Front Panel I/O Connectivity Design Guide

63
7 Internal Legacy Connectors (Reference)
What This Chapter Contains
7.1 Introduction .................................................................................................................. 63
7.2 Serial-WHQL Debug Connector................................................................................... 63
7.3 Parallel Port Connectors .............................................................................................. 64
7.1 Introduction
This chapter contains electrical connection information for the internal legacy connectors.
7.2 Serial-WHQL Debug Connector
The serial-WHQL debug connector is an internal 9-pin serial port. The connector pins are listed in
Table 25. The port’s NS16C550-compatible UART supports data transfers at speeds up to
115.2 Kbits/sec with BIOS support. The port can be assigned as COM1 (3F8h), COM2 (2F8h),
COM3 (3E8h), or COM4 (2E8h).
7.2.1 Header Design
OM12197
2
1
10
9
Figure 35. Serial-WHQL Debug Connector (Top View)
Manufacturer's Part Number: Wieson Electronic 2100C888-045 (or equivalent)