IBM PS2 Model 80 Technical Reference (May 1988)

The IBM Personal System/2 Model 80 Technical Reference (cover title) is IBM's 88-page model-specific interface reference for the PS/2 Model 80 (8580), First Edition, May 1988. It covers the Type 1 (16 MHz) and Type 2 (20 MHz) system boards, identified by model byte F8 and submodel 00 or 01 (Figure 1-1, p. 1-3), and is to be used with the PS/2 Hardware Interface Technical Reference and the PS/2 and PC BIOS Interface Technical Reference. The April 1987 single-volume book and the October 1990 edition are also hosted.

Contents

From the contents page (p. v):

• Section 1, System Overview (p. 1-1): description and model bytes, system board features, block diagram, I/O address map and specifications (p. 1-7), including physical specifications (Figure 1-7, p. 1-9).
• Section 2, Programmable Option Select (p. 2-1): POS address map, card selected feedback, system board enable/setup, POS register 2, POS register 3 for Type 1 and Type 2, and adapter enable/setup.
• Section 3, System Board (p. 3-1): 80387, Micro Channel with the Type 1 and Type 2 matched-memory implementations, central arbiter, ROM for each type, RAM with error recovery and memory subsystem control, memory registers for each type, memory maps and connectors, real-time clock and CMOS RAM (p. 3-36), NMI, system control ports B and A, power-on password (p. 3-52) and hardware compatibility (p. 3-53).
• Index.

What this manual does not contain

It is a programming and interface reference: no FRU numbers, removal procedures, symptom index, schematics or component values. There is no power supply section; the April 1987 and October 1990 editions have one.

What it settles

Figure 1-7 (p. 1-9): 165 mm wide (318 mm with the feet extended), 483 mm deep, 597 mm high, 20.6 kg with one fixed disk drive, heat output 365 W, input 90-137 V or 180-265 V at a maximum of 5.3 A or 2.7 A, and maximum allowable currents of 275 mA from the keyboard port and 300 mA from the auxiliary device port.

Pages that cite this document

• IBM PS/2 Model 80 cites it.
• IBM PS2 Model 80 Technical Reference (April 1987), IBM PS2 Model 80 Technical Reference (October 1990) and IBM PS2 Model 80 Schematics list it as related.

Download: IBM PS2 Model 80 Technical Reference May88.pdf