4860 HD (250-3540) Pinouts Faxback Doc. # 1159 External Monitor Port(15-pin): DC Connector(4-pin): Pin Signal Pin Signal 1 Red 1 24V 2 Green 2 Charge 3 Blue 3 Not connected 4 MS2 4 Ground 5 Ground 6 Ground External Keyboard Port(6-pin): 7 Ground 8 Ground Pin Signal 9 Not connected 10 Ground 1 KBDATA 11 MS0 2 MSDATA 12 MS1 3 Ground 13 Horizontal sync. 4 VCC 14 Vertical sync. 5 KBCLK 15 Not connected 6 MSCLK Parallel Port(25-pin): Serial Port(9-pin): Pin Signal Pin Signal Pin Signal 1 -Strobe 14 -Autofeed XT 1 Carrier Detect 2 D0 15 -Error 2 Receive Data 3 D1 16 -Init 3 Transmit Data 4 D2 17 -Slct in 4 Data terminal ready 5 D3 18 Ground 5 Signal ground 6 D4 19 Ground 6 Data set ready 7 D5 20 Ground 7 Request to send 8 D6 21 Ground 8 Clear to send 9 D7 22 Ground 9 Ring indicate 10 -ACK 23 Ground 11 Busy 24 Ground 12 PE 25 Ground 13 Slct Modem Port(14-pin): Pin Signal Pin Signal 1 +5V 8 Receive Data 2 Request to send 9 Data Set Ready 3 Transmit Data 10 Carrier Detect 4 Data terminal ready 11 Speaker 5 Signal ground 12 LED indicator 6 Ring indicate 13 Mouse Data 7 Clear to send 14 Mouse clock Expansion Slot Port(100-pin): Pin Signal Pin Signal Pin Signal Pin Signal 1 GND 26 SA15 51 GND 76 LA23 2 +5V 27 GND 52 VCC 77 DRQ2 3 NC 28 SA16 53 14.3181M 78 LA21 4 NC 29 SA17 54 IRQ5 79 LA19 5 NC 30 SA18 55 DRQ3 80 LA20 6 SYSCLK 31 SA19 56 DACK3 81 DACK6 7 IRQ3 32 SD0 57 AEN 82 GND 8 NC 33 SD1 58 DRQ1 83 REFRESH 9 GND 34 SD2 59 IOCHRDY 84 LA18 10 SA0 35 SD3 60 GND 85 MASTER 11 SA1 36 GND 61 IRQ10 86 LA17 12 SA2 37 SD4 62 IRQ14 87 SBHE 13 SA3 38 SD5 63 SD8 88 IOCHK 14 SA4 39 IRQ6 64 SD9 89 MEMCS 15 SA5 40 SD7 65 IRQ11 90 GND 16 SA6 41 SMEWW 66 SD10 91 IOCS16 17 SA7 42 SMEMR 67 SD11 92 DACK2 18 GND 43 GEN 68 SD12 93 DRQ6 19 SA8 44 IOW 69 IRQ12 94 DRQ5 20 SA9 45 IOR 70 GND 95 DACK5 21 SA10 46 TC 71 SD13 96 MEMR 22 SA11 47 BALE 72 SD14 97 IRQ1 23 SA12 48 RSTDRV 73 IRQ6 98 MEMW 24 SA13 49 DACK1 74 SD15 99 IRQ7 25 SA14 50 IRQ9 75 LA22 100 GND (rjs-06/10/93)