This little diff will add the option of compiling with pentium optimizations (if you have the gcc i2.5.8p compiler). nicholas@neko.binary9.com --- linux-1.1.53_original/config.in Thu Oct 13 17:55:08 1994 +++ linux-1.1.53_work/config.in Thu Oct 13 17:52:59 1994 @@ -11,7 +11,10 @@ bool 'Networking support' CONFIG_NET y bool 'Limit memory to low 16MB' CONFIG_MAX_16M n bool 'System V IPC' CONFIG_SYSVIPC y +bool 'Use -mpentium flag for Pentium-specific optimizations' CONFIG_MPENTIUM n +if [ "$CONFIG_MPENTIUM" = "n" ]; then bool 'Use -m486 flag for 486-specific optimizations' CONFIG_M486 y +fi if [ "$CONFIG_NET" = "y" ]; then comment 'Networking options' --- linux-1.1.53_original/arch/i386/Makefile Wed Aug 17 02:38:43 1994 +++ linux-1.1.53_work/arch/i386/Makefile Thu Oct 13 17:51:58 1994 @@ -22,7 +22,11 @@ ifdef CONFIG_M486 CFLAGS := $(CFLAGS) -m486 else +ifdef CONFIG_MPENTIUM +CFLAGS := $(CFLGAGS) -mpentium +else CFLAGS := $(CFLAGS) -m386 +endif endif zBoot/zSystem: zBoot/*.c zBoot/*.S tools/zSystem