VT8601 Via, VT8601 Datasheet - Page 29

• Manufacturer Part Number: VT8601
• Description: Slot-1 / Socket-370 PCI North Bridge
• Manufacturer: Via

Register Overview
The following tables summarize the configuration and I/O
registers of the ProMedia. These tables also document the
power-on default value (“Default”) and access type (“Acc”)
for each register.
(Read/Write), RO (Read/Only), “—” for reserved / used
(essentially the same as RO), and RWC (or just WC) (Read /
Write 1’s to Clear individual bits). Registers indicated as RW
may have some read/only bits that always read back a fixed
value (usually 0 if unused); registers designated as RWC or
WC may have some read-only or read write bits (see
individual register descriptions following these tables for
details).
hexadecimal unless otherwise indicated.
Revision 1.3 September 8, 1999
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:H &
:H &R R QQHFW
All offset and default values are shown
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R
Access type definitions used are RW
EGISTERS
in
-23-
Register Summary Tables
I/O Ports
CFF-C Configuration Data
Port # I/O Port
CFB-8 Configuration Address
22
PCI / AGP Arbiter Disable
Table 2. Register Summary
VT8601 Apollo ProMedia
Register Summary Tables
0000 0000 RW
0000 0000 RW
Default Acc
00
RW