8086 Datasheet !!top!! 🔥 Exclusive

I didn't jump. I was too tired. "Evening, Silas."

"Pin 33," Silas tapped the paper with a calloused finger. "MN/MX. Minimum or Maximum mode. See that jumper wire soldered on the board? That’s telling the chip it's in Minimum mode. It’s lonely. It thinks it’s the only boss in town." 8086 datasheet

Silas folded up his datasheet and tucked it back into his pocket. He picked up his mug of sludge. I didn't jump

Silas chuckled, a dry, rattling sound. He set his mug down on a nearby workbench and pulled a crumpled, yellowed document from his back pocket. It was stapled in the corner, and the edges were fraying. "MN/MX

| Feature | Minimum Mode ( MN/ MX = Vcc) | Maximum Mode ( MN/ MX = GND) | | :--- | :--- | :--- | | | Single processor, small controller | Multiprocessor, mainframe, math coprocessor | | Bus Control | CPU generates DEN , DT/ R , ALE directly | External bus controller (8288) generates these | | **Coprocessor** | Not supported | Supports 8087 FPU or 8089 I/O processor | | **Pin 24** | INTA (Interrupt Acknowledge) | QS0` (Queue Status) |

Combines segment registers and offsets to create 20-bit physical addresses.

The IBM PC used the 8088 (8-bit version) in Maximum mode because it needed the 8087 math coprocessor for floating-point calculations in spreadsheets like Lotus 1-2-3.