Re: RAM non riconosciuta
Giuseppe Sacco ha scritto:
On Mon, 03 Dec 2007 20:49:37 +0100 Matteo Piccolo <piccolo.teo@tiscali.it> wrote:
[...]
all'avvio (la schermata prima del boot) mi riconosce i 2giga di ram,
poi quando avvio linux me ne riconosce solo 896M.
"all'avvio" vuol dire che il BIOS ti dice che ci sono 2048mb? Oppure che linux che riconosce 2048 e poi cambia idea?
Oltre a hwinfo, puoi provare dmidecode?
si, all'avvio intendo il bios.
dmidecode pare che riconosca (o almeno mi sembra di capire)....
[...]
Memory Module Information
Socket Designation: DIMM0
Bank Connections: 6 1
Current Speed: 30 ns
Type: ECC DIMM
Installed Size: 1024 MB (Double-bank Connection)
Enabled Size: 1024 MB (Double-bank Connection)
Error Status: OK
Handle 0x0009, DMI type 6, 12 bytes
Memory Module Information
Socket Designation: DIMM1
Bank Connections: 6 1
Current Speed: 30 ns
Type: ECC DIMM
Installed Size: 1024 MB (Double-bank Connection)
Enabled Size: 1024 MB (Double-bank Connection)
Error Status: OK
[...]
Allego anche l'output di dmicode.
# dmidecode 2.9
SMBIOS 2.4 present.
54 structures occupying 2032 bytes.
Table at 0x000F0750.
Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
Vendor: American Megatrends Inc.
Version: 0504
Release Date: 08/08/2006
Address: 0xF0000
Runtime Size: 64 kB
ROM Size: 2048 kB
Characteristics:
ISA is supported
PCI is supported
PNP is supported
APM is supported
BIOS is upgradeable
BIOS shadowing is allowed
ESCD support is available
Boot from CD is supported
Selectable boot is supported
BIOS ROM is socketed
EDD is supported
5.25"/1.2 MB floppy services are supported (int 13h)
3.5"/720 KB floppy services are supported (int 13h)
3.5"/2.88 MB floppy services are supported (int 13h)
Print screen service is supported (int 5h)
8042 keyboard services are supported (int 9h)
Serial services are supported (int 14h)
Printer services are supported (int 17h)
CGA/mono video services are supported (int 10h)
ACPI is supported
USB legacy is supported
LS-120 boot is supported
ATAPI Zip drive boot is supported
BIOS boot specification is supported
BIOS Revision: 8.12
Handle 0x0001, DMI type 1, 27 bytes
System Information
Manufacturer: System manufacturer
Product Name: System Product Name
Version: System Version
Serial Number: System Serial Number
UUID: 2C8F408C-74FE-D511-8F75-7E0417B7C5FF
Wake-up Type: Power Switch
SKU Number: To Be Filled By O.E.M.
Family: To Be Filled By O.E.M.
Handle 0x0002, DMI type 2, 15 bytes
Base Board Information
Manufacturer: ASUSTeK Computer INC.
Product Name: M2V
Version: Rev 1.xx
Serial Number: MB-1234567890
Asset Tag: To Be Filled By O.E.M.
Features:
Board is a hosting board
Board is replaceable
Location In Chassis: To Be Filled By O.E.M.
Chassis Handle: 0x0003
Type: Motherboard
Contained Object Handles: 0
Handle 0x0003, DMI type 3, 21 bytes
Chassis Information
Manufacturer: Chassis Manufacture
Type: Desktop
Lock: Not Present
Version: Chassis Version
Serial Number: Chassis Serial Number
Asset Tag: Asset-1234567890
Boot-up State: Safe
Power Supply State: Safe
Thermal State: Safe
Security Status: None
OEM Information: 0x00000001
Height: Unspecified
Number Of Power Cords: 1
Contained Elements: 0
Handle 0x0004, DMI type 4, 35 bytes
Processor Information
Socket Designation: SOCKET AM2
Type: Central Processor
Family: Athlon 64
Manufacturer: AMD
ID: F2 0F 04 00 FF FB 8B 07
Signature: Family 15, Model 79, Stepping 2
Flags:
FPU (Floating-point unit on-chip)
VME (Virtual mode extension)
DE (Debugging extension)
PSE (Page size extension)
TSC (Time stamp counter)
MSR (Model specific registers)
PAE (Physical address extension)
MCE (Machine check exception)
CX8 (CMPXCHG8 instruction supported)
APIC (On-chip APIC hardware supported)
SEP (Fast system call)
MTRR (Memory type range registers)
PGE (Page global enable)
MCA (Machine check architecture)
CMOV (Conditional move instruction supported)
PAT (Page attribute table)
PSE-36 (36-bit page size extension)
CLFSH (CLFLUSH instruction supported)
MMX (MMX technology supported)
FXSR (Fast floating-point save and restore)
SSE (Streaming SIMD extensions)
SSE2 (Streaming SIMD extensions 2)
Version: AMD Athlon(tm) 64 Processor 3500+
Voltage: 1.5 V
External Clock: 200 MHz
Max Speed: 3000 MHz
Current Speed: 2200 MHz
Status: Populated, Enabled
Upgrade: Socket 939
L1 Cache Handle: 0x0005
L2 Cache Handle: 0x0006
L3 Cache Handle: 0x0007
Serial Number: To Be Filled By O.E.M.
Asset Tag: To Be Filled By O.E.M.
Part Number: To Be Filled By O.E.M.
Handle 0x0005, DMI type 7, 19 bytes
Cache Information
Socket Designation: L1-Cache
Configuration: Enabled, Not Socketed, Level 1
Operational Mode: Varies With Memory Address
Location: Internal
Installed Size: 64 KB
Maximum Size: 64 KB
Supported SRAM Types:
Pipeline Burst
Installed SRAM Type: Pipeline Burst
Speed: Unknown
Error Correction Type: Single-bit ECC
System Type: Data
Associativity: 4-way Set-associative
Handle 0x0006, DMI type 7, 19 bytes
Cache Information
Socket Designation: L2-Cache
Configuration: Enabled, Not Socketed, Level 2
Operational Mode: Varies With Memory Address
Location: Internal
Installed Size: 512 KB
Maximum Size: 512 KB
Supported SRAM Types:
Pipeline Burst
Installed SRAM Type: Pipeline Burst
Speed: Unknown
Error Correction Type: Single-bit ECC
System Type: Unified
Associativity: 4-way Set-associative
Handle 0x0007, DMI type 7, 19 bytes
Cache Information
Socket Designation: L3-Cache
Configuration: Disabled, Not Socketed, Level 3
Operational Mode: Unknown
Location: Internal
Installed Size: 0 KB
Maximum Size: 0 KB
Supported SRAM Types:
Unknown
Installed SRAM Type: Unknown
Speed: Unknown
Error Correction Type: Unknown
System Type: Unknown
Associativity: Unknown
Handle 0x0008, DMI type 6, 12 bytes
Memory Module Information
Socket Designation: DIMM0
Bank Connections: 6 1
Current Speed: 30 ns
Type: ECC DIMM
Installed Size: 1024 MB (Double-bank Connection)
Enabled Size: 1024 MB (Double-bank Connection)
Error Status: OK
Handle 0x0009, DMI type 6, 12 bytes
Memory Module Information
Socket Designation: DIMM1
Bank Connections: 6 1
Current Speed: 30 ns
Type: ECC DIMM
Installed Size: 1024 MB (Double-bank Connection)
Enabled Size: 1024 MB (Double-bank Connection)
Error Status: OK
Handle 0x000A, DMI type 6, 12 bytes
Memory Module Information
Socket Designation: DIMM2
Bank Connections: None
Current Speed: Unknown
Type: Unknown
Installed Size: Not Installed
Enabled Size: Not Installed
Error Status: OK
Handle 0x000B, DMI type 6, 12 bytes
Memory Module Information
Socket Designation: DIMM3
Bank Connections: None
Current Speed: Unknown
Type: Unknown
Installed Size: Not Installed
Enabled Size: Not Installed
Error Status: OK
Handle 0x000C, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: PS/2 Mouse
Internal Connector Type: None
External Reference Designator: PS2Mouse
External Connector Type: PS/2
Port Type: Mouse Port
Handle 0x000D, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: PS/2 Keyboard
Internal Connector Type: None
External Reference Designator: Keyboard
External Connector Type: PS/2
Port Type: Keyboard Port
Handle 0x000E, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: USB1
Internal Connector Type: None
External Reference Designator: USB1
External Connector Type: Access Bus (USB)
Port Type: USB
Handle 0x000F, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: USB2
Internal Connector Type: None
External Reference Designator: USB2
External Connector Type: Access Bus (USB)
Port Type: USB
Handle 0x0010, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: USB3
Internal Connector Type: None
External Reference Designator: USB3
External Connector Type: Access Bus (USB)
Port Type: USB
Handle 0x0011, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: USB4
Internal Connector Type: None
External Reference Designator: USB4
External Connector Type: Access Bus (USB)
Port Type: USB
Handle 0x0012, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: LPT1
Internal Connector Type: None
External Reference Designator: LPT1
External Connector Type: DB-25 female
Port Type: Parallel Port ECP/EPP
Handle 0x0013, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: Audio Line_Out
Internal Connector Type: None
External Reference Designator: Audio Line_Out
External Connector Type: Mini Jack (headphones)
Port Type: Audio Port
Handle 0x0014, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: Audio Line_In
Internal Connector Type: None
External Reference Designator: Audio Line_In
External Connector Type: Mini Jack (headphones)
Port Type: Audio Port
Handle 0x0015, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: Audio Mic_In
Internal Connector Type: None
External Reference Designator: Audio Mic_In
External Connector Type: Mini Jack (headphones)
Port Type: Audio Port
Handle 0x0016, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: LAN1
Internal Connector Type: None
External Reference Designator: LAN1
External Connector Type: RJ-45
Port Type: Network Port
Handle 0x0017, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: PRI IDE
Internal Connector Type: On Board IDE
External Reference Designator: Not Specified
External Connector Type: None
Port Type: Other
Handle 0x0018, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: SEC IDE
Internal Connector Type: On Board IDE
External Reference Designator: Not Specified
External Connector Type: None
Port Type: Other
Handle 0x0019, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: SB_SATA1
Internal Connector Type: On Board IDE
External Reference Designator: Not Specified
External Connector Type: None
Port Type: Other
Handle 0x001A, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: SB_SATA2
Internal Connector Type: On Board IDE
External Reference Designator: Not Specified
External Connector Type: None
Port Type: Other
Handle 0x001B, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: FLOPPY
Internal Connector Type: On Board Floppy
External Reference Designator: Not Specified
External Connector Type: None
Port Type: Other
Handle 0x001C, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: USB5
Internal Connector Type: Access Bus (USB)
External Reference Designator: Not Specified
External Connector Type: None
Port Type: USB
Handle 0x001D, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: USB6
Internal Connector Type: Access Bus (USB)
External Reference Designator: Not Specified
External Connector Type: None
Port Type: USB
Handle 0x001E, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: USB7
Internal Connector Type: Access Bus (USB)
External Reference Designator: Not Specified
External Connector Type: None
Port Type: USB
Handle 0x001F, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: USB8
Internal Connector Type: Access Bus (USB)
External Reference Designator: Not Specified
External Connector Type: None
Port Type: USB
Handle 0x0020, DMI type 9, 13 bytes
System Slot Information
Designation: PCIEx1
Type: 32-bit PCI Express
Current Usage: Available
Length: Long
ID: 13
Characteristics:
3.3 V is provided
Opening is shared
PME signal is supported
Handle 0x0021, DMI type 9, 13 bytes
System Slot Information
Designation: PCIEx16
Type: 32-bit PCI Express
Current Usage: In Use
Length: Long
ID: 11
Characteristics:
3.3 V is provided
Opening is shared
PME signal is supported
Handle 0x0022, DMI type 9, 13 bytes
System Slot Information
Designation: PCI1
Type: 32-bit PCI
Current Usage: Available
Length: Short
ID: 1
Characteristics:
3.3 V is provided
Opening is shared
PME signal is supported
Handle 0x0023, DMI type 9, 13 bytes
System Slot Information
Designation: PCI2
Type: 32-bit PCI
Current Usage: In Use
Length: Short
ID: 2
Characteristics:
3.3 V is provided
Opening is shared
PME signal is supported
Handle 0x0024, DMI type 9, 13 bytes
System Slot Information
Designation: PCI3
Type: 32-bit PCI
Current Usage: Available
Length: Short
ID: 3
Characteristics:
3.3 V is provided
Opening is shared
PME signal is supported
Handle 0x0025, DMI type 9, 13 bytes
System Slot Information
Designation: PCI4
Type: 32-bit PCI
Current Usage: Available
Length: Short
ID: 4
Characteristics:
3.3 V is provided
Opening is shared
PME signal is supported
Handle 0x0026, DMI type 10, 6 bytes
On Board Device Information
Type: Video
Status: Enabled
Description: To Be Filled By O.E.M.
Handle 0x0027, DMI type 11, 5 bytes
OEM Strings
String 1: To Be Filled By O.E.M.
String 2: To Be Filled By O.E.M.
String 3: To Be Filled By O.E.M.
String 4: To Be Filled By O.E.M.
Handle 0x0028, DMI type 13, 22 bytes
BIOS Language Information
Installable Languages: 1
en|US|iso8859-1
Currently Installed Language: en|US|iso8859-1
Handle 0x0029, DMI type 15, 35 bytes
System Event Log
Area Length: 4 bytes
Header Start Offset: 0x0000
Header Length: 2 bytes
Data Start Offset: 0x0002
Access Method: Indexed I/O, one 16-bit index port, one 8-bit data port
Access Address: Index 0x046A, Data 0x046C
Status: Invalid, Not Full
Change Token: 0x00000000
Header Format: No Header
Supported Log Type Descriptors: 6
Descriptor 1: End of log
Data Format 1: OEM-specific
Descriptor 2: End of log
Data Format 2: OEM-specific
Descriptor 3: End of log
Data Format 3: OEM-specific
Descriptor 4: End of log
Data Format 4: OEM-specific
Descriptor 5: End of log
Data Format 5: OEM-specific
Descriptor 6: End of log
Data Format 6: OEM-specific
Handle 0x002A, DMI type 16, 15 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 8 GB
Error Information Handle: Not Provided
Number Of Devices: 4
Handle 0x002B, DMI type 19, 15 bytes
Memory Array Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x0007FFFFFFF
Range Size: 2 GB
Physical Array Handle: 0x002A
Partition Width: 0
Handle 0x002C, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x002A
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 72 bits
Size: 1024 MB
Form Factor: DIMM
Set: None
Locator: DIMM0
Bank Locator: BANK0
Type: DDR2
Type Detail: Synchronous
Speed: 333 MHz (3.0 ns)
Manufacturer: Manufacturer0
Serial Number: SerNum0
Asset Tag: AssetTagNum0
Part Number: PartNum0
Handle 0x002D, DMI type 20, 19 bytes
Memory Device Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x0003FFFFFFF
Range Size: 1 GB
Physical Device Handle: 0x002C
Memory Array Mapped Address Handle: 0x002B
Partition Row Position: 1
Handle 0x002E, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x002A
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 72 bits
Size: 1024 MB
Form Factor: DIMM
Set: None
Locator: DIMM1
Bank Locator: BANK1
Type: DDR2
Type Detail: Synchronous
Speed: 333 MHz (3.0 ns)
Manufacturer: Manufacturer1
Serial Number: SerNum1
Asset Tag: AssetTagNum1
Part Number: PartNum1
Handle 0x002F, DMI type 20, 19 bytes
Memory Device Mapped Address
Starting Address: 0x00040000000
Ending Address: 0x0007FFFFFFF
Range Size: 1 GB
Physical Device Handle: 0x002E
Memory Array Mapped Address Handle: 0x002B
Partition Row Position: 1
Handle 0x0030, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x002A
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: DIMM
Set: None
Locator: DIMM2
Bank Locator: BANK2
Type: Unknown
Type Detail: Unknown
Speed: Unknown
Manufacturer: Manufacturer2
Serial Number: SerNum2
Asset Tag: AssetTagNum2
Part Number: PartNum2
Handle 0x0031, DMI type 126, 19 bytes
Inactive
Handle 0x0032, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x002A
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: DIMM
Set: None
Locator: DIMM3
Bank Locator: BANK3
Type: Unknown
Type Detail: Unknown
Speed: Unknown
Manufacturer: Manufacturer3
Serial Number: SerNum3
Asset Tag: AssetTagNum3
Part Number: PartNum3
Handle 0x0033, DMI type 126, 19 bytes
Inactive
Handle 0x0034, DMI type 32, 20 bytes
System Boot Information
Status: No errors detected
Handle 0x0035, DMI type 127, 4 bytes
End Of Table
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