Click here or click onto the photo for a full size version of this picture. This is the high-end 386-based Model 80. With a 25 MHz processor and additional 64 Kbytes of cache, it is about 2 times as fast as the older 20 MHz version. Click here or click onto the photo for a full size version of this picture. Click here or click onto the photo for a full size version of this picture. IBM introduced new 4M memory modules with the 25 MHz version. They are also usable on the 20 MHz version of the Model 80. On the other hand, the 25 MHz version absolutely needs these modules, older modules give a '225' error :-/ Click here or click onto the photo for a full size version of this picture. A closer look onto the CPU. The large ceramic beast next to the CPU is the Intel 82385 cache controller. In contrast to the 25 MHz Model 70, CPU, FPU, and cache are fully integrated on the main board. I'm curious to see a 486-based model 80...

Processor: Intel i386DX @ 25 MHz Coprocessor: Intel i387DX @ 25 MHz Cache: none Memory: 16 Mbytes (on-board options range from 4M to 8M) Bus: 8 MCA slots (4x32 bit, 4x16 bit) Interfaces (onboard): Mouse, Keyboard 1x Serial 1 x Parallel Floppy (1.44M), allows attachment of up to 2 drives VGA Add-on cards: SKnet Junior MC/2 Ethernet Adapter Adaptec AHA1640 SCSI Hard Disk Controller IBM Dual Serial Adapter>/LI> ATI 8514/Ultra Graphics Accelerator Kingston KTM16000/386 Memory Expansion Operating System(s): Linux 2.0 (Slackware-based) Useful Links: Original Announcement from IBM More Information about the Mod. 80 Details about main board Reference Diskette

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