EXPANSION ...86 PIN EDGE (.1) (P2) ---------------------------------- See Appendix K for the 100 pin Zorro II and Zorro III bus connector PIN A500 A1000 A2000 A2000b FUNCTION --- ---- ----- ----- ------ -------- 1 x x x x ground 2 x x x x ground 3 x x x x ground 4 x x x x ground 5 x x x x +5VDC 6 x x x x +5VDC 7 x x x x No Connect 8 x x x x -5VDC 9 x x No Connect x x 28MHz Clock 10 x x x x +12VDC 11 x x x No Connect x /COPCFG (Configuration Out) 12 x x x x CONFIG IN, Grounded 13 x x x x Ground 14 x x x x /C3 Clock 15 x x x x CDAC Clock 16 x x x x /C1 Clock 17 x x x x /OVR 18 x x x x RDY 19 x x x x /INT2 20 x /PALOPE x x No Connect x /BOSS 21 x x x x A5 22 x x x x /INT6 23 x x x x A6 24 x x x x A4 25 x x x x ground 26 x x x x A3 27 x x x x A2 28 x x x x A7 29 x x x x A1 30 x x x x A8 31 x x x x FC0 32 x x x x A9 33 x x x x FC1 34 x x x x A10 35 x x x x FC2 36 x x x x A11 37 x x x x Ground 38 x x x x A12 39 x x x x A13 40 x x x x /IPL0 41 x x x x A14 42 x x x x /IPL1 43 x x x x A15 44 x x x x /IPL2 45 x x x x A16 46 x x x x BEER* 47 x x x x A17 48 x x x x /VPA 49 x x x x Ground 50 x x x x E Clock 51 x x x x /VMA 52 x x x x A18 53 x x x x RST 54 x x x x A19 55 x x x x /HLT 56 x x x x A20 57 x x x x A22 58 x x x x A21 59 x x x x A23 60 x x x /BR x /CBR 61 x x x x Ground 62 x x x x /BGACK 63 x x x x D15 64 x x x /BG x /CBG 65 x x x x D14 66 x x x x /DTACK 67 x x x x D13 68 x x x x R/W 69 x x x x D12 70 x x x x /LDS 71 x x x x D11 72 x x x x /UDS 73 x x x x Ground 74 x x x x /AS 75 x x x x D0 76 x x x x D10 77 x x x x D1 78 x x x x D9 79 x x x x D2 80 x x x x D8 81 x x x x D3 82 x x x x D7 83 x x x x D4 84 x x x x D6 85 x x x x Ground 86 x x x x D5