Minitower System Unit; System Board - NEC POWERMATE P60D Service Manual

1-2 Technical Information

MINITOWER SYSTEM UNIT

The minitower chassis provides an enclosure for the system board, power supply, five
storage device slots, and five-expansion-slot ISA/PCI-bus backboard. The storage device
slots accommodate a 3 1/2-inch diskette drive, two 3 1/2-inch hard disk drives (1-inch
height), and three 5 1/4-inch storage devices (1.6-inch height). The system ships with a
3 1/2-inch diskette and in some configurations, a hard disk drive leaving three 5 1/4-inch
storage device slots available for optional devices.
All minitower models share the system unit features shown in Figure Section 1-2.
Two 3 1/2-Inch
Internal Hard
Disk Drive Slots
5 1/4-Inch
Accessible slots
Figure Section 1-2 PowerMate Minitower System Unit Features

System Board

The system boards are the same for bothe computers and contains a Flash ROM which is
upgradeable through the BIOS Update utility (see Section 2).
Key features of the system board are listed below.
n
Pentium™ 60-MHz processor
n
support for Intel OverDrive™ processor upgrades
n
8 megabytes (MB) of random access memory (RAM)
accepts 36-bit, 70-nano second (ns) single-inline memory modules (SIMMs)
expandable to 80 MB in the desktop and 136 MB in the minitower
n
16-kilobyte (KB) primary cache (8 KB data and 8 KB instructions)
Power Button
Power Lamp
Hard Disk
Drive Busy
Lamp
Reset Button
3 1/2-Inch
Accessible slot
(contains diskette
drive)