Parallel Port; Usb - HP P5389A - Intel Pentium III-S 1.4 GHz Processor Upgrade Maintenance Manual

Chapter 2

Parallel Port

Pin Number
1
2
3
4
5
6
7
8
9
a. All data bits are sent to a printer in an 8-bit parallel format.
b. The signal is active low.

USB

NOTE
Use of the USB port is supported for printers, scanners, and external modems.
8
1
2
3
4
5
6
7
8
9
10
11
12
13
Signal Description
Strobe5
Data bit 06
Data bit 1 a
Data bit 2 a
Data bit 3 a
Data bit 4 a
Data bit 5 a
Data bit 6 a
Data bit 7 a
1
2
3
4
Pin Number
1
2
3
4
14
15
16
17
18
19
20
21
22
23
24
25
Pin Number
10
11
12
13
14
15
16
17
18-25
1
2
3
4
Signal Description
VBUS
D+
D-
GND
External Connectors
Signal Description
Acknowledge b
Busy
Paper end
Select
Auto line feed b
Error1
Initialize printer b
Select in b
Signal ground