[Sep/06/94]

Mystic Marathon (Williams, 1983)

Two boards, a large board with lots of RAM and three ROMs,
and a smaller board with lots of ROMs, the CPU, the 6821
PIAs, and the two "Special Chip 2" custom BIT/BLT chips.

Naming convention: mmxx[_r].yzz

mm - Mystic Marathon
xx - ROM number
_r - Revision number
 y - Board (a = small board with ROMs and CPU, b = large board with RAM)
zz - The boards locate chips with the markings "ICzz".


Type  Filename

2764  mm01_1.a08
2732  mm02_2.a09
2732  mm03_2.a10
2764  mm04_1.a11
2764  mm05_1.a12
2764  mm06_1.a13
2764  mm07_1.a14
2764  mm08_1.a15
2764  mm09_1.a16
2764  mm10_1.a17
2764  mm11_1.a18
2764  mm12_1.a19
2764  mm13_1.a21
2764  mm14_1.a22
2764  mm15_1.a23
2764  mm16_1.a24
2764  mm17_1.a25
2764  mm18_1.a26
2764  mm19_1.b41
2764  mm20_1.b57
2764  mm21_1.b58

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[Aug/06/95]

Mystic Marathon bipolar PROMs:

Location   ChipType (Mfr)        Williams ID#
--------   -------------------   ------------
IC14.BPR   N82S123 (Signetics)   A-5282-10295
IC47.BPR   N82S129 (Signetics)   A-5282-10294
IC60.BPR   M3-7649A-5 (Harris)   A-5282-10292

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