Included tags: CMOS battery ×
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Looking for documentation: Toshiba Satellite A55-S106

VCFed about 3 months ago

Hi. It's been a while since I last posted here. I dug up this particular laptop recently, and I haven't had a lot of luck finding documentation for it. I was able to find an old user's manual that gave me an idea of the ports on the outside (RGB port, PC C …

IBM Thinkpad 300XD CMOS Battery

VCFed about 3 months ago

Hello Everyone, I am currently restoring an IBM Thinkpad 380XD and need to replace the CMOS battery. I have the part number and model, but can not seem to find any and the part number doesn't crossover that I can find to another battery. Can someone shed s …

Commodore PC 40 III Repair Advice & Further Diagnostic Information

VCFed about 4 months ago

So I have a Commodore PC 40 III that needs the CMOS battery replaced which is in the form of a Dallas Chip battery. Earlier this week with relatively 0 electronics repair experience I tried to de-solder the chip. I don't entirely remember in what order th …

IBM P70 14901 error code when HDD is connected

VCFed about 4 months ago

Hello! I have a IBM P70 without cmos battery. I get the regular errors one can expect when starting without the battery but the weird thing (atleast to me) is that when i have the original hdd connected (WD-387) i also get 14901 AND the reference disk com …

8-bit acorn hardware • ADFS - 1770 DFS - Language

Stardot about 6 months ago

Hi all,This is my first post so please be kind...lolJust picked up a BBC Master and having an issueFixes so far:Changed the PSU caps and its working fine with all 5v showingChecked the board/keyboard for corrosion/dry joints...looks all goodNew CMOS batte …
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32-bit acorn hardware • A4000S Restoration

Stardot about 6 months ago

Hi all,I acquired an Acorn A4000S a few days ago, I'm in the process of restoring, deep cleaning etc.The system has the original monitor, mouse, keyboard and documentation, a really lovely machine. So far I've removed the CMOS battery before it causes any …

Corrupt CMOS even after battery change Sharp PC-7200

VCFed about 6 months ago

Hello everyone. I have a Sharp PC-7200 that when booting complains of "Invalid configuration information" and says to "Strike F1 to continue". When I got it, the original CMOS battery was dead, as you might expect. I've replaced it w …

8-bit acorn hardware • Master battery spec

Stardot about 7 months ago

What is the proper spec for master cmos battery?Searching around has a host of bodges with resistors or diodes with a AA battery pack.Statistics: Posted by vexorg — Sun Oct 22, 2023 9:04 pm — Replies 29 — Views 329 …

HP Compaq dc7100 5 beeps and Red LED Blinking

VCFed about 7 months ago

I've tried reseating the ram and using different ram but that had no effect. I've also tried resetting the cmos battery. I've tried Kingston DDR 1 512MB 266 MHz 2.5 Volt Ram and Samsung 1GB DDR 1 PC2100 Ram. …

ODEN RTC / CMOS Battery

VCFed about 7 months ago

Does anyone know where to obtain remanufactured ODEN OEC128887A RTC / CMOS Batteries? I bought 2 on eBay that are apparently dead. I know there's a trick to cut them open and solder a CR2032 battery to them. I have no confidence in my eyesight and solde …

32-bit acorn hardware • 8-bit IDE podule not recognised in A3010?

Stardot about 7 months ago

Hi,I'm having some issues with my A3010 (undoubtedly my own fault for being unfamiliar with RiscOS). Can you please point me in the right direction?* I replaced the CMOS battery with a LiFePo cell (incl. resistor and diode) - but it still boots up in Supe …

Setup Recommendations for IBM PC 300 | 6345

VCFed about 8 months ago

Hello everyone, I've recently acquired a mint-condition IBM PC 300 (6345) from June 2000. Today, I took the plunge and unboxed it, giving it its first-ever start. After replacing the CMOS battery, everything worked right out of the box. The computer come …

Bios search for Gateway 2000 P5-60, and other issues

VCFed about 8 months ago

Hi All! Been doing a fair amount of vintage computer stuff of late but by no means am I an expert (even if in the mid-90s I was building my own PC's). I was given a Gateway 2000 P5-60 tower. At first things were relatively good, except the Dallas battery/ …

Megatouch Ion RX (2014)

Arcade Projects about 8 months ago

Recently finished repairing three of these, and this is the last one I have left. Everything works great and plays well. Here's a few things that have been done: - Fixed monitor (had a bad mainboard) - Replaced top case/bezel (original had broken studs/s …

Toshiba Satellite T1960CT Citizen Floppy Drive Belt replacement - Need help

VCFed about 9 months ago

I just successfully installed a new CMOS battery with diode and got rid of all my startup errors. I was in the middle of trying to backup this laptop when the floppy drive just stopped working. I took it out the laptop and took it apart and was very surpri …

FS: ThinkPad 560 Pentium laptop

VCFed about 9 months ago

I have for sale a ThinkPad 560 in very good condition. The system has the following specs: -133MHz Pentium CPU -2gb hard drive with the original IBM Windows 95 preload on it -40MB of RAM -AC adapter -main battery (holds a charge but only keeps the machine …

Issue with cmos on genuine IBM 5170; receiving system errors

VCFed about 9 months ago

Hello! I have recently purchased a genuine IBM 5170 with what I believe to be a rev 3 motherboard. I have been having an issue with the cmos battery. Since the one it came with, a 6v Panasonic lithium battery, had died, I have been using a 4 AA battery pac …

160mb Micropolis SCSI HDD Errors

VCFed about 10 months ago

Hey everyone. I recently bought a project portable computer that came with a 160 MB SCSI hard drive and controller card. The drive is a Micropolis 1674-7 160mb and the controller is a Future Domain TMC-885. The motherboard was bad in the computer (anothe …
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General Old Hardware • Asus P/I-P55T2P4 does not work and throws memory errors

Vogons about 11 months ago

Greetings to all,I recently acquired an Asus P/I-P55T2P4 v3.10 motherboard equiped with a Cyrix 6x86L-P200+GP CPU but no RAM.I bought 5 pairs of EDO stick (16 Mb and 32 Mb). I put a PCI VGA card (ATI Rage XL) and fired the mobo up.Of course, the CMOS batt …
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32-bit acorn hardware • A4 renovation in progress - advice wanted

Stardot about 11 months ago

I'm in the process of renovating my first A4 laptop. It seems to suffer the occasional freezes that others commonly report but it is otherwise fine. I've removed the CMOS battery, installed a Wizzo EPROM and will be putting in a CF card reader in. It's th …

General Old Hardware • Question about CMOS batteries on Toshiba Tecra 550CDT: 2.4V & 7.2V + Corrosion

Vogons about 11 months ago

I'm replacing the CMOS battery on a newly acquired Toshiba Tecra 550CDT. I see it has two batteries on the motherboard, a 2.4v 30mhah battery I think is the CMOS battery and seems readily available on eBay, the second is a 7.2v 30mah battery I'm not sure …
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General Old Hardware • Weird issue with VLB VGA in second VLB slot on ALi ECS Panda/Daewoo AL486D 386 motherboard

Vogons about 11 months ago

Hello all!I've been messing with this Daewoo AL486D, Revision 1.1 motherboard, which came out of a Leading Edge PC I own. I took the motherboard out the case for testing and noticed something quite odd: The VLB slot farthest from the CPU, at the bottom of …

General Old Hardware • Asus TUSL2-C motherboard - no POST - board lights up, CPU heats up, tried several GPUs and RAM

Vogons about 11 months ago

Hello everyone,The issues in another thread made me get new PSUs for the remaining computers, and my Tualatin build decided to give me problems in the process.Beforehand I should precise that this particular problem already manifested itself sometimes, bu …
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Toshiba Satellite T1960CT cmos battery

VCFed about 11 months ago

I just picked up a Toshiba Satellite T1960CT for a song. I believe its a 486DX machine. It has a working booting hard disk and a RAM upgrade. Its letting me know the cmos battery is dead. Can someone point me to some disassembly instructions for this unit …

Documentation and/or schematics for an ASUS - L3500H

Retro Computing Forum about 11 months ago

Hi there! This is my first post here and I’m not really sure if I’m at the right place. Apologies if I’m not but how retro is retro when you talk about computers in 2023? I’m going straight to the point then I’ll explain my problem i …