IBM Personal Computer XT 5160

The IBM Personal Computer XT 5160 (or simply, PC/XT) was the successor to the ground-breaking IBM Personal Computer 5150 and was announced on 8 March 1983. Compared to the earlier model, the system featured a revised system board, increased RAM, and a 10MB Hard Disk.

A derivative, the 3270PC, featured hardware to provide 3270 terminal emulation.

The later 80286 based 5162 was produced along side the 5160, the PC/XT class machines ultimately being replaced by the IBM Personal Computer AT 5170.

Specification

Typical specification:

• Intel 8088 CPU at 4.77MHz (with Math Coprocessor socket)
• IBM Personal Computer XT System Board
• An MFM Hard Drive (typically the 10MB Seagate ST-412)
• A 5¼-inch Full-Height Floppy Disk Drive
• 256KB RAM
• 130W PSU
• Parallel and serial ports
• Weighed lbs (about kg)
• Substantially the same substantial case as used with the 5150, with two full-hieght 5¼" drive bays

A choice of either Colour Graphics or Monochrome display adapters were available, the former with a composite output for connection to an ordinary TV.

The vast majority of models shipped had at least one floppy drive, for which IBM used three models:

• Tandom TM100

The cassette port of the 5150 was not fitted.

Expansion Slots

The IBM Personal Computer XT System Board had 8 ISA slots and 256KB RAM capacity, with later revisions of the board increasing this to 640KB. The spacing of the ISA slots defined 0.8" (20.32mm) standard that has been used ever since.

IBM Perconal Computer XT Expansion Slots

Slot	Card Fitted
1	Video Adapter (usually IBM Colour Graphics Adapter or IBM Monochrome Display Adapter)
2	Empty
3	IBM Personal Computer Floppy Disk Drive Controller
4
5	Xebec 1210 MFM Disk Controller Card
6	Empty
7	Empty
8 (closest to CPU)	Empty (but listed as reserved for IBM Asynchronus Serial Card)

Availability and Pricing

The system was launched 8 March 1983 and produced until April 1987. Cost was as much as $8,000 in the US (with 640KB RAM and colour display).

Reference Materials

• IBM 5160 Guide to Operations (April '84)
• IBM 5155 and 5160 Technical Reference (March '86)
• IBM Maintenance and Service Manual (complete manual):
  • General Information (PC and XT)
  • Introduction to Diagnostics (PC and XT)
  • Repair Information (PC and XT)
• IBM Hardware Maintenance Service Manual (complete manual):
  • 5150, 5160 and 5155 Start MAP
  • 5150, 5160 and 5155 Jumper and Switch Settings
  • 5150, 5160 and 5155 Switch (Supplements)
  • 5150, 5160 and 5155 Parts
  • 5150, 5160 and 5155 Parts (Supplements)
• Options and Adapters Manual (complete)

Media Images

• IBM PC-DOS:
  • PC-DOS v2.0
  • PC-DOS v2.1
• Diagnostics:
  • PC and XT Diagnostics v2.05 (IBM part number 1502367)
  • PC and XT Advanced Diagnostics v2.20 (IBM part number 6139804)

See Also

• IBM Personal Computer Series