[Jul/10/2002]

Pairs
System Ten Co. Ltd., 1989

Hardware is by Nichibutsu with official seal, All ROMs 
have official Nichibutsu stickers on them.

PCB No: GH1701
CPU   : Z80B
SOUND : YM3812, Y3014B
OSC   : 20.000MHz
RAM   : SONY CXK5814P-35L (x2), MCM514256 (x2), SANYO LC3517AL-10 (x1)
DIPSW : 8 position (x2)
OTHER : Unknown 40 Pin DIP (surface scratched, near Z80, PCB doesn't work at all if it is removed)
        Unknown 40 Pin DIP (surface scratched, made by Fujitsu, near gfx ROMs)
        Volume Pot (x2, labelled VOICE and MAIN)
        2 Unpopulated sockets for what appears to be 2 more M514256 RAMs (located next to the two M514256 RAMs)
PALs  : (x2, one near gfx ROMs, other near Z80)
PROMs : None

ROMs  : (All ROMs type 27C512)
------------------------------
1.J2      \ Main Program (3 grouped together)
2.K2       |Possibly one of them is sound related or for use with unknown 40 pin DIP IC?
3.J3      /

4.C8 -> 18.H10  GFX

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