IMageDisk Analyzer 1.20 / Jan 09 2024
IMD 1.17:  3/01/1990  2:11:43

820-I  SWP  SS/DD

SYSTEM DISK

Required cylinders: 77
Required heads    : 1
Data rate         : 500kbps
Est. maximum track: 10066 bytes

Possible drives/options to write B18D8.IMD :

 3.5" HD 80-track   NOTE: *1 *2
   Double-step: OFF

 5.25" HD 80-track   NOTE: *1
   Double-step: OFF

 8" 77-track
   Double-step: OFF

*1 77 track image likely from 8" drive.
*2 Should fit on 360rpm drive, 300rpm drive will leave long end gap.




IMageDisk Utility 1.20 / Jan 09 2024
IMD 1.17:  3/01/1990  2:11:43

820-I  SWP  SS/DD

SYSTEM DISK

Assuming 1:1 for Binary output
 0/0 500 kbps SD  26x128
     1  2  3  4  5  6  7  8  9  10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 
     D  D  D  D  D  D  D  D  D  D  D  D  D  D  D00D00D00D00D00D00D00D00D00D00D00D00
 1/0 500 kbps DD  16x512
      1   2   3   4   5   6   7   8   9   10  11  12  13  14  15  16 
 HD:  32  32  32  32  32  32  32  32  32  32  32  32  32  32  32  32 
      D   D   D   D00 D   D   D   D   D   D   D   D   D   D   D   D  
 2/0 500 kbps DD  9x1024
      1   4   7   2   5   8   3   6   9  
 HD:  18  18  18  18  18  18  18  18  18 
      D   D   D   D   D   D   D   DE5 D  
 HD:  18  18  18  18  18  18  18  18  18 
 3/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
 4/0  D   D   D   D   D   DE5 D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
 5/0  D   D   DE5 D   DE5 D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
 6/0  D   D   D   DE5 D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
 7/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
 8/0  D   DE5 D   DE5 D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
 9/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
10/0  D   D   D   D   D   DE5 D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
11/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
12/0  D   DE5 D   DE5 D   D   D   DE5 D  
 HD:  18  18  18  18  18  18  18  18  18 
13/0  DE5 D   DE5 D   D   D   DE5 D   DE5
 HD:  18  18  18  18  18  18  18  18  18 
14/0  D   D   D   DE5 D   D   D   DE5 D  
 HD:  18  18  18  18  18  18  18  18  18 
15/0  DE5 D   DE5 D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
16/0  D   D   D   DE5 D   D   D   DE5 D  
 HD:  18  18  18  18  18  18  18  18  18 
17/0  D   D   D   D   DE5 D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
18/0  D   D   D   D   D   DE5 D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
19/0  DE5 D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
20/0  D   D   D   D   D   D   D   D00 D  
 HD:  18  18  18  18  18  18  18  18  18 
21/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
22/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
23/0  DE5 D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
24/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
25/0  D   D   D   D   D   D   DE5 D   D  
 HD:  18  18  18  18  18  18  18  18  18 
26/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
27/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
28/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
29/0  D   D   D   D   DE5 D   DE5 D   D  
 HD:  18  18  18  18  18  18  18  18  18 
30/0  D   D   D   D   D   D   D   DE5 D  
 HD:  18  18  18  18  18  18  18  18  18 
31/0  D   D   D   D   DE5 D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
32/0  D   D   D   D   D   D   D   DE5 D  
 HD:  18  18  18  18  18  18  18  18  18 
33/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
34/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
35/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
36/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
37/0  D   D   D   D   D   D   DE5 D   D  
 HD:  18  18  18  18  18  18  18  18  18 
38/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
39/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
40/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
41/0  D   D   DE5 D   DE5 D   DE5 D   DE5
 HD:  18  18  18  18  18  18  18  18  18 
42/0  D   DE5 D   DE5 D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
43/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
44/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
45/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
46/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
47/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
48/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
49/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
50/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
51/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
52/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
53/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
54/0  D   DE5 D   DE5 D   DE5 D   DE5 D  
 HD:  18  18  18  18  18  18  18  18  18 
55/0  DE5 D   DE5 D   DE5 D   DE5 D   DE5
 HD:  18  18  18  18  18  18  18  18  18 
56/0  D   D   D   DE5 D   DE5 D   DE5 D  
 HD:  18  18  18  18  18  18  18  18  18 
57/0  DE5 D   DE5 D   DE5 D   DE5 D   DE5
 HD:  18  18  18  18  18  18  18  18  18 
58/0  D   D   D   DE5 D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
59/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
60/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
61/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
62/0  D   D   D   DE5 D   DE5 D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
63/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
64/0  D   D   D   D   D   D   D   D   D00
 HD:  18  18  18  18  18  18  18  18  18 
65/0  D00 D00 D   D00 D00 D   D00 D   D  
 HD:  18  18  18  18  18  18  18  18  18 
66/0  D   D00 D   D00 D00 D   D00 D00 D  
 HD:  18  18  18  18  18  18  18  18  18 
67/0  D   D   D   D   D   D   D   D   D  
 HD:  18  18  18  18  18  18  18  18  18 
68/0  D   D   DE5 D00 DE5 DE5 D   DE5 DE5
 HD:  18  18  18  18  18  18  18  18  18 
69/0  DE5 DE5 DE5 DE5 DE5 DE5 DE5 DE5 DE5
 HD:  18  18  18  18  18  18  18  18  18 
70/0  DE5 DE5 DE5 DE5 DE5 DE5 DE5 DE5 DE5
 HD:  18  18  18  18  18  18  18  18  18 
71/0  DE5 DE5 DE5 DE5 DE5 DE5 DE5 DE5 DE5
 HD:  18  18  18  18  18  18  18  18  18 
72/0  DE5 DE5 DE5 DE5 DE5 DE5 DE5 DE5 DE5
 HD:  18  18  18  18  18  18  18  18  18 
73/0  DE5 DE5 DE5 DE5 DE5 DE5 DE5 DE5 DE5
 HD:  18  18  18  18  18  18  18  18  18 
74/0  DE5 DE5 DE5 DE5 DE5 DE5 DE5 DE5 DE5
 HD:  18  18  18  18  18  18  18  18  18 
75/0  DE5 DE5 DE5 DE5 DE5 DE5 DE5 DE5 DE5
 HD:  18  18  18  18  18  18  18  18  18 
76/0  DE5 DE5 DE5 DE5 DE5 DE5 DE5 DE5 DE5
77 tracks(77/0), 717 sectors (161 Compressed)



Directory is at 0x2D00 = 11520 Decimal
00002D00   00 43 4F 50  59 20 20 20  20 C3 4F 4D  00 00 00 08  .COPY    .OM....
00002D10   02 00 00 00  00 00 00 00  00 00 00 00  00 00 00 00  ................
00002D20   00 4D 38 30  20 20 20 20  20 C3 4F 4D  00 00 00 80  .M80     .OM....
00002D30   03 00 04 00  05 00 06 00  07 00 08 00  09 00 0A 00  ................
00002D40   00 4D 38 30  20 20 20 20  20 C3 4F 4D  01 00 00 16  .M80     .OM....
00002D50   0B 00 0C 00  00 00 00 00  00 00 00 00  00 00 00 00  ................
00002D60   00 44 44 54  20 20 20 20  20 C3 4F 4D  00 00 00 26  .DDT     .OM...&
00002D70   0D 00 0E 00  0F 00 00 00  00 00 00 00  00 00 00 00  ................
00002D80   00 58 53 55  42 20 20 20  20 C3 4F 4D  00 00 00 06  .XSUB    .OM....
00002D90   10 00 00 00  00 00 00 00  00 00 00 00  00 00 00 00  ................
00002DA0   00 49 4E 49  54 20 20 20  20 C3 4F 4D  00 00 00 09  .INIT    .OM....
00002DB0   11 00 00 00  00 00 00 00  00 00 00 00  00 00 00 00  ................
00002DC0   00 44 55 4D  50 20 20 20  20 C3 4F 4D  00 00 00 04  .DUMP    .OM....
00002DD0   12 00 00 00  00 00 00 00  00 00 00 00  00 00 00 00  ................
00002DE0   00 53 55 42  4D 49 54 20  20 C3 4F 4D  00 00 00 0A  .SUBMIT  .OM....
00002DF0   13 00 00 00  00 00 00 00  00 00 00 00  00 00 00 00  ................
00002E00   00 43 42 49  4F 53 20 20  20 4D 41 43  00 00 00 78  .CBIOS   MAC...x
00002E10   14 00 15 00  16 00 17 00  18 00 19 00  1A 00 1B 00  ................
00002E20   00 53 59 53  47 45 4E 20  20 C3 4F 4D  00 00 00 08  .SYSGEN  .OM....
00002E30   1C 00 00 00  00 00 00 00  00 00 00 00  00 00 00 00  ................
00002E40   00 53 54 41  54 20 20 20  20 C3 4F 4D  00 00 00 29  .STAT    .OM...)
00002E50   1D 00 1E 00  1F 00 00 00  00 00 00 00  00 00 00 00  ................



BEGIN XER5  Xerox 16/8 - SSDD 8" - 256 x 26
DENSITY MFM HIGH
CYLINDERS 77 SIDES 1 SECTORS 26 256 SKEW 5
SIDE1 0 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26
BSH 4 BLM 15 EXM 1 DSM 242 DRM 127 AL0 0C0H AL1 0 OFS 2
END

# XER5  Xerox 16/8 - SSDD 8" - 256 x 26
diskdef xer5
  seclen 256
  tracks 77
  sectrk 26
  blocksize 2048
  maxdir 128
  skew 1
  boottrk 2
  os 2.2
end

# libdsk
[xer5]
description = XER5  Xerox 16/8 - SSDD 8" - 256 x 26
cylinders = 77
heads = 1
secsize = 256
sectors = 26
secbase = 1
datarate = ED

# Flashfloppy/GOTEK
[xer5]
cyls = 77
heads = 1
secs = 26
interleave = 1
bps = 256
id = 1
rpm = 360
#rpm = 300
rate = 250
mode = mfm
iam = no



$ cpmls -f xer5 -T raw,xer5 -D B18D8.RAW
     Name    Bytes   Recs  Attr     update             create
------------ ------ ------ ---- -----------------  -----------------
-READ   .ME      2K     14    
C       .COM     1K      2    
CBIOS   .MAC    15K    120    
COPY    .COM     1K      8 R  
CRCK3   .COM     1K      5    
DBASE   .XSD     1K      4    
DDCBIOS .IMG     8K     60    
DDCOPY  .COM     3K     22    
DDINIT  .COM     5K     36    
DDROM   .IMG    10K     80    
DDSYSGEN.COM     3K     23    
DDT     .COM     5K     38 R  
DIABLO  .COM     1K      1    
DIABLO  .MAC     3K     19    
DPATCH  .COM    16K    124    
DTRLINE .COM     1K      1    
DTRLINE .MAC     2K     12    
DUMP    .COM     1K      4 R  
DUMP80  .COM     2K     13    
DVORAK  .XRD     1K      2    
ED      .COM     7K     52 R  
ETXACK  .COM     1K      1    
ETXACK  .MAC     3K     21    
FIX     .COM    36K    286    
FIX     .DOC     3K     24    
GRAF-SOU.N       1K      2    
GRAPHICS.BAS     1K      2    
HEX     .BAS     1K      7    
INIT    .COM     2K      9 R  
L80     .COM    10K     74 R  
LDIR    .COM     8K     59    
LOOK    .COM     1K      5    
LRUN    .COM     2K     12    
LTYPE   .COM     9K     65    
LU      .COM    19K    152    
LU300   .DOC    35K    275    
M80     .COM    19K    150 R  
MBASIC  .XSD     1K      3    
MBASIC5 .COM    24K    189    
MDIR    .COM     1K      5    
MODIFY  .COM     3K     22    
MRES    .COM     9K     70    
NSWP    .COM    11K     86 R  
PARALLEL.COM     1K      2    
PARALLEL.MAC     2K     12    
PARALLEL.XER     1K      2    
PC      .XPD     1K      1    
PC      .XRD     1K      1    
PC      .XSD     1K      1    
PIP     .COM     8K     58 R  
PRACTICE.FIL     1K      2    
PRACTICE.XSD     1K      1    
PW      .XPD     1K      1    
PW      .XSD     1K      5    
REZ     .COM     7K     54    
REZ46   .COM     8K     61    
REZ46   .DOC     1K      7    
SAVEKEY .COM     2K     12    
SQ      .COM    14K    106    
STAT    .COM     6K     41 R  
SUBMIT  .COM     2K     10 R  
SYSGEN  .COM     1K      8 R  
TERM    .COM     1K      3    
TEST    .XPD     1K      1    
TEST    .XRD     1K      1    
TEST    .XSD     1K      2    
TTYTYPE .COM     1K      1    
TTYTYPE .MAC     2K     16    
TYPEWRIT.XRD     1K      1    
TYPEWRIT.XSD     1K      1    
USQ     .COM    10K     79    
UTIL    .COM    12K     95    
WS      .COM    16K    124    
WS      .XPD     1K      1    
WS      .XSD     1K      2    
WS2     .XPD     1K      1    
WSMSGS  .OVR    28K    218    
WSOVLY1 .OVR    34K    266    
XCONFIG .COM    10K     74    
XEDIT   .COM    25K    196    
XEDIT   .HLP     5K     33    
XONXOFF .COM     1K      1    
XONXOFF .MAC     3K     22    
XSUB    .COM     1K      6 R  
XTRAKEY .COM     4K     31    
ZSID    .COM    10K     80    
   86 Files occupying    287K,     209K Free.





