Category Archives: PC hardware


As most everyone knows, the AT Attachment standard (informally known as IDE) started by literally bolting the previously standalone AT disk controller onto a MFM drive with a ST506 interface and connecting the assembly to the host system with a … Continue reading

Posted in Compaq, Documentation, IDE, PC hardware, PC history, Storage | 34 Comments

Like New

About twenty years ago, I bought a used IBM Model M keyboard with a PS/2 connector. I believe it cost me around $5-$10 plus shipping at the time. A good investment, given that this sort of keyboard is probably worth … Continue reading

Posted in IBM, Keyboard, PC hardware | 5 Comments

Fake vs. Real

After discussing an Adaptec SCSI HBA that was clearly made from recycled parts and likely fake, I wanted to see what a real one looks like. It looks like this: For reference and for comparison, here’s the sketchy one: The … Continue reading

Posted in Adaptec, Fakes, PC hardware | 6 Comments

SCSI HBA Recycling?

Several weeks ago I bought this Adaptec 39160 64-bit PCI SCSI HBA in order to experiment with different HBAs: The motivation was that although I’ve been a happy user of LSI HBAs (SCSI and SAS, PCI and PCIe) based on … Continue reading

Posted in Adaptec, Fakes, PC hardware, SCSI | 10 Comments

Nehalem and 4 Gbit DDR3

While discussing Intel desktops with DDR2 memory using 2 Gbit technology (4 GB UDIMMs), the question of Intel’s next generation and 4 Gbit DDR3 (8 GB UDIMMs) came up. It’s more or less the next iteration of exactly the same … Continue reading

Posted in Intel, PC hardware, PC history | 8 Comments


Last week the OS/2 Museum got its first ever set of real (i.e. not fake) 4 GB DDR2 desktop (unbuffered) DIMMs, a pair of Samsung 4GB PC2-6400U modules. Such modules are quite rare and correspondingly tend to be unavailable at … Continue reading

Posted in DDR RAM, Fakes, PC hardware | 18 Comments

Booting Windows XP, Or Not

For a number of years now I’ve been using a SATA SSD with a “portable” Windows XP installation on it. Portable in the sense that it was capable of booting on a number of my machines, either in IDE mode … Continue reading

Posted in Debugging, PC hardware, Windows XP | 16 Comments

Seek and Ye Shall Find…

…in the strangest places! Lately I’ve been digging up marketing materials related to Intel’s desktop boards (I’ve long been toying with the idea of writing up a brief history of the circa 10 years of Intel Extreme Series boards). There … Continue reading

Posted in Archiving, Intel, PC hardware, PC history | 2 Comments

The Answer To 0x49: Fujitsu FMR

This is a guest post by A. N. Other. The following was originally intended as a comment to “Not MSX Either“, the 4th installment in the hunt for the mysterious 0x69 FAT VBR-start byte which was allowed in DOS. Due … Continue reading

Posted in DOS, NT, PC hardware, PC history, Undocumented | 7 Comments

Every Bit Matters

A couple of months ago the OS/2 Museum got hold of a 13.6 GB Fujitsu MPE3136AT IDE drive from 1999. The drive was working… more or less. It behaved quite strangely; the drive was detected and readable, but seemed oddly … Continue reading

Posted in Fixes, PC hardware, Storage | 6 Comments