Datasheet

Technical Reference
41
2.2.2.1 Signal Tables for the Connectors and Headers
Table 12. Serial Port Header (COM 1 and COM 2)
Pin Signal Name Pin Signal Name
1 DCD (Data Carrier Detect) 2 RXD# (Receive Data)
3 TXD# (Transmit Data) 4 DTR (Data Terminal Ready)
5 Ground 6 DSR (Data Set Ready)
7 RTS (Request To Send) 8 CTS (Clear To Send)
9 RI (Ring Indicator) 10 Key (no pin)
Table 13. PS/2 Keyboard Port Header
Pin Signal Name Pin Signal Name
1 Data 2 Key (no pin)
3 Ground 4 +5 V
5 Clock 6 Key (no pin)
Table 14. PATA Connector (44-Pin)
Pin Signal Name Pin Signal Name
1 #Reset 2 GND
3 Data 7 4 Data 8
5 Data 6 6 Data 9
7 Data 5 8 Data 10
9 Data 4 10 Data 11
11 Data 3 12 Data 12
13 Data 2 14 Data 13
15 Data 1 16 Data 14
17 Data 0 18 Data 15
19 GND 20 Key (no pin)
21 DMA Request 22 GND
23 #IOW 24 GND
25 #IOR 26 GND
27 IO Chrdy 28 Cable Select
29 DMA Acknowledge 30 GND
31 IRQ14 32 #IOCS16
33 Addr 1 34 Passed Diagnostics
35 Addr 0 36 Addr 2
37 #CS0 (1F0-1F7) 38 #CS1 (3f6-3f7)
39 #Active (LED driver) 40 GND
41 +5V_DC (logic) 42 +5V_DC (motor)
43 GND 44 Type (GND = ATA)