reg-688000-15_programmers_guide_to_the_mach32_registers(1).pdf

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Programmer's Guide
to the
mach32
Registers
Information in this document is
proprietary
and
confidential.
Technical Reference Manuals
P/N: REG688000-15
ATI Technologies Inc.
3761 Victoria Park Ave.
Scarborough, Ontario
Canada M1 W 3S2
User Support:
Offices:
Fax:
BBS:
416-756-0711
416-756-0718
416-756-0720
416-756-4591
Perfecting
the
PC
P/N: REG688000-15
Release 1.5
©Copyright 1992, 1993
ATI Technologies, Inc.
The infonnation contained in this document has been carefully checked and is believed to
be entirely reliable. No responsibility is assumed for inaccuracies. ATI reserves the right
to make changes at any time to improve design and supply the best product possible.
All rights reserved. This document is subject to change without notice and is not to
be
reproduced or distributed in any form or by any means without prior permission in
writing from
A TI
Technologies Inc.
ATI,
VGA
Wonder, machB, mach32,
8514■UL
TRA, GRAPHICS ULTRA,
GRAPHICS VANTAGE, GRAPHICS ULTRA+,
and
GRAPHICS ULTRA PRO
are
trademarks of ATI Technologies Inc. All other trademarks and product names are
properties of their respective owners.
9320
System Publications Index
System Publications Index
I
User Manuals
I
I
Technical Manuals
•Graphics Accelerators
User's Guide
•Graphics Ultra Pro
User's Guide
•Graphics Ultra
+
User's Guide
•mach32 Graphics
Controller Specifications
(GCS688xxx-xx)
•Programmer's Guide to
the
mach32
Registers
(REG688000-xx)
•Graphics Accelerators
and VGA BIOS Kits
(BIO688000-xx)
•Programmer's Guide to
the
mach32
Adapter
Interface
(AIF688000-xx)
©
1993 AT/ Technologies Inc.
Proprietary and Confidential
REG68B000-15
iii
Record of Revisions
Record of Revisions
1.0
1.1
1.2
1.21
1.3
1.4
92-06
92-06
92-07
92-12
93-03
93-03
93-05
Original release.
Reprinted with minor, typographical changes.
Reprinted with minor, typographical changes.
Registers 46E8h-W, 12EEh-R, 16EEh-R revised.
Reprinted with minor, typographical changes.
ATI68800 "LX", "-6" and "AX" updates.
PCI updates - 22EE-RW, 32EE-RW, 36EE-RW,
5EEE-RW, 62EE-W, 6AEE-RW, and configuration registers.
1.5
REG688000-15
iv
©
1993 AT/ Technologies Inc.
Proprietary and Confidential
Table of Contents
PARTI
1.
Introduction
. . .
.
1-1
About This Manual .
Features
Notation Convention
2.
Programmer's Overview
1-1
1-1
1-3
.
....
.
2-1
Oveiview.
Power On Setup Registers
PCI Configuration Registers
2-1
2-3
2-8
PART
II
3.
VGA Controller
.
Overview.
Functional Blocks
Address Decoder
.
. . .
0
. . . . . .
.
.
.
. . .
.
.
3-1
Sequencer Controller
CRT Controller
Graphics Controller
Attribute Controller
VGA Display Modes
VGA Alphanumeric Modes
(A/N) .
VGA Graphics Modes (APA) .
Display Mode Specifications
4.
VGA Memory Organization .
3-1
3-3
3-3
3-3
3-4
3-4
3-4
3-4
3-5
3-7
3-10
.
.
.
.
.
.
. .
.
. .
.
.
.
4-1
Oveiview.
Memory Maps .
4-1
4-2
5-1
5-1
5.
VGA-Compatible Registers .
Oveiview.
@
1993 AT/ Technologies Inc.
Proprietary and Confidential
REG688000-15
V

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