Specifications of the IBM PC Convertible
- Intel 80C88 CPU at 4.77MHz*
- Dual 720K 3.5" floppy drives
- Monochrome LCD, CGA resolution
- 256KB RAM
- integrated keyboard
- IBM PC-DOS with custom icon-oriented shell interface
- Additional options: PC Convertible Monitor, Serial/Parallel Module, Display Module, Printer Module, Carrying Case
- Weighed 13 pounds (5.8 kg)
*Maximum processor frequency is 5 MHz. IBM PPC used one 14.31818 oscillator to drive both the CPU and video. For video it was divided it by 4 (14.31818 / 4 = 3.58 MHz), and for CPU it was divided by 3, which why it was running at 4.77 MHz, and not at 5 MHz.
Manuals
IBM 5140 Technical Reference Vol 1
Diagnostics
IBM PC Convertible Advanced Diagnostics V1.11
Utilities
Writing images to floppys you can use WinImage
WinImage 9.00 32 bits for Windows XP, 2003/2008 server, Vista, Seven
WinImage 8.10 32 bits for Windows NT4-x86, 2000, XP, 2003 server, Vista, 95/98/Me
Contact: mattias at ibm5150.net
Last updated 20 dec 2019