IBM PS/1 User Manual

Hard Disk Drive Jumper Settings
Match your hard disk drive to one of the following figures. Set the first drive,
1 , as the primary (master) drive. If a second drive, 2 , is installed, set it
as the secondary (slave) drive and make sure all software is set to recognize
the second drive.
= No Jumper= Jumper, Note:
Figure 4-1. 85MB and 170MB Drives
2
Jumper
Block
Figure 4-2. 85MB Drive
Figure 4-3. 129MB Drive
4-2

IBM PS/1 Specifications

General

Processor	Intel 80286 or 80386
Processor Speed	10 MHz (80286)
RAM	1 MB (expandable to 2 MB or more)
Storage	40 MB hard drive
Floppy Drive	3.5" 1.44 MB
Graphics	VGA
Ports	Serial, Parallel, Mouse