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# $OpenBSD: DISKLESS,v 1.18 2001/03/08 03:37:20 itojun Exp $
# $NetBSD: DISKLESS,v 1.12.4.1 1996/08/19 23:35:03 gwr Exp $
#
# DISKLESS Sun3 (3/50, 3/60, 3/110, 3/160, 3/260)
# Root and swap on NFS (no choice)
# Includes devices needed to run as an X-terminal
# machine architecture; required by config(8)
machine sun3 m68k
include "../../../conf/GENERIC"
# Options for some specific Sun3 models
option FPU_EMULATE # for 3/50 models without FPU
option HAVECACHE # for 3/260 VAC
maxusers 4 # estimated number of users
config bsd root on nfs swap on nfs
# The root node:
mainbus0 at root
# device space
obio0 at mainbus?
# main memory
obmem0 at mainbus?
# VME D16 space
vmes0 at mainbus?
# VME D32 space
vmel0 at mainbus?
# Devices that should be present in any Sun3 kernel.
# OBIO
zsc0 at obio0 addr 0x000000
zsc1 at obio0 addr 0x020000
eeprom0 at obio0 addr 0x040000
clock0 at obio0 addr 0x060000
memerr0 at obio0 addr 0x080000
intreg0 at obio0 addr 0x0A0000
#
# Serial ports
#
zstty0 at zsc1 channel 0 # ttya
zstty1 at zsc1 channel 1 # ttyb
kbd0 at zsc0 channel 0 # keyboard
ms0 at zsc0 channel 1 # mouse
#
# Network devices
#
# Intel Ethernet (onboard, or VME)
ie0 at obio0 addr 0x0C0000 level 3
ie1 at vmes0 addr 0xffe88000 level 3 vect 0x75
# Lance Ethernet (only onboard)
le0 at obio0 addr 0x120000 level 3
# All Sun3 machines with an "le" (3/50, 3/60) should be
# presumed to have the old, buggy LANCE chip. (Rev. C)
options LANCE_REVC_BUG
#
# Frame buffer devices
#
# The default cgfour address depends on the machine:
# 3/60: obmem 0xFF200000 .. 0xFF9fffff
# 3/110: different? (not tested)
cgfour0 at obmem0 addr ?
# 3/60 P4 accelerated 8-bit color frame buffer
# cgsix0 at obmem0 addr ?
# 3/60 P4 24-bit color frame buffer
# cgeight0 at obmem0 addr ?
# The default bwtwo address depends on the machine:
# 3/50: obmem 0x100000
# else: obmem 0xff000000
bwtwo0 at obmem0 addr ?
# 3/60 P4 color frame buffer overlay plane, or P4 monochrome frame buffer
#bwtwo1 at obmem0 addr 0xff300000
# 3/60 plug-in color frame buffer overlay plane
#bwtwo1 at obmem0 addr 0xff400000
# Sun-3 color board, or CG5 8-bit VME frame buffer.
cgtwo0 at vmes0 addr 0xff400000 level 4 vect 0xA8
# Support for the CG9 24-bit VME frame buffer.
# cgnine0 at vmel0 addr 0x08000000
# Networking options
# XXX - Work-around for root on slow SunOS/Sun3 servers (sigh...)
option NFS_BOOT_RWSIZE=1024
# Compatibility options
option COMPAT_SUNOS # can run SunOS 4.1.1 executables
# Sun3-specific debugging options
option PMAP_DEBUG
#option VMFAULT_TRACE
#option SYSCALL_DEBUG
#option EXEC_DEBUG
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