SID System Parts List
---------------------

IC1-IC8		6581/6582/8580 SID device
IC9		65C22 VIA
IC10		PAL-A (16L8)
IC11		PAL-B (16L8)
IC12		PAL-C (16R4)
IC13		PAL-D (16R8)
IC14-IC16	74HCT244
IC17		74HCT245