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I found an old HP 530 laptop and am planning to upgrade it with an SSD and new RAM to give it to my little brother for his schools tasks.

I executed the dmidecode command to know the sistem specs and I got the following output:

Handle 0x000A, DMI type 16, 15 bytes
Physical Memory Array
    Location: System Board Or Motherboard
    Use: System Memory
    Error Correction Type: None
    Maximum Capacity: 4 GB
    Error Information Handle: No Error
    Number Of Devices: 2

Handle 0x000B, DMI type 17, 27 bytes
Memory Device
    Array Handle: 0x000A
    Error Information Handle: No Error
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 1024 MB
    Form Factor: SODIMM
    Set: None
    Locator: DIMM #1
    Bank Locator: Not Specified
    Type: DDR2
    Type Detail: Synchronous
    Speed: 975 MT/s
    Manufacturer: 7F7FFE0000000000
    Serial Number: 5CB5368D
    Asset Tag: Not Specified
    Part Number: EBE10UE8AFSA-8G-F 

Handle 0x000C, DMI type 17, 27 bytes
Memory Device
    Array Handle: 0x000A
    Error Information Handle: No Error
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 1024 MB
    Form Factor: SODIMM
    Set: None
    Locator: DIMM #2
    Bank Locator: Not Specified
    Type: DDR2
    Type Detail: Synchronous
    Speed: 667 MT/s
    Manufacturer: CE00000000000000
    Serial Number: F405601E
    Asset Tag: Not Specified
    Part Number: M4 70T2953CZ3-CE6 

Handle 0x000D, DMI type 19, 15 bytes
Memory Array Mapped Address
    Starting Address: 0x00000000000
    Ending Address: 0x0007FFFFFFF
    Range Size: 2 GB
    Physical Array Handle: 0x000A
    Partition Width: 2

Handle 0x000E, DMI type 20, 19 bytes
Memory Device Mapped Address
    Starting Address: 0x00000000000
    Ending Address: 0x0003FFFFFFF
    Range Size: 1 GB
    Physical Device Handle: 0x000B
    Memory Array Ma    Handle 0x000A, DMI type 16, 15 bytes
Physical Memory Array
    Location: System Board Or Motherboard
    Use: System Memory
    Error Correction Type: None
    Maximum Capacity: 4 GB
    Error Information Handle: No Error
    Number Of Devices: 2

Handle 0x000B, DMI type 17, 27 bytes
Memory Device
    Array Handle: 0x000A
    Error Information Handle: No Error
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 1024 MB
    Form Factor: SODIMM
    Set: None
    Locator: DIMM #1
    Bank Locator: Not Specified
    Type: DDR2
    Type Detail: Synchronous
    Speed: 975 MT/s
    Manufacturer: 7F7FFE0000000000
    Serial Number: 5CB5368D
    Asset Tag: Not Specified
    Part Number: EBE10UE8AFSA-8G-F 

Handle 0x000C, DMI type 17, 27 bytes
Memory Device
    Array Handle: 0x000A
    Error Information Handle: No Error
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 1024 MB
    Form Factor: SODIMM
    Set: None
    Locator: DIMM #2
    Bank Locator: Not Specified
    Type: DDR2
    Type Detail: Synchronous
    Speed: 667 MT/s
    Manufacturer: CE00000000000000
    Serial Number: F405601E
    Asset Tag: Not Specified
    Part Number: M4 70T2953CZ3-CE6 

Handle 0x000D, DMI type 19, 15 bytes
Memory Array Mapped Address
    Starting Address: 0x00000000000
    Ending Address: 0x0007FFFFFFF
    Range Size: 2 GB
    Physical Array Handle: 0x000A
    Partition Width: 2

Handle 0x000E, DMI type 20, 19 bytes
Memory Device Mapped Address
    Starting Address: 0x00000000000
    Ending Address: 0x0003FFFFFFF
    Range Size: 1 GB
    Physical Device Handle: 0x000B
    Memory Array Mapped Address Handle: 0x000D
    Partition Row Position: 1

Handle 0x000F, DMI type 20, 19 bytes
Memory Device Mapped Address
    Starting Address: 0x00040000000
    Ending Address: 0x0007FFFFFFF
    Range Size: 1 GB
    Physical Device Handle: 0x000C
    Memory Array Mapped Address Handle: 0x000D
    Partition Row Position: 2pped Address Handle: 0x000D
    Partition Row Position: 1

Handle 0x000F, DMI type 20, 19 bytes
Memory Device Mapped Address
    Starting Address: 0x00040000000
    Ending Address: 0x0007FFFFFFF
    Range Size: 1 GB
    Physical Device Handle: 0x000C
    Memory Array Mapped Address Handle: 0x000D
    Partition Row Position: 2

As I can understand, the max ammount of Ram memory is 4GB, but Im not sure if should I buy a single 4gb stick or two 2GB sticks. Which type of memory (DDR2?) should I buy?

Anyone can help me?

Thank you all :)

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  • This any use to you?
    – bu5hman
    Jun 12 '20 at 17:47
  • @bu5hman, I have read all threads on HP forum but there are mixed answers: some say that the max capacity is 2gb, others say that is 3 gb and someone said that his laptop allowed 4gb.
    – Aragorn64
    Jun 12 '20 at 18:47
  • Well, 2GB of old DDR isn't going to break the bank... Give it a shot. Though personally I would be surprised if the hardware was THAT variable and most of the posts I read say there are physical slots for 4GB but only 2GB is addressable.
    – bu5hman
    Jun 12 '20 at 21:38
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According to the HP forums and the manual I've found maximum memory is limited to 2GB.

For more information just read page 1 and 2 of the following Maintenance & Service guide for the HP 530 notebook.

Click on the link to read the pdf document

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  • I already read the Maintenance & Service guide for the HP 530, but if you look at the first block of the output that I share in the post, it says that the maximum capacity is 4GB. I dont know to trust in the Maintenence Guide or in the output that I get from the Linux terminal.
    – Aragorn64
    Jun 12 '20 at 18:04
  • Might be the case the info is wrong on the app due to the hardware being old and untested (wild guess) so I would stick with the manual.
    – vfbsilva
    Jun 12 '20 at 18:06
  • For one of my laptops: The service manual says maximum 3GB; It is currently happily using 8GB. I can't remember how I determined that it could use 8GB. The season for the limit was the 32bit MS-Windows OS, that it is no-longer running. Jun 12 '20 at 18:08
  • @ctrl-alt-delor, that's interesting. I´m going to take the risk and will buy two 2gb RAM modules. I will upgrade this answer when I test it.
    – Aragorn64
    Jun 12 '20 at 18:42
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    They may say "2GB" because there was no larger sticks available, or no larger HP-approved sticks in the day. I know lenovo X220 officially supports 8GB only, as the largest suitable sticks were 4 GB back then. But people have used it with 2x8GB later.
    – Ott Toomet
    Jun 13 '20 at 5:41

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