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 | | Because the PC compatibles are mostly based on the IBM XT and especially AT systems, you can see where things like the motherboard, case, and power supply shapes came from, the positions of slots, connectors and other components on the boards, and the levels of performance these systems originally offered. |
 | | The 5144 PC Convertible monochrome display is a 9-inch (measured diagonally) composite video display attached to the system unit through the CRT display adapter. |
 | | Models 088 and 089 were expanded PC XTs with all the standard features of the Models 267 and 268, a 20M hard disk, a 20M fixed disk drive adapter, a serial port adapter, and an additional 256K of system-board memory--a total of 512K. |
| cma.zdnet.com /book/upgraderepair/ch23/ch23.htm (9816 words) |
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