This website (minuszerodegrees.net) is intended to be a reference for computer-savvy people who are already familiar with the IBM 51xx PC family of vintage computers. This website contains information that ranges from basic to very technical. This website is not intended to be viewed via a mobile/cell phone.

IBM 5145 PC Convertible Color Display Model 1. The 5145 is a 13-inch (measured diagonally) color display that displays in medium resolution (320 x 200). It is designed for those customers whose application requirements will be satisfied by that resolution. It is attached to the system unit via the CRT Display Adapter (#4020).

IBM 5144 / 5145 - Some Documentation Pointers These are optional CRT displays for the IBM 5140 (the PC Convertible). IBM 5144 = PC Convertible Monochrome Display

IBM's first laptop computer is a big improvement over their earlier portable computer, the giant IBM Portable PC from 2 years earlier in 1984. Is the IBM 5140 "Convertible" really a convertible? Yes - even the top (display) comes off.

2009年3月26日 · Possibly one of these tubes could sub in for the broken tube in your 5145. Suggest contact newtubes as they appear to have an extensive equivalents list and will know which is the closest equivalent to your broken tube.

2016年8月14日 · Just did a few google searches and couldn't find anything (maybe I'm stupid) I could take a few pictures of the box but if anyone could help. According to a google search of "IBM 5145" it's a CGA monitor. Woz would like the repeating digits in the serial number (22222), even if it isn't an Apple product!

The IBM 5140 (PC Convertible) The Convertible is IBM's first (and, for a long time, last) attempt at a true laptop. Unlike the computer it superseded (the 5155 "Portable") it did actually run on batteries and was actually lighter than a desktop PC. The specification is roughly: Intel 80C88 (low power 8088) at 4.77MHz

2003年5月2日 · This monitor is an external monitor that was sold as an option for the IBM 5140 (PC Convertible). It also happens to work on a PCjr. I don't have service docs for it.

Refurbished IBM 5145 AS/400 iSeries Additional Battery Backup. IBM M.A.Q. for IBM Maintenance!

TTL (9-pin), IBM 5145 or similar. * Nominal specifications for the CGA video standard. IBM 5145, MDA, MGA, CGA, EGA, HGC, Hercules, graphic, video. Touchscreen capability.