Intel 440BX

Intel
®
440Bx Scalable Performance Board Development Kit Manual 31
Hardware Reference
4.5.4 Mouse and Keyboard Connectors
The keyboard port is on top. The mouse port is on the bottom.
4.5.5 Parallel Port
Table 8. Keyboard and Mouse Connector Pinouts (J1 on the Baseboard)
Pin Signal Name
1Data
2 No Connect
3 Ground
4 +5 V (fused)
5Clock
6 No Connect
Table 9. DB25 Parallel Port Connector Pinout (J3)
Pin
Signal
Name
Pin
Signal
Name
1 Strobe# 14 Auto Feed#
2 Data Bit 0 15 Fault#
3 Data Bit 1 16 INIT#
4 Data Bit 2 17 SLCT IN#
5 Data Bit 3 18 Ground
6 Data Bit 4 19 Ground
7 Data Bit 5 20 Ground
8 Data Bit 6 21 Ground
9 Data Bit 7 22 Ground
10 ACK# 23 Ground
11 Busy 24 Ground
12 Paper end 25 Ground
13 SLCT