Date: Sat, 19 Jun 2010 19:52:18 +0200 From: Andreas Tobler <andreast-list@fgznet.ch> To: Andrey Fesenko <f0andrey@gmail.com> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: only 3 of 4GB memory available on amd64 8.1-RC1 Message-ID: <4C1D03D2.9090805@fgznet.ch> In-Reply-To: <AANLkTinQr1jHad2t_2l7Gx5nA31Y7ziht4e64zqWYlSi@mail.gmail.com> References: <4C1CFB72.5000806@fgznet.ch> <AANLkTinQr1jHad2t_2l7Gx5nA31Y7ziht4e64zqWYlSi@mail.gmail.com>
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On 19.06.10 19:27, Andrey Fesenko wrote: > On Sat, Jun 19, 2010 at 9:16 PM, Andreas Tobler<andreast-list@fgznet.ch> wrote: >> Hi all, >> >> I got my hands on a t60 with 4GB of RAM (BIOS displays it) >> >> And I installed 8.1-RC1 on it: >> >> FreeBSD 8.1-RC1 #0: Mon Jun 14 13:40:28 UTC 2010 >> root@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 >> Timecounter "i8254" frequency 1193182 Hz quality 0 >> CPU: Intel(R) Core(TM)2 CPU T5600 @ 1.83GHz (1828.76-MHz K8-class >> CPU) >> Origin = "GenuineIntel" Id = 0x6f6 Family = 6 Model = f Stepping = 6 >> >> Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> >> Features2=0xe3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM> >> AMD Features=0x20100800<SYSCALL,NX,LM> >> AMD Features2=0x1<LAHF> >> TSC: P-state invariant >> real memory = 4294967296 (4096 MB) >> avail memory = 3092344832 (2949 MB) >> ACPI APIC Table:<LENOVO TP-79> >> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs >> FreeBSD/SMP: 1 package(s) x 2 core(s) >> cpu0 (BSP): APIC ID: 0 >> cpu1 (AP): APIC ID: 1 >> >> >> >> Do I need to configure something special to get the full 4GB of memory? >> >> I only found the PAE hint, but this is for x86 machines, right? >> > I think this BIOS specific, may be video rezerv > > > FreeBSD 9.0-CURRENT #0 r208284: Wed May 19 09:34:15 MSD 2010 > andrey@my_book:/home/andrey/obj/obj/home/andrey/src_head/sys/MY_BOOK amd64 > WARNING: WITNESS option enabled, expect reduced performance. > Timecounter "i8254" frequency 1193182 Hz quality 0 > CPU: Intel(R) Core(TM)2 CPU T5600 @ 1.83GHz (1828.77-MHz K8-class CPU) > Origin = "GenuineIntel" Id = 0x6f2 Family = 6 Model = f Stepping = 2 > Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> > Features2=0xe3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM> > AMD Features=0x20100800<SYSCALL,NX,LM> > AMD Features2=0x1<LAHF> > TSC: P-state invariant > real memory = 4294967296 (4096 MB) > avail memory = 3339923456 (3185 MB) Thanks. I'll explore the bios a bit more then. Andreas
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