6f 20 64 6f 6e  27 74 20 66 65 65 6c 20  | who don't feel |
00000230  75 70 20 74 6f 20 6c 61  79 69 6e 67 20 6f 75 74  |up to laying out|
00000240  20 74 68 65 20 70 61 72  74 73 20 61 6e 64 20 73  | the parts and s|
00000250  6f 6c 64 65 72 69 6e 67  20 0d 74 68 65 6d 20 74  |oldering .them t|
00000260  6f 67 65 74 68 65 72 20  6c 69 6b 65 20 49 20 64  |ogether like I d|
00000270  69 64 20 77 69 74 68 20  74 68 65 20 70 72 6f 74  |id with the prot|
00000280  6f 74 79 70 65 2c 20 69  74 20 49 53 20 70 6f 73  |otype, it IS pos|
00000290  73 69 62 6c 65 20 66 6f  72 20 6d 65 20 74 6f 20  |sible for me to |
000002a0  0d 64 6f 20 61 20 73 6d  61 6c 6c 20 62 61 74 63  |.do a small batc|
000002b0  68 20 6f 66 20 72 65 61  64 79 2d 6d 61 64 65 20  |h of ready-made |
000002c0  6f 6e 65 73 2e 20 41 6e  79 20 69 6e 74 65 72 65  |ones. Any intere|
000002d0  73 74 3f 0d 20 20 20 49  20 74 68 69 6e 6b 20 6f  |st?.   I think o|
000002e0  6e 65 20 6f 66 20 74 68  65 20 66 6f 6c 6c 6f 77  |ne of the follow|
000002f0  69 6e 67 20 74 77 6f 20  77 6f 75 6c 64 20 62 65  |ing two would be|
00000300  20 61 70 70 72 6f 70 72  69 61 74 65 2e 20 4e 6f  | appropriate. No|
00000310  74 65 20 74 68 61 74 20  49 0d 68 61 76 65 6e 27  |te that I.haven'|
00000320  74 20 69 6e 63 6c 75 64  65 64 20 74 68 65 20 61  |t included the a|
00000330  6d 6f 75 6e 74 20 6f 66  20 52 41 4d 20 69 6e 20  |mount of RAM in |
00000340  6d 79 20 63 61 6c 63 75  6c 61 74 69 6f 6e 73 2c  |my calculations,|
00000350  20 61 73 20 74 68 69 73  20 69 73 20 75 70 20 74  | as this is up t|
00000360  68 65 0d 65 6e 64 20 75  73 65 72 2e 20 28 54 68  |he.end user. (Th|
00000370  65 20 52 41 4d 20 69 73  20 65 61 73 69 6c 79 20  |e RAM is easily |
00000380  61 76 61 69 6c 61 62 6c  65 20 66 72 6f 6d 20 63  |available from c|
00000390  6f 6d 70 61 6e 69 65 73  20 6c 69 6b 65 20 46 61  |ompanies like Fa|
000003a0  72 6e 65 6c 6c 20 0d 61  6e 79 77 61 79 2e 29 0d  |rnell .anyway.).|
000003b0  20 20 20 61 29 20 61 20  66 75 6c 6c 79 20 61 73  |   a) a fully as|
000003c0  73 65 6d 62 6c 65 64 20  70 72 69 6e 74 65 64 20  |sembled printed |
000003d0  63 69 72 63 75 69 74 20  62 6f 61 72 64 20 77 69  |circuit board wi|
000003e0  74 68 20 73 70 61 63 65  20 66 6f 72 20 52 41 4d  |th space for RAM|
000003f0  20 63 68 69 70 73 0d 20  20 20 20 20 20 61 70 70  | chips.      app|
00000400  72 6f 78 20 33 35 20 2b  20 52 41 4d 20 63 68 69  |rox 35 + RAM chi|
00000410  70 73 0d 20 20 20 62 29  20 6a 75 73 74 20 74 68  |ps.   b) just th|
00000420  65 20 70 72 69 6e 74 65  64 20 63 69 72 63 75 69  |e printed circui|
00000430  74 20 62 6f 61 72 64 20  77 68 69 63 68 20 79 6f  |t board which yo|
00000440  75 20 74 68 65 6e 20 61  73 73 65 6d 62 6c 65 20  |u then assemble |
00000450  79 6f 75 72 73 65 6c 66  0d 20 20 20 20 20 20 61  |yourself.      a|
00000460  70 70 72 6f 78 20 31 30  20 2b 20 79 6f 75 27 6c  |pprox 10 + you'l|
00000470  6c 20 6e 65 65 64 20 74  6f 20 73 6f 75 72 63 65  |l need to source|
00000480  20 2a 61 6c 6c 2a 20 74  68 65 20 6f 74 68 65 72  | *all* the other|
00000490  20 70 61 72 74 73 0d 0d  49 27 76 65 20 66 6f 75  | parts..I've fou|
000004a0  6e 64 20 61 20 62 65 74  74 65 72 20 50 43 42 20  |nd a better PCB |
000004b0  6d 61 6e 75 66 61 63 74  75 72 65 72 20 74 68 61  |manufacturer tha|
000004c0  6e 20 74 68 65 20 73 61  67 61 20 49 20 68 61 64  |n the saga I had|
000004d0  20 77 68 65 6e 20 74 72  79 69 6e 67 20 74 6f 0d  | when trying to.|
000004e0  6d 61 6b 65 20 73 6f 6d  65 20 4d 61 73 74 65 72  |make some Master|
000004f0  20 63 61 72 74 72 69 64  67 65 20 73 6c 6f 74 20  | cartridge slot |
00000500  52 4f 4d 20 62 6f 61 72  64 73 20 2d 20 62 75 74  |ROM boards - but|
00000510  20 74 68 65 72 65 27 73  20 73 74 69 6c 6c 20 61  | there's still a|
00000520  20 73 65 74 75 70 20 0d  63 68 61 72 67 65 20 73  | setup .charge s|
00000530  6f 20 74 68 65 20 6d 6f  72 65 20 62 6f 61 72 64  |o the more board|
00000540  73 20 49 20 6f 72 64 65  72 2c 20 74 68 65 20 6d  |s I order, the m|
00000550  6f 72 65 20 74 68 61 74  20 73 65 74 75 70 20 63  |ore that setup c|
00000560  6f 73 74 20 67 65 74 73  20 73 70 72 65 61 64 0d  |ost gets spread.|
00000570  6f 75 74 2e 20 50 6c 65  61 73 65 20 6c 65 74 20  |out. Please let |
00000580  6d 65 20 6b 6e 6f 77 20  69 66 20 79 6f 75 27 72  |me know if you'r|
00000590  65 20 70 6f 74 65 6e 74  69 61 6c 6c 79 20 69 6e  |e potentially in|
000005a0  74 65 72 65 73 74 65 64  20 69 6e 20 74 68 65 20  |terested in the |
000005b0  61 62 6f 76 65 2e 0d 49  6e 20 74 68 65 20 6d 65  |above..In the me|
000005c0  61 6e 74 69 6d 65 2c 20  61 73 20 61 6c 77 61 79  |antime, as alway|
000005d0  73 2c 20 68 61 70 70 79  20 73 6f 6c 64 65 72 69  |s, happy solderi|
000005e0  6e 67 21 0d 20 20 20 20  20 20 20 20 20 20 20 20  |ng!.            |
000005f0  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
*
00000610  20 20 20 20 20 20 20 20  20 20 20 20 20 52 6f 62  |             Rob|
00000620  65 72 74 20 53 70 72 6f  77 73 6f 6e 0d 20 20 20  |ert Sprowson.   |
00000630  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000640  20 20 36 20 42 6f 6c 6c  69 6e 62 72 6f 6f 6b 20  |  6 Bollinbrook |
00000650  52 6f 61 64 2c 20 4d 61  63 63 6c 65 73 66 69 65  |Road, Macclesfie|
00000660  6c 64 2c 20 43 48 45 53  48 49 52 45 20 53 4b 31  |ld, CHESHIRE SK1|
00000670  30 20 33 44 4a 0d 20 20  20 20 20 20 20 20 20 20  |0 3DJ.          |
00000680  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
*
000006a0  20 20 20 20 20 20 20 20  20 20 20 20 20 46 61 78  |             Fax|
000006b0  3a 20 30 31 36 32 35 20  34 33 31 30 36 37 0d 20  |: 01625 431067. |
000006c0  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
*
000006f0  45 6d 61 69 6c 3a 20 69  6e 66 6f 40 73 70 72 6f  |Email: info@spro|
00000700  77 2e 63 6f 2e 75 6b 0d                           |w.co.uk.|
00000708
L/+ORDERY.m0
L/+ORDERY.m1
L/+ORDERY.m2
L/+ORDERY.m4
L/+ORDERY.m5