User`s manual

CyberResearch
®
CPU Cards CZGA LX-50
CyberResearch, Inc. 25
25 Business Park Drive P: [phone]; F: [phone]
Branford, CT USA www.cyberresearch.com

Two standard serial ports (COM1 and COM2)
 16-byte send/receive FIFO
 MIDI compatible
One UART is interfaced to a RS-232 serial connector (COM1) and the other is interfaced
to a RS-232/422/485 serial connector (COM2).
2.6.3.3 Super I/O Hardware Monitor Functions
The Super I/O Hardware Monitor monitors internal voltages, system temperature and the
cooling fan speed. All the monitored environmental parameters can be read from the BIOS
Hardware Health Configuration menu.
2.6.3.4 Super I/O Parallel Port
The Super I/O parallel port (LPT) is compatible with the following LPT specifications.
 IBM parallel port compatible
 PS/2 compatible bi-directional parallel port
 Enhanced Parallel Port (EPP) mode supported. Compatible with IEEE 1284
specifications
 Extended Parallel Port (EPP) mode supported. Compatible with IEEE 1284
specifications
 Enhanced printer port back-drive current protection
The parallel port controller is connected to an external DB-26 LPT connector.
2.6.3.5 Super I/O Floppy Disk Drive (FDD) Controller
The Super I/O FDD controller is compatible with the following specifications.
 IBM PC AT disk drive compatible
 Variable write pre-compensation with track selectable capability
 Vertical recording format supported
 DMA logic enabled
 16-byte data FIFOs
 Overrun and under run conditions detected