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19/03/2017

Fix a Compaq Portable III floppy drive

I got a Compaq Portable III for very little money, mainly because it was considered dead. Disassembling, cleaning, and reassembling it somehow brought it back to life, with the exception of the CMOS battery and the floppy drive. I would not usually mention the CMOS battery, because it is obvious that batteries this old  […]

13/03/2017

Floppy Drive USB Emulators

There are many Floppy Drive USB Emulators and not all are equal. Here is a list of GOTEK models: Formatted capacity 1.44MB : SFR1M44-*** 1.2MB : SFR1M2-*** 720Kb : SFRM72-*** Cables IDC34pin+4P power plug IDC26pin withour additional power FPC26 flat cabel 1.0MM pin distance use mdoel SFR***-**26 FPC26 flat cabel 1.25MM  […]

13/03/2017

AST Premium Exec 386SX/20 missing power supply

I got my hand on a AST Premium Exec 386SX/20 without power supply. Unfortunately the DIN-8 pin is not very standard: This is extracted from the following picture: The power adapter ref is AST CS714A. Sources: AST Premium Exec 386SX/20 missing power supply AST Premium Exec 386SX/20

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