Bios Specification; Bios Support - NEC Versa 550 Series Service Manual

2-14 NEC Versa 550 Specifications

BIOS Specification

The following table lists BIOS specifications.
Floppy Disk Drive
Hard Disk Drive
VGA Display
Serial Port
Parallel Port
Shadow & Cache
PCMCIA
External Device
Support
APM
UM8486F Support
Table Section 2-18 BIOS Support
Support standard 3.5" FDD
Support 720KB and 1.44MB Modes
Support standard IDE Hard Disk
Auto-detect IDE capacity
Support LBA mode for larger capacity
Use 40KB C&T 65545 VGA BIOS to support monitor Sense for
Auto Display
Super VGA Function Call
Emulation Mode
C&T 65545 VGA BIOS support following features:
Display to CRT/LCD/Simultaneous
Text Vertical Stretching
Graphic Vertical Stretching
Maximum Contrast
Support Standard COM Port Address
Support Standard Printer Port Address
Always enable the Shadow for VGA and System BIOS
Support CPU L1 Cache with write-back function
Phoenix PCM Plus provided for supported UMC UM8365F and
UM8366F chips
PCMCIA 2.1 Spec Compliant
Interface of external PS/2 mouse and external keyboard
The internal T/B will be disabled while external PS/2 mouse is
connected
Supports APM 1.1 Specification
Support Auto Power Saving (APR Mode)