Dmidecode utility is used to find or view Bios and hardware information about our machine.This article will be very helpful in troubleshooting through your linux machine.It will help you to know the exact information about the device and drivers required for your motherboard.If you want to know exact model of your computer which includes motherboard,processor,hard drive,dvd writter,usb slot,graphics card,network card,bios,manufacturer etc you can easily get all those information using this command.
How to see the Model of Your Computer?
|
1
2
3
|
[root@satish ~]# dmidecode |grep Product Product Name: PI945GCM Product Name: PI945GCM |
If you use only dmidecode command without any other option it will show you the Complete Information it have.
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
[root@satish ~]# dmidecode# dmidecode 2.9SMBIOS 2.5 present.27 structures occupying 1305 bytes.Table at 0x000FD620.Handle 0x0000, DMI type 0, 24 bytesBIOS Information Vendor: American Megatrends Inc. Version: 080012 Release Date: 08/16/2007 Address: 0xF0000 Runtime Size: 64 kB ROM Size: 512 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 Targeted content distribution is supported BIOS Revision: 8.12 |
But if you want to see some specified things you need to put options for that with dmidecode command.
Examlple:
How to see the L1&L2 Caches Related Information present in Your PC.
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
[root@satish ~]# dmidecode -t cache# dmidecode 2.9SMBIOS 2.5 present.</code></span>Cache Information Socket Designation: L1-Cache Configuration: Enabled, Not Socketed, Level 1 Operational Mode: Write Back Location: Internal Installed Size: 64 KB Maximum Size: 64 KB Supported SRAM Types: Other Installed SRAM Type: Other Speed: Unknown Error Correction Type: Parity System Type: Data Associativity: 8-way Set-associativeHandle 0x0006, DMI type 7, 19 bytesCache Information Socket Designation: L2-Cache Configuration: Enabled, Not Socketed, Level 2 Operational Mode: Write Back Location: Internal Installed Size: 1024 KB Maximum Size: 1024 KB Supported SRAM Types: Other Installed SRAM Type: Other Speed: Unknown Error Correction Type: Single-bit ECC System Type: Instruction Associativity: 8-way Set-associativeHandle 0x0007, DMI type 7, 19 bytesCache 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 |
How to see the manufacture name of your Processor?
|
1
2
|
[root@satish ~]# dmidecode -s processor-manufacturerIntel |
How to get the information related to your BIOS?
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
[root@satish ~]# dmidecode -t bios# dmidecode 2.9SMBIOS 2.5 present.Handle 0x0000, DMI type 0, 24 bytesBIOS Information Vendor: American Megatrends Inc. Version: 080012 Release Date: 08/16/2007 Address: 0xF0000 Runtime Size: 64 kB ROM Size: 512 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 Targeted content distribution is supported BIOS Revision: 8.12Handle 0x000D, DMI type 13, 22 bytesBIOS Language Information Installable Languages: 1 en|US|iso8859-1 Currently Installed Language: en|US|iso8859-1 |
How to see the information about memory of your system?
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
[root@satish ~]# dmidecode -t memory# dmidecode 2.9SMBIOS 2.5 present.Handle 0x0008, DMI type 5, 24 bytesMemory Controller Information Error Detecting Method: 64-bit ECC Error Correcting Capabilities: None Supported Interleave: One-way Interleave Current Interleave: One-way Interleave Maximum Memory Module Size: 4096 MB Maximum Total Memory Size: 16384 MB Supported Speeds: Other Supported Memory Types: DIMM SDRAM Memory Module Voltage: 3.3 V Associated Memory Slots: 4 0x0009 0x000A 0x000B 0x000C Enabled Error Correcting Capabilities: NoneHandle 0x0009, DMI type 6, 12 bytesMemory Module Information Socket Designation: DIMM0 Bank Connections: 0 1 Current Speed: Unknown Type: DIMM SDRAM Installed Size: 1024 MB (Double-bank Connection) Enabled Size: 1024 MB (Double-bank Connection) Error Status: OKHandle 0x000A, DMI type 6, 12 bytesMemory Module Information Socket Designation: DIMM1 Bank Connections: 2 3 Current Speed: Unknown Type: DIMM SDRAM Installed Size: Not Installed Enabled Size: Not Installed Error Status: OKHandle 0x000B, DMI type 6, 12 bytesMemory Module Information Socket Designation: DIMM2 Bank Connections: 4 5 Current Speed: Unknown Type: DIMM SDRAM Installed Size: Not Installed Enabled Size: Not Installed Error Status: OKHandle 0x000C, DMI type 6, 12 bytesMemory Module Information Socket Designation: DIMM3 Bank Connections: 6 7 Current Speed: Unknown Type: DIMM SDRAM Installed Size: Not Installed Enabled Size: Not Installed Error Status: OKHandle 0x000F, DMI type 16, 15 bytesPhysical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: None Maximum Capacity: 4 GB Error Information Handle: Not Provided Number Of Devices: 4Handle 0x0011, DMI type 17, 27 bytesMemory Device Array Handle: 0x000F Error Information Handle: Not Provided Total Width: 64 bits Data Width: 64 bits Size: 1024 MB Form Factor: DIMM Set: None Locator: DIMM0 Bank Locator: BANK0 Type: SDRAM Type Detail: Synchronous Speed: Unknown Manufacturer: Manufacturer0 Serial Number: SerNum0 Asset Tag: AssetTagNum0 Part Number: PartNum0Handle 0x0013, DMI type 17, 27 bytesMemory Device Array Handle: 0x000F Error Information Handle: Not Provided Total Width: Unknown Data Width: Unknown Size: No Module Installed Form Factor: DIMM Set: None Locator: DIMM1 Bank Locator: BANK1 Type: Unknown Type Detail: Unknown Speed: Unknown Manufacturer: Manufacturer1 Serial Number: SerNum1 Asset Tag: AssetTagNum1 Part Number: PartNum1Handle 0x0015, DMI type 17, 27 bytesMemory Device Array Handle: 0x000F 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: PartNum2Handle 0x0017, DMI type 17, 27 bytesMemory Device Array Handle: 0x000F 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 |
How to see the information related to your system?
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
[root@satish ~]# dmidecode -t system# dmidecode 2.9SMBIOS 2.5 present.Handle 0x0001, DMI type 1, 27 bytesSystem Information Manufacturer: Kobian Product Name: PI945GCM Version: 1.X Serial Number: 1131 UUID: 00020003-0004-0005-0006-000700080009 Wake-up Type: Power Switch SKU Number: To Be Filled By O.E.M. Family: To Be Filled By O.E.M.Handle 0x000E, DMI type 15, 35 bytesSystem 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-specificHandle 0x0019, DMI type 32, 20 bytesSystem Boot Information Status: No errors detected |
How to see the information related to your system slot?
|
1
2
3
|
[root@satish ~]# dmidecode -t slot# dmidecode 2.9SMBIOS 2.5 present. |
Use -s Option to know some options
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
[root@satish ~]# dmidecode -sdmidecode: option requires an argument -- sString keyword expectedValid string keywords are: bios-vendor bios-version bios-release-date system-manufacturer system-product-name system-version system-serial-number system-uuid baseboard-manufacturer baseboard-product-name baseboard-version baseboard-serial-number baseboard-asset-tag chassis-manufacturer chassis-type chassis-version chassis-serial-number chassis-asset-tag processor-family processor-manufacturer processor-version processor-frequency |
How to see your processor Frequency?
|
1
2
|
[root@satish ~]# dmidecode -s processor-frequency1600 MHz |
How to know your system-uuid?
|
1
2
|
[root@satish ~]# dmidecode -s system-uuid00020003-0004-0005-0006-000700080009 |
How to know Your System Product Name?
|
1
2
|
[root@satish ~]# dmidecode -s system-product-namePI945GCM |
How to know your BIOS VENDOR?
|
1
2
|
[root@satish ~]# dmidecode -s bios-vendorAmerican Megatrends Inc. |
How to know your system serial number?
|
1
2
|
[root@satish ~]# dmidecode -s system-serial-number1131 |
How to know chassis serial number?
|
1
2
|
[root@satish ~]# dmidecode -s chassis-serial-numberTo Be Filled By O.E.M. |
How to see your Processor version?
|
1
2
|
[root@satish ~]# dmidecode -s processor-versionIntel(R) Pentium(R) Dual CPU E2140 @ 1.60GHz |
Learn Linux CCNA CEH IPv6 Cyber-Security Online 
very useful information for me thank you sir
LikeLike
Thanks for your comment.keep reading and if you like these articles keep sharing linuxtiwary.com
LikeLiked by 1 person