EXPANSION SLOT BOX FOR AMSTRAD PPC PORTABLE COMPUTER NOTE..A = IBM SOCKETS A SIDE B = IBM SOCKETS B SIDE ECA = PPC EXPANSION CONN A ECB = PPC EXPANSION CONN B ICA = IC SOCKET A ICB = IC SOCKET B SIGNAL/POWER : WIRING RUN -------------------------------------------------------------------- 1] GROUND : B1, B10, B31, ICA10, ICA1, ICA19, ICB10, ICB1, [Common] ICB19, ECA14, ECB19 [RED] 2] + 5Volts : B3, B29, ICA20, ICB20, 1 end of each of the 8 10,000 Ohm TTL Pull Up Resistors. [WHITE] 3] - 5Volts : B5 [GREEN] 4] - 12Volts : B7 [BLUE/WHITE] 5] + 12Volts : B9 [BLUE] [I suggest that you run all Power Wiring before proceding...] *** I did not provide -5V and -12V from my Power Supply to the Power Terminals on Expansion Board, as my Joystick and Hard Drive Controller Cards did not require them *** *** I connected a 22uF Electrolytic Capacitor between +5V and Ground, and +12V and Ground on Expansion Board to provide power for sudden increases in power consumption *** 6] I/O CHCK : ECB7 - 4.7Kohm Res No 1 - A1 [YELLOW] 7] RESET DRV : B2 - ICB18.....ICB2 - ECB30 [ORANGE] 8] D7 [DATA] : A2 - 10Kohm Res #1 - ECB13 [BROWN] 9] D6 [DATA] : A3 - 10Kohm Res #2 - ECB32 [SLATE] 10] IRQ2 : B4 - ECB2 [BLACK] 11] D5 [DATA] : A4 - 10Kohm Res #3 - ECB14 [BLUE/ORANGE] 12] D4 [DATA] : A5 - 10Kohm Res #4 - ECB33 [BLUE/GREEN] 13] DRQ2 : B6 - ECB8 [BLUE/BROWN] 14] D3 [DATA] : A6 - 10Kohm Res #5 - ECB15 [BLUE/SLATE] 15] D2 [DATA] : A7 - 10Kohm Res #6 - ECB34 [ORANGE/WHITE] 16] "NOT USED" : B8 - To A Suitable Point On Your Board [YELLOW] ** NOTE..This pin is shown as Not Used on my IBM Diagram, however I ran the wire in and left it not connected just below ECA in case it has a use in more recent add-in cards ** 17] D1 [DATA] : A8 - 10Kohm Res #7 - ECB16 [ORANGE/GREEN] 18] D0 [DATA] : A9 - 10Kohm Res #8 - ECB35 [ORANGE/BROWN] ** This Is The Last Of The Eight Data Signals...Well Done If You Have Got This Far...Check Your Work...Have A Cup Of Coffee... Check Your Work Again! [Very Easy To Make A Mistake!] ** 19] I/O READY : A10 - 4.7Kohm Res No2 - ECB5 [ORANGE/SLATE] 20] MEMW : B11 - ICB3.....ICB17 - ECB28 [GREEN/WHITE] 21] AEN : ECA13 - A11 [GREEN/BROWN] 22] MEMR : B12 - ICB16....ICB4 - ECB10 [GREEN/SLATE] 23] A19 [ADDRESS]: ECA3 - A12 [BROWN/WHITE] 24] IOW : B13 - ICB5.....ICB15 - ECB29 [BROWN/SLATE] 25] A18 [ADDR] : A13 - ECA16 [SLATE/WHITE] 26] IOR : B14 - ICB14...ICB6 - ECB11 [YELLOW] 27] A17 [ADDR] : A14 - ECA4 [BLACK] 28] DACK3 : B15 - ECB25 [BLUE] 29] A16 [ADDR] : A15 - ECA17 [ORANGE] 30] DRQ3 : B16 - ECB27 [GREEN] 31] A15 [ADDR] : A16 - ECA5 [BROWN] 32] DACK1 : B17 - ECB24 [SLATE] 33] A14 [ADDR] : A17 - ECA18 [BLUE/WHITE] 34] DRQ1 : B18 - ECB26 [BLUE/ORANGE] 35] A13 [ADDR] : A18 - ECA6 [BLUE/GREEN] 36] DACK0 : B19 - ECA15 [BLUE/BROWN] 37] A12 [ADDR] : A19 - ECA19 [BLUE/SLATE] 38] CLOCK : B20 - ICB7....ICB13 - ECB31 [ORANGE/WHITE] 39] A11 [ADDR] : A20 - ECA7 [ORANGE/GREEN] 40] IRQ7 : B21 - ECB23 [ORANGE/BROWN] 41] A10 [ADDR] : A21 - ECA20 [ORANGE/SLATE] 42] IRQ6 : B22 - ECB4 [GREEN/WHITE] 43] A9 [ADDR] : A22 - ECA8 [GREEN/BROWN] 44] IRQ5 : B23 - ECB22 [GREEN/SLATE] 45] A8 [ADDR] : A23 - ECA21 [GREEN/BROWN] 46] IRQ4 : B24 - ECB3 [BROWN/WHITE] 47] A7 [ADDR] : ECA9 - ICA2...ICA18 - A24 [BROWN/SLATE] 48] IRQ3 : B25 - ECB21 [SLATE/WHITE] 49] A6 [ADDR] : ECA22 - ICA17...ICA3 - A25 [YELLOW] 50] DACK2 : B26 - ECB6 [BLACK] 51] A5 [ADDR] : ECA10 - ICA4...ICA16 - A26 [BLUE] 52] T/C : B27 - ECA2 [ORANGE] 53] A4 [ADDR] : ECA23 - ICA15...ICA5 - A27 [GREEN] 54] ALE : B28 - ICB12...ICB8 - ECB12 [BROWN] 55] A3 [ADDR] : ECA11 - ICA6...ICA14 - A28 [SLATE] ** Nearly There -- But Don't Fall Asleep Now -- Keep Checking!! ** 56] A2 [ADDR] : ECA24 - ICA13...ICA7 - A29 [BLUE/WHITE] 57] OSC : B30 - ICB9...ICB11 - ECB9 [BLUE/ORANGE] 58] A1 [ADDR] : ECA12 - ICA8...ICA12 - A30 [BLUE/GREEN] 59] A0 [ADDR] : ECA25 - ICA11...ICA9 - A31 [YELLOW] *** HOPE YOU DIDN'T HAVE TOO MANY NIGHTMARES...CHECK YOUR WORK, CHECK MY WORK!!, CHECK YOUR OWN WORK AGAIN! ***