SPC8104 S-MOS Systems, SPC8104 Datasheet - Page 217

• Manufacturer Part Number: SPC8104
• Description: VGA LCD CONTROLLER
• Manufacturer: S-MOS Systems

1.0
READCHIP is an OEM utility program which enables the user to read the VGA register contents,
lower BIOS data area and video RAM. It is a useful utility for OEMs wishing to submit a problem
report for the video controller. If run with a Seiko Epson BIOS, it will try to interpret the BIOS set-
tings.
1.1
1.2
Copy the file readchip.exe from the installation diskette to a directory on your hard drive which is
in the DOS path.
1.3
From DOS prompt, type the following:
readchip
Graphics Controller, Attribute Controller, Sequencer, Auxiliary Registers and other General Reg-
isters.
/d
To generate a report, simply type
and the information which READCHIP obtains from the video controller will be stored in the file
report.txt.
SPC8104
1. READCHIP uses “stdout” calls and may be redirected to a file or piped to a DOS filter such
as
2. READCHIP works, but the value it reads may not be correct. This is because the VDD has
readchip [/d]
412-1.0
Video Controller
Display Type
BIOS
DOS Program
DOS Version
Windows Program
Windows DOS Box
Windows DOS Full Screen : Yes, Windows 3.1x and Windows 95
OS/2 DOS Full Screen
readchip /d > report.txt
MORE.COM.
virtualized the CRTC port (i.e., in a Windows DOS box the DOS text mode is emulated with
graphics).
DOCUMENT TITLE VARIABLE
Program Requirements
Installation
Usage
S-MOS Systems, Inc. • Tel: [phone] • Fax: [phone] • http://www.smos.com
without any argument will read the Lower BIOS Data Area, CRT Controller,
option will read the DAC Registers (color look up table).
: Any VGA
: LCD
: Any manufacturer’s IBM compatible VGA BIOS
: Yes
: 3.0 or greater
: No
: Yes, Windows 3.1x and Windows 95 (Note 2.)
: Yes
READCHIP.EXE Diagnostic Utility
UY6-3