Philips :YES
The Philips :YES was a home computer/personal computer released by Philips Austria, in 1985. It was not fully IBM PC compatible, a reason given for its commercial failure. The system was only sold in limited quantities.
Technical specifications
- Microprocessor: Intel 80186 @ 8 MHz
- ROM: 192 KiB
- RAM: 128 to 640 KiB
- Keyboard: mechanical, with 93 keys
- Operating system: DOS Plus, MS-DOS, Concurrent DOS
- Storage: two 3½-inch drives, 720 KiB each. One or two optional external 3½-inch or 5¼-inch drives.
- Video modes:
- * A0: Text, 40 columns × 25 rows, 8 colours
- * A1: Text, 80 columns × 25 rows, 8 colours
- * A2: Text, 80 columns × 25 rows, 2 colours + intensity
- * G0: 160 × 252 pixels, 16 colours
- * G1: 640 × 252 pixels, 2 colours + intensity
- * G2: 320 × 252 pixels, 16 colours
- * G3: 640 × 252 pixels, 4 colours
Video RAM was shared with system RAM. Before using graphics modes, memory had to be allocated for them with the GRAPHICS or GRCHAR commands.
An expansion card provided:
- Extra RAM.
- A SASI/SCSI hard-drive interface.
- A mouse interface.
- A battery-backed real-time clock.
Operating system versions
Known operating systems adapted for the Philips :YES include:- DOS Plus 1.? in ROM. The BDOS in ROM does not implement the S_OSVER call, which would have returned the version number to display.
- DOS Plus 1.1 on disk
- DOS Plus 1.2 on disk
- DOS Plus 2.1 on disk
- Concurrent DOS
- MS-DOS 2.??
- MS-DOS 3.10
Popular software
- WordPerfect 4.2
- Microsoft Windows 1.02