Atari MEGA STE
Atari Mega STE
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| Release date | 1991 |
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| Introductory price | US$1,799 (equivalent to $3,163 in 2016) |
| Operating system | Atari TOS |
| CPU | Motorola 68000 @ 8 MHz or 16 MHz |
| Memory | 1, 2 or 4 MB |
| Graphics | 320×200 (16 out of 4096 colors), 640×200 (4 out of 4096 colors), 640×400 (mono) |
| Sound | Yamaha YM2149 |
The Atari Mega STE was Atari Corporation's last ST series personal computer, released in 1991. The MEGA STE was essentially a late-model 680x0-based STE mounted in the case of the otherwise unrelated Atari TT computer, although a number of TT features were also blended in. The resulting machine was a more business-like version of the ST line.
The MEGA STE is based on STE hardware. Physically, the 2 MB and 4 MB models shipped with a high resolution mono monitor, and an internal SCSI hard disk (the 1 MB model included neither a monitor, hard disk, nor hard disk controller). Despite offering better ST compatibility than the TT, it also included a number of TT features, from the ST-grey version of the TT case with separate keyboard and system unit, optional FPU, a VMEbus slot, two extra RS232 ports (all 9-pin rather than 25-pin as previous models had), a LocalTalk/RS-422 port (no AppleTalk software was ever produced) and a 1.44 MB HD floppy support. Support for a third/middle mouse button was included, too.
A unique feature of the MEGA STE in relation to previous Atari systems is the software-switchable CPU speed, which allows the CPU to operate at 16 MHz for faster processing or 8 MHz for better compatibility with old software. An upgrade to the operating system was also produced after the first units were shipped that upgraded the onboard ROMs to TOS 2.05 and later to 2.6/2.06.
The VME bus provided expansion capability using cards that enhanced the computer's capabilities such as enhanced graphics processing capability and Ethernet network connectivity.
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