IBM PS2 Model 30 286 Hardware Maintenance Reference

The IBM PS/2 Model 30 286 Hardware Maintenance Reference is IBM's service reference pamphlet for the PS/2 Model 30 286 (8530-E models), part number 64F3988, form number S64F-3988-00, First Edition, dated 21 March 1990. The hosted copy is a 55-page PDF produced in 2009 from IBM's BookManager edition, so it is numbered by section (1.0 to 8.0) rather than by page.

It is one pamphlet of IBM's PS/2 maintenance library. For safety information the edition notice refers to the Hardware Maintenance Reference General Information pamphlet, and section 2.1 refers to the model's Hardware Maintenance Service pamphlet for the parts list and supported adapters. Neither is hosted here.

Contents

From the table of contents:

• 1.0 Product description: security (cover lock, power-on password) and system-board features (10 MHz 80286, 80287 connector, CMOS RAM, 512 KB RAM expandable to 4 MB, VGA, three expansion slots, serial and parallel ports, keyboard and pointing-device connectors).
• 2.0 Option compatibility: incompatible adapters (the 3278/3279 Emulation Adapter and the Speech Adapter cannot be installed together), drive and diskette compatibility, fixed disk drives, terminators.
• 3.0 Operating requirements: power supply (3.1), power-on self-test, system-board memory and memory-expansion adapters.
• 4.0 Specifications: size, weight (7.4 kg), environment, heat output and electrical input.
• 5.0 Special tools: the Tri-Connector wrap plug, IBM part 72X8546.
• 6.0 Removals and replacements: 1000 Cover, 1010 Rear Cover, 1015 Drives, 1020 Adapters, 1025 Bus Adapter, 1030 Cover Lock Assembly, 1035 Power Supply, 1040 Memory-Module Pack, 1045 Math Coprocessor, 1050 System Board, 1055 Front Bezel, 1060 Power Switch and Link, 1065 Drive Cradle, 1070 Clock Module, 1075 Diskette-Drive Cable, 1080 Fixed-Disk-Drive Cable, 1085 System-Board Video Cable.
• 7.0 Locations: front, rear and interior views, system board, and the diskette and fixed disk drive cables.
• 8.0 Safety grounds.

What this manual does not contain

There is no parts list or FRU part number list (those are in the Hardware Maintenance Service pamphlet), no symptom-to-FRU index, no schematic and no component values.

What it settles

• The supply is manually switched and must be set to the 100-125 V or 200-240 V range before the power cord is plugged in (3.1). Input is 90-137 V on the low range and 180-259 V on the high range (4.0).
• Minimum under-voltage sense levels (3.1): +4.5 V on +5 V, −4.3 V on −5 V, +10.8 V on +12 V and −10.2 V on −12 V. The Model 30 286 is an ISA machine with a −5 V output.
• The clock module is a plug-in FRU in a connector on the system board, removed after the cover and adapters. It is refitted with the white dot towards the rear, and IBM warns against bending its pins or prying it out (6.14).

Pages that cite this document

• IBM PS/2 Model 30 Maintenance Guide, IBM PS/2 Model 30 Troubleshooting Guide and IBM PS/2 Model 30 Capacitor Replacement Guide cite it for the voltage switch setting.
• IBM PS/2 Model 30 lists it in its documentation.
• IBM PS2 Model 30 Technical Reference (January 1987) and IBM PS2 Model 30 286 Guide to Operations list it as a related manual.

Download: IBM PS2 Model 30 286 HMR.pdf