Intel 440BX Manual&Nbsp;

32 Intel
®
440Bx Scalable Performance Board Development Kit Manual
Hardware Reference
4.5.6 Serial Ports
COM1 is the top connector. COM2 is the bottom connector.
4.5.7 IDE Connector
Table 10. Serial Port Connector Pinout (J4)
Pin Signal Name
1 DCD
2 Serial In (SIN)
3 Serial Out (SOUT)
4DTR
5GND
6DSR
7RTS
8CTS
9RI
Table 11. PCI IDE1 (JP3) and IDE2 (JP4) Connector
Pin Signal Name Pin Signal Name
1 Reset IDE 2 Ground
3 Host Data 7 4 Host Data 8
5 Host Data 6 6 Host Data 9
7 Host Data 5 8 Host Data 10
9 Host Data 4 10 Host Data 11
11 Host Data 3 12 Host Data 12
13 Host Data 2 14 Host Data 13
15 Host Data 1 16 Host Data 14
17 Host Data 0 18 Host Data 15
19 Ground 20 Key
21 DRQ3 22 Ground
23 I/O Write# 24 Ground
25 I/O Read# 26 Ground
27 IOCHRDY 28 BALE
29 DACK3# 30 Ground
31 IRQ14 32 IOCS16#
33 Addr 1 34 Ground
35 Addr 0 36 Addr 2
37 Chip Select 0# 38 Chip Select 1#
39 Activity 40 Ground

Intel 440BX Specifications

General

Brand	Intel
Model	440BX
Category	Motherboard
Language	English