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{
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irudoy

Set up Samsung ML-1910 Printer (or similar) with CUPS on Raspberry Pi

Install and configure CUPS

sudo apt install cups
sudo usermod -a -G lpadmin pi
sudo cupsctl --remote-any
sudo cupsctl --share-printers

sudo lpinfo -v # should show your USB-connected printer

irudoy

Booting Windows 98 DOS from a PCMCIA CompactFlash card on an IBM ThinkPad 365ED

Overview

The IBM ThinkPad 365ED can start Windows 98 DOS from a CompactFlash card in a PCMCIA ATA adapter, but its PCMCIA BIOS is not fully compatible with the Windows 98 IO.SYS boot path.

A normally prepared active FAT16 card reaches IO.SYS and then stops on a black screen with a blinking cursor. Two independent firmware compatibility problems cause the failure:

1. the PCMCIA BIOS hangs when IO.SYS rereads CHS 0/0/1 through INT 13h;
2. the BIOS leaves the head-count byte in the geometry structure at zero, causing a 32-bit division by zero inside IO.SYS.