compaq lte elite User Manual
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22 Serial-Ring Indicator 121 System Address Bit 11 23 Serial Transmit Data 122 System Address Bit 12 24 Serial Clear-to-Send 123 System Address Bit 13 25 Ground 124 Ground 26 Serial Receive Data 125 System Address Bit 14 27 Serial Ready-to-Send 126 System Address Bit 15 28 Serial Carrier Detect 127 System Address Bit 16 29 Serial-Data Set Ready 128 Ground 30 Ground 129 System Address Bit 17 31 DMA Acknowledge 2 * 130 System Address Bit 18 32 DMA Acknowledge 1 * 131 System Address Bit 19 33 DMA Acknowledge 0 * 132 Ground 34 +5V Fused (computer) 133 Printer Select In * 35 Printer Paper Out 134 Diskette Boot 36 Printer Acknowledge * 135 Diskette Low Den. Media * 37 Printer Data Bit 6 * 136 Diskette Direction In * 38 Printer Data Bit 4 137 Ground 39 Ground 138 Diskette Index * 40 Printer Data Bit 2 139 Diskette Change * 41 Printer Data Bit 0 140 Diskette Head Select 42 Keypad Data 141 Ground 43 Battery Voltage 142 Reserved 44 Keyboard Clock 143 No Wait States * 45 Keyboard Data 144 Bus Ready 46 Mouse Clock 145 Ground 47 Battery Voltage 146 I/O Read Control * 48 Ground-CRT 147 I/O Write Control * 49 Ground-CRT 148 ISA Bus Clock 50 Ground-CRT 149 Ground 51 Ground-CRT 150 Address Latch Enable 52 Ground-CRT 151 DMA Cycle Indicator 53 DMA Request 1 152 Unlatched Address Bit 17 54 DMA Request 7 153 Ground 55 DMA Request 6 154 Unlatched Address Bit 18 56 Ground 155 Unlatched Address Bit 19 57 DMA Request 5 156 Unlatched Address Bit 20 58 DMA Request 3 157 Unlatched Address Bit 21 59 DMA Request 2 158 Ground 60 Ground 159 Unlatched Address Bit 22 61 DMA Request 0 160 Unlatched Address Bit 23 62 DMA Acknowledge 7 * 161 System Address Bit 0 63 DMA Acknowledge 6 * 162 Ground 64 Ground 163 System Address Bit 1 65 DMA Acknowledge 5 * 164 System Address Bit 2 66 DMA Acknowledge 3 * 165 System Address Bit 3 67 Spare 166 Diskette Drive Select * 68 Reserved 167 Diskette Low Density * 69 Ground 168 High Density 70 Reserved 169 External Diskette Connected * 71 Diskette Write Protect * 170 Tape Select * 72 Diskette Write Data * 171 Ground 73 Ground 172 Diskette Motor * 74 Diskette Step * 173 16-Bit I/O Cycle * 75 Diskette Track 0 * 174 Low Memory * 76 Reset 175 Ground 77 Ground 176 Memory Read Control * 78 System Data Bit 15 177 Memory Write Control * 79 System Data Bit 14 178 16-Bit Memory Cycle * 80 System Data Bit 13 179 Ground 81 Ground 180 Bus Master Grab *
82 System Data Bit 12 181 Byte High Enable * 83 System Data Bit 11 182 Refresh * 84 System Data Bit 10 183 Ground 85 Ground 184 Interrupt Request 15 86 System Data Bit 9 185 Interrupt Request 14 87 System Data Bit 8 186 Interrupt Request 12 88 System Data Bit 7 187 Ground 89 System Data Bit 6 188 Interrupt Request 11 90 Ground 189 Interrupt Request 10 91 System Data Bit 5 190 Interrupt Request 9 92 System Data Bit 4 191 Interrupt Request 7 93 System Data Bit 3 192 Ground 94 Ground 193 Interrupt Request 6 95 System Data Bit 2 194 Interrupt Request 5 96 System Data Bit 1 195 Interrupt Request 4 97 System Data Bit 0 196 Reserved 98 Ground 197 Interrupt Request 3 99 DMA Terminal Count 198 Ground --------------------------------------------------------------------------- * Active low =========================================================================== IMPORTANT: There are differences between the pin-outs for the 198-pin external options connector on the Compaq LTE Elite and the Compaq SmartStation.
Table A-7. Compaq SmartStation 198-Pin External Options Connector =========================================================================== Pin Signal Pin Signal =========================================================================== 1 Printer Select 100 +5V Fused (computer) 2 Printer Busy 101 Printer Auto Line Feed * 3 Printer Data Bit 7 102 Printer Error * 4 Printer Data Bit 5 103 Ground 5 Ground 104 Printer Initialize * 6 Printer Data Bit 3 105 Diskette Write Gate * 7 Printer Data Bit 1 106 Diskette Read Data * 8 Printer Strobe * 107 Ground 9 +5V from Main Exp. Base 108 Power On * 10 Battery Voltage 109 Exp Device Connected * 11 Power Good Exp. Base 110 I/O Error Check * 12 Standby 111 Ground 13 Mouse Data 112 System Address Bit 4 14 Battery Voltage 113 System Address Bit 5 15 CRT-Red Analog 114 System Address Bit 6 16 CRT-Green Analog 115 Ground 17 CRT-Blue Analog 116 System Address Bit 7 18 CRT Horizontal Sync 117 System Address Bit 8 19 CRT Vertical Sync 118 System Address Bit 9 20 Ground 119 Ground 21 Serial-Data Term Ready 120 System Address Bit 10 22 Serial-Ring Indicator 121 System Address Bit 11 23 Serial Transmit Data 122 System Address Bit 12 24 Serial Clear-to-Send 123 System Address Bit 13 25 Ground 124 Ground 26 Serial Receive Data 125 System Address Bit 14 27 Serial Ready-to-Send 126 System Address Bit 15 28 Serial Carrier Detect 127 System Address Bit 16 29 Serial-Data Set Ready 128 Ground 30 Ground 129 System Address Bit 17 31 DMA Acknowledge 2 * 130 System Address Bit 18 32 DMA Acknowledge 1 * 131 System Address Bit 19 33 DMA Acknowledge 0 * 132 Ground 34 +5V Fused (computer) 133 Printer Select In * 35 Printer Paper Out 134 Diskette Boot 36 Printer Acknowledge * 135 Diskette Low Den. Media * 37 Printer Data Bit 6 136 Diskette Direction In * 38 Printer Data Bit 4 137 Ground 39 Ground 138 Diskette Index * 40 Printer Data Bit 2 139 Diskette Change * 41 Printer Data Bit 0 140 Diskette Head Select 42 Keypad Data 141 Ground 43 Battery Voltage 142 Reserved 44 Keyboard Clock 143 No Wait States * 45 Keyboard Data 144 Bus Ready 46 Mouse Clock 145 Ground 47 Battery Voltage 146 I/O Read Control * 48 Ground-CRT 147 I/O Write Control * 49 Ground-CRT 148 ISA Bus Clock 50 Ground-CRT 149 Ground 51 Ground-CRT 150 Address Latch Enable 52 Ground-CRT 151 DMA Cycle Indicator 53 DMA Request 1 152 Unlatched Address Bit 17 54 DMA Request 7 153 Ground 55 DMA Request 6 154 Unlatched Address Bit 18
56 Ground 155 Unlatched Address Bit 19 57 DMA Request 5 156 Unlatched Address Bit 20 58 DMA Request 3 157 Unlatched Address Bit 21 59 DMA Request 2 158 Ground 60 Ground 159 Unlatched Address Bit 22 61 DMA Request 0 160 Unlatched Address Bit 23 62 DMA Acknowledge 7 * 161 System Address Bit 0 63 DMA Acknowledge 6 * 162 Ground 64 Ground 163 System Address Bit 1 65 DMA Acknowledge 5 * 164 System Address Bit 2 66 DMA Acknowledge 3 * 165 System Address Bit 3 67 Expansion Base Present 166 Diskette Drive Select * 68 Reserved 167 Diskette Low Density * 69 Ground 168 High Density 70 Reserved 169 External Diskette Connected * 71 Diskette Write Protect * 170 Tape Select * 72 Diskette Write Data * 171 Ground 73 Ground 172 Diskette Motor * 74 Diskette Step * 173 16-Bit I/O Cycle * 75 Diskette Track 0 * 174 Low Memory * 76 Reset 175 Ground 77 Ground 176 Memory Read Control * 78 System Data Bit 15 177 Memory Write Control * 79 System Data Bit 14 178 16-Bit Memory Cycle * 80 System Data Bit 13 179 Ground 81 Ground 180 Bus Master Grab * 82 System Data Bit 12 181 Byte High Enable * 83 System Data Bit 11 182 Refresh * 84 System Data Bit 10 183 Ground 85 Ground 184 Interrupt Request 15 86 System Data Bit 9 185 Interrupt Request 14 87 System Data Bit 8 186 Interrupt Request 12 88 System Data Bit 7 187 Ground 89 System Data Bit 6 188 Interrupt Request 11 90 Ground 189 Interrupt Request 10 91 System Data Bit 5 190 Interrupt Request 9 92 System Data Bit 4 191 Interrupt Request 7 93 System Data Bit 3 192 Ground 94 Ground 193 Interrupt Request 6 95 System Data Bit 2 194 Interrupt Request 5 96 System Data Bit 1 195 Interrupt Request 4 97 System Data Bit 0 196 Reserved 98 Ground 197 Interrupt Request 3 99 DMA Terminal Count 198 Sense Computer Present --------------------------------------------------------------------------- * Active low =========================================================================== IMPORTANT: There are differences between the pin-outs for the 198-pin external options connector on the Compaq LTE Elite and the Compaq SmartStation.
Table A-8. Compaq LTE Elite Internal AC Power Supply Output Connector =========================================================================== Pin Signal Pin Signal =========================================================================== 1 +VBatt (18.5V) 3 Reserved 2 Key 4 Ground ===========================================================================
Table A-9. Compaq SmartStation Power Supply Output Connector =========================================================================== Pin Signal Pin Signal =========================================================================== 1 Ground 11 VBatt2 (18.5V) 2 Ground 12 PwrGood 3 Ground 13 VBatt1 (18.5V) 4 Ground 14 PwrOn 5 Ground 15 +12V 6 Ground 16 +12V 7 -5V 17 +5V 8 Ground 18 +5V 9 -12V 19 +5V 10 Ground 20 +5V ===========================================================================
Table A-10. Compaq SmartStation External SCSI-2 Connector =========================================================================== Pin Signal Pin Signal =========================================================================== 1 Ground 26 SCSI Data Bit 0 2 Ground 27 SCSI Data Bit 1 3 Ground 28 SCSI Data Bit 2 4 Ground 29 SCSI Data Bit 3 5 Ground 30 SCSI Data Bit 4 6 Ground 31 SCSI Data Bit 5 7 Ground 32 SCSI Data Bit 6 8 Ground 33 SCSI Data Bit 7 9 Ground 34 SCSI Data Parity 10 Ground 35 Ground 11 Ground 36 Ground 12 Ground 37 Ground 13 Not connected 38 Term Power 14 Ground 39 Ground 15 Ground 40 Ground 16 Ground 41 Attention * 17 Ground 42 Ground 18 Ground 43 Busy * 19 Ground 44 Acknowledge * 20 Ground 45 Reset * 21 Ground 46 Message *
22 Ground 47 Select * 23 Ground 48 Control/Data * 24 Ground 49 Request * 25 Ground 50 Input/Output * =========================================================================== Table A-11. Compaq SmartStation Internal SCSI-2 Connector =========================================================================== Pin Signal Pin Signal =========================================================================== 1 Ground 26 Term Power 2 SCSI Data Bit 0 27 Ground 3 Ground 28 Ground 4 SCSI Data Bit 1 29 Ground 5 Ground 30 Ground 6 SCSI Data Bit 2 31 Ground 7 Ground 32 Attention * 8 SCSI Data Bit 3 33 Ground 9 Ground 34 Ground 10 SCSI Data Bit 4 35 Ground 11 Ground 36 Busy * 12 SCSI Data Bit 5 37 Ground 13 Ground 38 Acknowledge * 14 SCSI Data Bit 6 39 Ground 15 Ground 40 Reset *
16 SCSI Data Bit 7 41 Ground 17 Ground 42 Message * 18 SCSI Data Parity 43 Ground 19 Ground 44 Select * 20 Ground 45 Ground 21 Ground 46 Control/Data * 22 Ground 47 Ground 23 Ground 48 Request * 24 Ground 49 Ground 25 Key 50 Input/Output * =========================================================================== Table A-12. Compaq SmartStation Ethernet AUI Connector =========================================================================== Pin Signal Pin Signal =========================================================================== 1 Ground 9 Collision # 2 Collision 10 Data Transmit # 3 Data Transmit 11 Ground 4 Ground 12 Data Receive # 5 Data Receive 13 +12V 6 Ground 14 Ground 7 Not connected 15 Not connected 8 Ground ===========================================================================
Table A-13. Compaq SmartStation Ethernet RJ-45 Connector =========================================================================== Pin Signal Pin Signal =========================================================================== 1 Data Transmit 5 Not connected 2 Data Transmit # 6 Data Receive # 3 Data Receive 7 Not connected 4 Not connected 8 Not connected ===========================================================================