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Explain that MAXMEM maynot be nessicary for detection of >64MB RAM.

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David E. O'Brien 1997-12-31 21:46:17 +00:00
parent a4264dce8c
commit 9bc192de1d
3 changed files with 24 additions and 15 deletions
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13
sys/conf/NOTES
View file

@ -2,7 +2,7 @@
# LINT -- config file for checking all the sources, tries to pull in
# as much of the source tree as it can.
#
# $Id: LINT,v 1.388 1997/12/28 00:28:46 jkh Exp $
# $Id: LINT,v 1.389 1997/12/28 13:35:59 phk Exp $
#
# NB: You probably don't want to try running a kernel built from this
# file. Instead, you should start from GENERIC, and add options from
@ -634,10 +634,13 @@ controller isa0
# Some broken EISA and VLB hardware may need this, too.
#
# MAXMEM specifies the amount of RAM on the machine; if this is not
# specified, FreeBSD will read the amount of memory from the CMOS RAM,
# so the amount of memory will be limited to 64MB or 16MB depending on
# the BIOS. The amount is in kilobytes, so for a machine with 128MB of
# RAM, it would be 131072 (128 * 1024).
# specified, FreeBSD will first read the amount of memory from the CMOS
# RAM, so the amount of memory will initially be limited to 64MB or 16MB
# depending on the BIOS. If the BIOS reports 64MB, a memory probe will
# then attempt to detect the installed amount of RAM. If this probe
# fails to detect >64MB RAM you will have to use the MAXMEM option.
# The amount is in kilobytes, so for a machine with 128MB of RAM, it would
# be 131072 (128 * 1024).
#
# TUNE_1542 enables the automatic ISA bus speed selection for the
# Adaptec 1542 boards. Does not work for all boards, use it with caution.

13
sys/i386/conf/LINT
View file

@ -2,7 +2,7 @@
# LINT -- config file for checking all the sources, tries to pull in
# as much of the source tree as it can.
#
# $Id: LINT,v 1.388 1997/12/28 00:28:46 jkh Exp $
# $Id: LINT,v 1.389 1997/12/28 13:35:59 phk Exp $
#
# NB: You probably don't want to try running a kernel built from this
# file. Instead, you should start from GENERIC, and add options from
@ -634,10 +634,13 @@ controller isa0
# Some broken EISA and VLB hardware may need this, too.
#
# MAXMEM specifies the amount of RAM on the machine; if this is not
# specified, FreeBSD will read the amount of memory from the CMOS RAM,
# so the amount of memory will be limited to 64MB or 16MB depending on
# the BIOS. The amount is in kilobytes, so for a machine with 128MB of
# RAM, it would be 131072 (128 * 1024).
# specified, FreeBSD will first read the amount of memory from the CMOS
# RAM, so the amount of memory will initially be limited to 64MB or 16MB
# depending on the BIOS. If the BIOS reports 64MB, a memory probe will
# then attempt to detect the installed amount of RAM. If this probe
# fails to detect >64MB RAM you will have to use the MAXMEM option.
# The amount is in kilobytes, so for a machine with 128MB of RAM, it would
# be 131072 (128 * 1024).
#
# TUNE_1542 enables the automatic ISA bus speed selection for the
# Adaptec 1542 boards. Does not work for all boards, use it with caution.

13
sys/i386/conf/NOTES
View file

@ -2,7 +2,7 @@
# LINT -- config file for checking all the sources, tries to pull in
# as much of the source tree as it can.
#
# $Id: LINT,v 1.388 1997/12/28 00:28:46 jkh Exp $
# $Id: LINT,v 1.389 1997/12/28 13:35:59 phk Exp $
#
# NB: You probably don't want to try running a kernel built from this
# file. Instead, you should start from GENERIC, and add options from
@ -634,10 +634,13 @@ controller isa0
# Some broken EISA and VLB hardware may need this, too.
#
# MAXMEM specifies the amount of RAM on the machine; if this is not
# specified, FreeBSD will read the amount of memory from the CMOS RAM,
# so the amount of memory will be limited to 64MB or 16MB depending on
# the BIOS. The amount is in kilobytes, so for a machine with 128MB of
# RAM, it would be 131072 (128 * 1024).
# specified, FreeBSD will first read the amount of memory from the CMOS
# RAM, so the amount of memory will initially be limited to 64MB or 16MB
# depending on the BIOS. If the BIOS reports 64MB, a memory probe will
# then attempt to detect the installed amount of RAM. If this probe
# fails to detect >64MB RAM you will have to use the MAXMEM option.
# The amount is in kilobytes, so for a machine with 128MB of RAM, it would
# be 131072 (128 * 1024).
#
# TUNE_1542 enables the automatic ISA bus speed selection for the
# Adaptec 1542 boards. Does not work for all boards, use it with caution.