BBS in a Box 5

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MacBinary | 1989-11-15 | 2.0 KB | [TEXT/pdos]

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MacOS 8.1 extracted |

Win98 extracted |

DOS extracted

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This file was processed as: MacBinary (archive/macBinary).

You can browse this item here: TN.IIGS.009

Confidence	Program	Detection	Match Type	Support
`10%`	dexvert	MacBinary `(archive/macBinary)`	fallback	Supported
`1%`	dexvert	GeoWorks GEOS Data `(other/geoWorksGEOSData)`	ext	Unsupported
`1%`	dexvert	Text File `(text/txt)`	fallback	Supported
`100%`	file	MacBinary II, inited, Wed Nov 15 12:34:28 1989, modified Wed Nov 15 12:34:28 1989, creator Apple ProDOS file system, type ASCII, 1441 bytes "TN.IIGS.009" , at 0x621 382 bytes resource	default (weak)
`99%`	file	data	default
`74%`	TrID	Macintosh plain text (MacBinary)	default
`25%`	TrID	MacBinary 2	default (weak)
`100%`	siegfried	fmt/1762 MacBinary (II)	default
`100%`	lsar	MacBinary	default

id metadata
key	value
macFileType	`[TEXT]`
macFileCreator	`[pdos]`

hex view

+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 0b 54 4e 2e 49 49 47 | 53 2e 30 30 39 00 00 00 |..TN.IIG|S.009...|
|00000010| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000040| 00 54 45 58 54 70 64 6f | 73 01 00 00 00 00 00 00 |.TEXTpdo|s.......|
|00000050| 00 00 00 00 00 05 a1 00 | 00 01 7e a1 87 4e a4 a1 |........|..~..N..|
|00000060| 87 4e a4 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |.N......|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 4c f7 00 00 |........|....L...|
|00000080| 41 70 70 6c 65 20 49 49 | 0d 54 65 63 68 6e 69 63 |Apple II|.Technic|
|00000090| 61 6c 20 4e 6f 74 65 73 | 0d 5f 5f 5f 5f 5f 5f 5f |al Notes|._______|
|000000a0| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|000000b0| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|000000c0| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|000000d0| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|000000e0| 5f 5f 5f 5f 5f 5f 0d 20 | 20 20 20 20 20 20 20 20 |______. |        |
|000000f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000100| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000110| 20 20 20 20 20 20 20 20 | 20 44 65 76 65 6c 6f 70 |        | Develop|
|00000120| 65 72 20 54 65 63 68 6e | 69 63 61 6c 20 53 75 70 |er Techn|ical Sup|
|00000130| 70 6f 72 74 0d 0d 0d 41 | 70 70 6c 65 20 49 49 47 |port...A|pple IIG|
|00000140| 53 0d 23 39 3a 20 20 20 | 20 49 49 47 53 20 53 6f |S.#9:   | IIGS So|
|00000150| 75 6e 64 20 45 78 70 61 | 6e 73 69 6f 6e 20 43 6f |und Expa|nsion Co|
|00000160| 6e 6e 65 63 74 6f 72 3a | 0d 20 20 20 20 20 20 20 |nnector:|.       |
|00000170| 41 6e 61 6c 6f 67 20 49 | 6e 70 75 74 2f 4f 75 74 |Analog I|nput/Out|
|00000180| 70 75 74 20 49 6d 70 65 | 64 61 6e 63 65 73 0d 0d |put Impe|dances..|
|00000190| 52 65 76 69 73 65 64 20 | 62 79 3a 20 20 20 20 4a |Revised |by:    J|
|000001a0| 69 6d 20 4d 65 72 72 69 | 74 74 20 26 20 4a 69 6d |im Merri|tt & Jim|
|000001b0| 20 4d 65 6e 73 63 68 20 | 20 20 20 20 20 20 20 20 | Mensch |        |
|000001c0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000001d0| 4e 6f 76 65 6d 62 65 72 | 20 31 39 38 38 0d 57 72 |November| 1988.Wr|
|000001e0| 69 74 74 65 6e 20 62 79 | 3a 20 20 20 20 4a 69 6d |itten by|:    Jim|
|000001f0| 20 4d 65 72 72 69 74 74 | 20 20 20 20 20 20 20 20 | Merritt|        |
|00000200| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000210| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 44 65 |        |      De|
|00000220| 63 65 6d 62 65 72 20 31 | 39 38 36 0d 0d 54 68 69 |cember 1|986..Thi|
|00000230| 73 20 54 65 63 68 6e 69 | 63 61 6c 20 4e 6f 74 65 |s Techni|cal Note|
|00000240| 20 64 69 73 63 75 73 73 | 65 73 20 74 68 65 20 69 | discuss|es the i|
|00000250| 6d 70 65 64 61 6e 63 65 | 73 20 6f 66 20 74 68 65 |mpedance|s of the|
|00000260| 20 61 6e 61 6c 6f 67 20 | 73 69 67 6e 61 6c 20 70 | analog |signal p|
|00000270| 69 6e 73 20 6f 6e 20 74 | 68 65 20 0d 49 49 47 53 |ins on t|he .IIGS|
|00000280| 20 73 6f 75 6e 64 20 65 | 78 70 61 6e 73 69 6f 6e | sound e|xpansion|
|00000290| 20 63 6f 6e 6e 65 63 74 | 6f 72 20 73 69 6e 63 65 | connect|or since|
|000002a0| 20 61 6e 20 69 6e 74 65 | 72 66 61 63 65 20 74 6f | an inte|rface to|
|000002b0| 20 74 68 69 73 20 63 6f | 6e 6e 65 63 74 6f 72 20 | this co|nnector |
|000002c0| 6d 75 73 74 20 74 61 6b | 65 20 0d 74 68 65 20 69 |must tak|e .the i|
|000002d0| 6d 70 65 64 61 6e 63 65 | 20 6f 66 20 74 68 65 20 |mpedance| of the |
|000002e0| 70 69 6e 73 20 69 6e 74 | 6f 20 61 63 63 6f 75 6e |pins int|o accoun|
|000002f0| 74 20 74 6f 20 66 75 6e | 63 74 69 6f 6e 20 70 72 |t to fun|ction pr|
|00000300| 6f 70 65 72 6c 79 2e 0d | 5f 5f 5f 5f 5f 5f 5f 5f |operly..|________|
|00000310| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00000320| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00000330| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00000340| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00000350| 5f 5f 5f 5f 5f 0d 0d 54 | 68 65 20 61 6e 61 6c 6f |_____..T|he analo|
|00000360| 67 20 6f 75 74 70 75 74 | 20 69 6d 70 65 64 61 6e |g output| impedan|
|00000370| 63 65 20 6f 66 20 70 69 | 6e 20 33 20 64 65 70 65 |ce of pi|n 3 depe|
|00000380| 6e 64 73 20 75 70 6f 6e | 20 74 68 65 20 63 68 61 |nds upon| the cha|
|00000390| 72 61 63 74 65 72 69 73 | 74 69 63 73 20 6f 66 20 |racteris|tics of |
|000003a0| 74 68 65 20 0d 35 35 30 | 33 20 73 6f 75 6e 64 20 |the .550|3 sound |
|000003b0| 73 79 6e 74 68 65 73 69 | 73 20 63 68 69 70 20 69 |synthesi|s chip i|
|000003c0| 6e 20 61 6e 79 20 70 61 | 72 74 69 63 75 6c 61 72 |n any pa|rticular|
|000003d0| 20 49 49 47 53 20 6d 61 | 63 68 69 6e 65 2e 20 20 | IIGS ma|chine.  |
|000003e0| 41 63 72 6f 73 73 20 73 | 79 73 74 65 6d 73 2c 20 |Across s|ystems, |
|000003f0| 0d 74 68 69 73 20 69 6d | 70 65 64 61 6e 63 65 20 |.this im|pedance |
|00000400| 6d 61 79 20 72 61 6e 67 | 65 20 66 72 6f 6d 20 34 |may rang|e from 4|
|00000410| 2e 35 20 4b 20 6f 68 6d | 73 20 74 6f 20 39 20 4b |.5 K ohm|s to 9 K|
|00000420| 20 6f 68 6d 73 2e 0d 0d | 50 69 6e 20 31 2c 20 74 | ohms...|Pin 1, t|
|00000430| 68 65 20 41 2f 44 20 69 | 6e 70 75 74 2c 20 70 72 |he A/D i|nput, pr|
|00000440| 65 73 65 6e 74 73 20 61 | 20 64 79 6e 61 6d 69 63 |esents a| dynamic|
|00000450| 20 6c 6f 61 64 20 74 6f | 20 74 68 65 20 73 6f 75 | load to| the sou|
|00000460| 72 63 65 2c 20 64 72 61 | 77 69 6e 67 20 61 74 20 |rce, dra|wing at |
|00000470| 31 30 20 4b 20 0d 6f 68 | 6d 73 20 66 6f 72 20 61 |10 K .oh|ms for a|
|00000480| 70 70 72 6f 78 69 6d 61 | 74 65 6c 79 20 35 30 30 |pproxima|tely 500|
|00000490| 20 6e 73 20 64 75 72 69 | 6e 67 20 65 76 65 72 79 | ns duri|ng every|
|000004a0| 20 73 61 6d 70 6c 65 20 | 70 65 72 69 6f 64 2e 20 | sample |period. |
|000004b0| 20 49 74 20 69 73 20 72 | 65 61 73 6f 6e 61 62 6c | It is r|easonabl|
|000004c0| 65 2c 20 0d 68 6f 77 65 | 76 65 72 2c 20 74 6f 20 |e, .howe|ver, to |
|000004d0| 74 72 65 61 74 20 74 68 | 65 20 69 6e 70 75 74 20 |treat th|e input |
|000004e0| 70 69 6e 20 61 73 20 69 | 66 20 69 74 20 70 72 65 |pin as i|f it pre|
|000004f0| 73 65 6e 74 73 20 61 20 | 63 6f 6e 74 69 6e 75 6f |sents a |continuo|
|00000500| 75 73 20 6c 6f 61 64 20 | 6f 66 20 31 30 20 4b 0d |us load |of 10 K.|
|00000510| 6f 68 6d 73 20 77 69 74 | 68 6f 75 74 20 63 6f 6d |ohms wit|hout com|
|00000520| 70 72 6f 6d 69 73 69 6e | 67 20 74 68 65 20 69 6e |promisin|g the in|
|00000530| 74 65 72 66 61 63 65 20 | 6f 72 20 74 68 65 20 66 |terface |or the f|
|00000540| 69 64 65 6c 69 74 79 20 | 6f 66 20 74 68 65 20 69 |idelity |of the i|
|00000550| 6e 70 75 74 20 73 61 6d | 70 6c 65 2e 0d 0d 43 6f |nput sam|ple...Co|
|00000560| 6e 73 75 6c 74 20 74 68 | 65 20 41 70 70 6c 65 20 |nsult th|e Apple |
|00000570| 49 49 47 53 20 48 61 72 | 64 77 61 72 65 20 52 65 |IIGS Har|dware Re|
|00000580| 66 65 72 65 6e 63 65 20 | 66 6f 72 20 66 75 72 74 |ference |for furt|
|00000590| 68 65 72 20 74 65 63 68 | 6e 69 63 61 6c 20 69 6e |her tech|nical in|
|000005a0| 66 6f 72 6d 61 74 69 6f | 6e 20 0d 61 62 6f 75 74 |formatio|n .about|
|000005b0| 20 74 68 65 20 45 6e 73 | 6f 6e 69 71 20 35 35 30 | the Ens|oniq 550|
|000005c0| 33 20 73 6f 75 6e 64 20 | 73 79 6e 74 68 65 73 69 |3 sound |synthesi|
|000005d0| 73 20 63 68 69 70 20 75 | 73 65 64 20 69 6e 20 74 |s chip u|sed in t|
|000005e0| 68 65 20 49 49 47 53 2e | 0d 0d 0d 46 75 72 74 68 |he IIGS.|...Furth|
|000005f0| 65 72 20 52 65 66 65 72 | 65 6e 63 65 0d 6f 20 20 |er Refer|ence.o  |
|00000600| 20 20 41 70 70 6c 65 20 | 49 49 47 53 20 48 61 72 |  Apple |IIGS Har|
|00000610| 64 77 61 72 65 20 52 65 | 66 65 72 65 6e 63 65 0d |dware Re|ference.|
|00000620| 0d 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000630| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000640| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000650| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000660| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000670| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000680| 00 00 01 00 00 00 01 4c | 00 00 00 4c 00 00 00 32 |.......L|...L...2|
|00000690| 61 6c 20 4e 6f 74 65 73 | 0d 0d 0d 09 4e 6f 76 65 |al Notes|....Nove|
|000006a0| 6d 62 65 72 20 31 39 38 | 38 0d 0d 0d 0d 0d 31 20 |mber 198|8.....1 |
|000006b0| 18 31 2e 20 44 44 49 4e | 49 54 45 78 70 61 6e 64 |.1. DDIN|ITExpand|
|000006c0| 54 65 6d 70 46 69 6c 65 | 20 70 02 00 00 00 44 44 |TempFile| p....DD|
|000006d0| 00 00 44 44 54 4d 44 44 | 41 50 01 00 02 c0 00 80 |..DDTMDD|AP......|
|000006e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000006f0| 00 00 a5 ca d0 c0 00 00 | 05 a1 00 00 01 7e 74 6f |........|.....~to|
|00000700| 72 3a 20 20 41 6e 61 6c | 6f 67 20 49 6e 70 75 74 |r:  Anal|og Input|
|00000710| 2f 4f 75 74 70 75 74 20 | 49 6d 70 65 64 61 6e 63 |/Output |Impedanc|
|00000720| 65 73 09 31 20 6f 66 20 | 31 0d 0d 0d 0d 0d 41 70 |es.1 of |1.....Ap|
|00000730| 70 6c 65 20 49 49 47 53 | 0d 23 39 3a 20 20 49 49 |ple IIGS|.#9:  II|
|00000740| 47 53 20 53 6f 75 6e 64 | 20 45 78 70 61 6e 73 69 |GS Sound| Expansi|
|00000750| 6f 6e 20 43 6f 6e 6e 65 | 63 74 6f 72 3a 20 20 41 |on Conne|ctor:  A|
|00000760| 6e 61 6c 6f 67 20 49 6e | 70 75 74 2f 4f 75 74 70 |nalog In|put/Outp|
|00000770| 75 74 20 49 6d 70 65 64 | 61 6e 63 65 73 09 31 20 |ut Imped|ances.1 |
|00000780| 00 00 00 48 00 09 4d 6f | 6e 61 63 6f 00 00 00 00 |...H..Mo|naco....|
|00000790| 00 01 00 00 00 00 00 08 | 00 08 00 00 00 00 00 00 |........|........|
|000007a0| 00 00 00 48 00 00 00 06 | 00 04 00 3c 00 24 01 dd |...H....|...<.$..|
|000007b0| 02 3d 00 3c 00 24 01 dd | 02 3d 9f ce 79 ca 00 00 |.=.<.$..|.=..y...|
|000007c0| 00 00 00 00 00 00 00 00 | 00 00 01 00 00 00 01 00 |........|........|
|000007d0| 00 00 01 4c 00 00 00 4c | 00 00 00 32 00 1c 10 4c |...L...L|...2...L|
|000007e0| 07 b8 00 00 00 1c 00 32 | 00 00 4d 50 53 52 00 00 |.......2|..MPSR..|
|000007f0| 00 0a 03 ed ff ff 00 00 | 00 00 00 1d 47 70 00 00 |........|....Gp..|
+--------+-------------------------+-------------------------+--------+--------+