Recent content by admford

Ah, I’d suggest using INR or IMR 26650 batteries as they’d have more charging cycles before degrading. https://www.batteryequivalents.com/26650-battery-dimensions-chargers-and-flashlights.html

The PowerBook 3400c uses four 3.7v 3300mAh lithium ion batteries connected in series (voltage regulated to 14.4v). Battery size is 26650. you can use four 26650 sized flat top lithium ion batteries as a replacement (3.6v rated). Interestingly enough, they’re the same type used in many vapes...

Well I followed Multifinder17's advice and managed to make a System 6.0.3 boot disk. The good news is that my Classic's ram is 4MB! the bad thing is that the classic won't boot from Rom or floppy with the HD connected to the SCSI port. I still have to change the battery just to be sure, but it...

Ok, i've tried to zap the Pram, but it won't do anything. No beep saying that the pram values have been reset (other than the first beep when it turns on). From that, it seems like it might be a problem with the PRAM battery. Tomorrow i'll probably look to get a new one to replace it, and also...

Had the notion that that might be a problem, so I checked that the floppy drive doesn't have any disks in it. And also I removed the hard disk just to be doubly sure. I managed to boot using the command-Option-X-O combination when turning it on (thanks for the tip MultiFinder17). But I wasn't...

A couple of years ago I bought a used Classic at a computer expo near my home, but never had enough time to start messing around with it. Anyways, finally today I pulled it out of storage to see if it works, but I only get a gray screen and a mouse cursor on it. I've tried booting via...