Questions tagged [eeprom]

An EEPROM is an electrically eraseble programmable ROM. It is a ROM chip (meaning it will keep its information when you power off the computer) which you can erase without additional hardware (unlike regular EPROMs). It is often used to contain firmware, such as the BIOS in a desktop.

Filter by
Sorted by
Tagged with
61 votes
9 answers
63k views

Where is the BIOS stored?

From https://en.wikipedia.org/wiki/BIOS: BIOS software is stored on a non-volatile ROM chip on the motherboard. ... In modern computer systems, the BIOS contents are stored on a flash memory chip so ...
Tim's user avatar
  • 17.3k
28 votes
3 answers
7k views

What is a "Programmer" in the context of Bios Recovery?

I was reading about BIOS recovery and ran across the word "programmer". (No, it's not talking about people.) What is it referring to?
user541686's user avatar
  • 23.9k
9 votes
1 answer
870 views

Chromium OS on an EEPROM

I have a HP Mini that runs Splashtop OS as an instant-on OS and Windows 7 as the main OS. I've updated Splashtop through Windows 7 before, so I know it runs on an EEPROM or some other sort of flash ...
blsub6's user avatar
  • 877
5 votes
1 answer
2k views

Filesystem for extremely small (8 KB) EEPROM

I need to manage 8 KB of space in an EEPROM. I need to store files in it : of course they'll be really small. Moreover, we don't wanna lose any datas already stored if the battery runs out or anything ...
PPaFeu's user avatar
  • 53
4 votes
2 answers
49k views

How I can extract Binary file from EXE file?

I have a BIOS file .EXE and I want to extract the bainary file from it to flash it to a BIOS chip directly with USB EEPROM programmer. What I have tried: Extracting the EXE file with 7ZIP or WINZIP ...
Narzan Q.'s user avatar
  • 831
1 vote
1 answer
655 views

Is there a risk that new kernel driver ee1004 could lock up spd eeprom?

For newer DDR4 DRAM modules SPD (Serial Presence Detect) data is no longer accessible through AT24C02-compatible EEPROMs (as per DDR3). DDR4 memory provides 512 bytes of data at one lower and one ...
beyondtime's user avatar
1 vote
0 answers
167 views

What is stored in Inte's spi flash? Is it a BOIS?

We have Intel's board (i7) with Linux, and we need to save some data between power off/on. I thought of using the spi flash for this (there is also eeprom, but for some reason it is read-only!). But ...
ransh's user avatar
  • 271
1 vote
0 answers
2k views

Where is the eeprom in Thinkpad r52 motherboard?

At first, I was trying to remove the forgotten bios password (supervisor / administrator) by the trick given in this video. It is a Thinkpad R52, below are pictures of the motherboard: So, This is ...
ForWebTech's user avatar
1 vote
0 answers
720 views

How can I get serprog-duino to recognize a Macronix MX25L6406E chip?

I recently manged to brick my acer C710-2384 chromebook a while ago by trying to flash the bios incorrectly. I opened it up, and looked at the motherboard, finding a Macronix MX25L6406E chip. I ...
user16871's user avatar
  • 151
1 vote
0 answers
431 views

How do I find the storage capacity of the E²PROM chip on my motherboard? How much space is needed for UEFI to be implemented?

I'm looking at a solution for upgrading BIOS to UEFI on a motherboard that doesn't natively support UEFI. Another user, Rod Smith, replied to a question as to how this would be done stating: "It's ...
bgfvdu3w's user avatar
  • 111
1 vote
1 answer
7k views

Modify Laptop Battery's internal status?

Is there any way to modify the values of the laptop battery to make it fully charge? I assume that these values are stored in EEPROM. I would like to know if there is any tool that can read/write ...
Francesco's user avatar
  • 279
0 votes
3 answers
7k views

differences between firmware, chipset and EPROM inside a computer

All chipset, EPROM and firmware in a computer seem to have some physical electronic components that contain codes for controlling the working flow of processor, RAM and other hardware peripherals, but ...
user3724662's user avatar
0 votes
0 answers
138 views

What is the bios eeprom brand and model on Asus proart x670e creator wifi motherboard?

I want to answer because I have to know before buying that since it supports for mountable eeprom it helps to reflash or reprogram the bios using bios programmer with clip on eeprom while the bios is ...
Ram Dinesh's user avatar
0 votes
0 answers
924 views

need help resetting the bios password

the laptop set a password on itself, and the backdoor passwords don't do anything, passwords generated by my hint numbers are incorrect (I generate them on bios-pw.org). I salvaged this laptop from a ...
user avatar
0 votes
1 answer
5k views

Changing the MAC address on a FritzBox WiFi router

The AVM FritzBox WiFi router has a feature to set the required MAC address from the configuration GUI. When we change the MAC address, is this change done virtually at the firmware level, or does the ...
fxgreen's user avatar
  • 101