4 GB RAM but can only see 3 GB (HP 380)

[Simon]

BIOS shouldn't eat entire gig of RAM, never heard this until now, that's some poor design.

-Simon

On Fri, 04 Nov 2005 13:04:14 -0500, Lanny Baron wrote:

>When you go to 4gb of memory in this type of Server Board the bios will 
>suck up about 1gb. If you put in 3gb it should be using 8mb. If you need 
>  more than 4gb, wrong Server.
>Regards,
>+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
>Lanny Baron
>
>Providing High Performance Rackmount Servers
>and RAID Storage Systems to the Open Source
>Community since 1999
>
>Toll Free: 1.877.963.1900
>http://www.FreeBSDsystems.COM
>+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
>
>
>Palle Girgensohn wrote:
>> Hi!
>> 
>> Two different customers have bought a HP 380 server each, both with 4 GB 
>> RAM, but FreeBSD can only see three of them. BIOS counts to 4 GB. I've 
>> tried PAE, but it doesn't help. Any tips how I can make use of the last 
>> 1GB?
>> 
>> Both are SMP, dual Xeon CPU's.
>> 
>> 
>> Copyright (c) 1992-2005 The FreeBSD Project.
>> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
>>        The Regents of the University of California. All rights reserved.
>> FreeBSD 5.4-RELEASE-p6 #2: Thu Aug 25 03:49:30 CEST 2005
>>    girgen at pingpong.hj.se:/usr/obj/usr/src/sys/HJKERNEL
>> Timecounter "i8254" frequency 1193182 Hz quality 0
>> CPU: Intel(R) Xeon(TM) CPU 3.40GHz (3400.14-MHz 686-class CPU)
>>  Origin = "GenuineIntel"  Id = 0xf43  Stepping = 3
>> 
>> 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> 
>> 
>>  Hyperthreading: 2 logical CPUs
>> real memory  = 3221172224 (3071 MB)
>> avail memory = 3150819328 (3004 MB)
>> ACPI APIC Table: <HP     00000083>
>> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
>> cpu0 (BSP): APIC ID:  0
>> cpu1 (AP): APIC ID:  6
>> ioapic0 <Version 2.0> irqs 0-23 on motherboard
>> ioapic1 <Version 2.0> irqs 24-47 on motherboard
>> ioapic2 <Version 2.0> irqs 48-71 on motherboard
>> ioapic3 <Version 2.0> irqs 72-95 on motherboard
>> ioapic4 <Version 2.0> irqs 96-119 on motherboard
>> npx0: <math processor> on motherboard
>> npx0: INT 16 interface
>> acpi0: <HP P51> on motherboard
>> acpi0: Power Button (fixed)
>> Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000
>> acpi_timer0: <24-bit timer at 3.579545MHz> port 0x908-0x90b on acpi0
>> cpu0: <ACPI CPU> on acpi0
>> cpu1: <ACPI CPU> on acpi0
>> pcib0: <ACPI Host-PCI bridge> on acpi0
>> pci0: <ACPI PCI bus> on pcib0
>> pcib1: <ACPI PCI-PCI bridge> at device 2.0 on pci0
>> pci2: <ACPI PCI bus> on pcib1
>> pcib2: <ACPI PCI-PCI bridge> at device 0.0 on pci2
>> pci3: <ACPI PCI bus> on pcib2
>> bge0: <Broadcom BCM5704C Dual Gigabit Ethernet, ASIC rev. 0x2100> mem 
>> 0xfdef0000-0xfdefffff irq 25 at device 1.0 on pci3
>> miibus0: <MII bus> on bge0
>> brgphy0: <BCM5704 10/100/1000baseTX PHY> on miibus0
>> brgphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX, 
>> 1000baseTX-FDX, auto
>> bge0: Ethernet address: 00:13:21:6b:77:51
>> bge1: <Broadcom BCM5704C Dual Gigabit Ethernet, ASIC rev. 0x2100> mem 
>> 0xfdee0000-0xfdeeffff irq 26 at device 1.1 on pci3
>> miibus1: <MII bus> on bge1
>> brgphy1: <BCM5704 10/100/1000baseTX PHY> on miibus1
>> brgphy1:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX, 
>> 1000baseTX-FDX, auto
>> bge1: Ethernet address: 00:13:21:6b:77:50
>> pcib3: <ACPI PCI-PCI bridge> at device 0.2 on pci2
>> pci4: <ACPI PCI bus> on pcib3
>> ciss0: <HP Smart Array 6i> port 0x4000-0x40ff mem 
>> 0xfdf80000-0xfdfbffff,0xfdff0000-0xfdff1fff irq 51 at device 3.0 on pci4
>> pcib4: <ACPI PCI-PCI bridge> at device 6.0 on pci0
>> pci5: <ACPI PCI bus> on pcib4
>> pcib5: <ACPI PCI-PCI bridge> at device 0.0 on pci5
>> pci6: <ACPI PCI bus> on pcib5
>> pcib6: <ACPI PCI-PCI bridge> at device 0.2 on pci5
>> pci10: <ACPI PCI bus> on pcib6
>> uhci0: <Intel 82801EB (ICH5) USB controller USB-A> port 0x2000-0x201f 
>> irq 16 at device 29.0 on pci0
>> usb0: <Intel 82801EB (ICH5) USB controller USB-A> on uhci0
>> usb0: USB revision 1.0
>> uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
>> uhub0: 2 ports with 2 removable, self powered
>> uhci1: <Intel 82801EB (ICH5) USB controller USB-B> port 0x2020-0x203f 
>> irq 19 at device 29.1 on pci0
>> usb1: <Intel 82801EB (ICH5) USB controller USB-B> on uhci1
>> usb1: USB revision 1.0
>> uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
>> uhub1: 2 ports with 2 removable, self powered
>> uhci2: <Intel 82801EB (ICH5) USB controller USB-C> port 0x2040-0x205f 
>> irq 18 at device 29.2 on pci0
>> usb2: <Intel 82801EB (ICH5) USB controller USB-C> on uhci2
>> usb2: USB revision 1.0
>> uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
>> uhub2: 2 ports with 2 removable, self powered
>> uhci3: <Intel 82801EB (ICH5) USB controller USB-D> port 0x2060-0x207f 
>> irq 16 at device 29.3 on pci0
>> usb3: <Intel 82801EB (ICH5) USB controller USB-D> on uhci3
>> usb3: USB revision 1.0
>> uhub3: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
>> uhub3: 2 ports with 2 removable, self powered
>> pci0: <serial bus, USB> at device 29.7 (no driver attached)
>> pcib7: <ACPI PCI-PCI bridge> at device 30.0 on pci0
>> pci1: <ACPI PCI bus> on pcib7
>> pci1: <display, VGA> at device 3.0 (no driver attached)
>> pci1: <base peripheral> at device 4.0 (no driver attached)
>> pci1: <base peripheral> at device 4.2 (no driver attached)
>> isab0: <PCI-ISA bridge> at device 31.0 on pci0
>> isa0: <ISA bus> on isab0
>> atapci0: <Intel ICH5 UDMA100 controller> port 
>> 0x500-0x50f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on pci0
>> ata0: channel #0 on atapci0
>> ata1: channel #1 on atapci0
>> acpi_tz0: <Thermal Zone> on acpi0
>> atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
>> atkbd0: <AT Keyboard> irq 1 on atkbdc0
>> kbd0 at atkbd0
>> psm0: <PS/2 Mouse> irq 12 on atkbdc0
>> psm0: model Generic PS/2 mouse, device ID 0
>> sio0: <Standard PC COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
>> sio0: type 16550A
>> fdc0: <floppy drive controller (FDE)> port 0x3f2-0x3f5 irq 6 drq 2 on acpi0
>> fd0: <1440-KB 3.5" drive> on fdc0 drive 0
>> orm0: <ISA Option ROMs> at iomem 
>> 0xee000-0xeffff,0xc8000-0xcbfff,0xc0000-0xc7fff on isa0
>> pmtimer0 on isa0
>> ppc0: parallel port not found.
>> sc0: <System console> at flags 0x100 on isa0
>> sc0: VGA <16 virtual consoles, flags=0x300>
>> sio1 at port 0x2f8-0x2ff irq 3 on isa0
>> sio1: type 16550A
>> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
>> Timecounters tick every 10.000 msec
>> acd0: DVDROM <DV-28E-N/C.6B> at ata0-master PIO4
>> da0 at ciss0 bus 0 target 0 lun 0
>> da0: <COMPAQ RAID 5  VOLUME OK> Fixed Direct Access SCSI-0 device
>> da0: 135.168MB/s transfers
>> da0: 138919MB (284506560 512 byte sectors: 255H 32S/T 34866C)
>> SMP: AP CPU #1 Launched!
>> Mounting root from ufs:/dev/da0s1a
>> 
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