Monthly Archives: April 2016

Zapping the SVP on a T42p

A T4x ThinkPad with a supervisor password is a ticking time bomb. The password is not needed during boot and is only required to change certain BIOS settings, something which isn’t typically needed. But if CMOS settings are lost, the … Continue reading

Posted in Hardware Hacks, ThinkPad | 3 Comments

Can a DB-50XG Talk?

I seem to have embarked on another crazy research project. It was spurred by a broken Yamaha DB-50XG wavetable daughterboard. The DB-50XG was a bit dirty but not obviously damaged. It produces no output but gets warm exactly like a … Continue reading

Posted in Sound, Wave Blaster, Yamaha | 1 Comment

Solaris 7 Boot Panic

On some systems, it has been observed that Solaris 7 panics during boot from installation media and reboots the system. At least Solaris 7 U1 (3/99) and U4 (11/99) are affected. Only “fast” systems (definitely including Sandy Bridge 3+ GHz … Continue reading

Posted in Bugs, Debugging, Solaris | 5 Comments

IBM OS/2 1.x Programming Documentation Added

IBM’s programming documentation (Programming Tools and Information, aka PTI) for OS/2 versions 1.2 and 1.3 has been added. Big thanks to Bob Eager who scanned the originals and converted them to PDF. The documents have been added to the OS/2 … Continue reading

Posted in Development, Documentation, IBM, OS/2 | 2 Comments

PCI Voodoo

A while ago I tried to set up Voodoo 2 SLI on an old Pentium system running Windows 98 SE. I used two seemingly identical Creative CT6670 boards (Voodoo 2, 12 MB RAM) which should have worked just fine. But … Continue reading

Posted in 3Dfx, PCI | 29 Comments