Ampro Corporation MightyBoard 821 manual Jumper Definitions, Power Specifications

Chapter 2 Product Overview

Jumper Definitions

Table 2-4describes the jumpers shown in Figure 2-4 on page 10.

Table 2-4. Jumper Settings

Jumper #	Installed	Removed/Installed
JP1 – CMOS Normal/Clear	Normal (pins 1-2) Default	Clear (pins 2-3)
JP2 – CPU Voltage Select	1.5V/533 FSB CPU (pins 1-2)	1.8V/400 FSB CPU (removed)
JP3 – Serial 3 (COM3) RS-485	Termination (pins 1-2)	No Termination (removed)
Termination		*Default
JP3 – Serial 4 (COM4) RS-485	Termination (pins 3-4)	No Termination (removed)
Termination		*Default
JP4 – LVDS Voltage Select	Enable +3.3V (pins 1-2) Default	Enable +5V (pins 2-3)
JP5 – Inverter Voltage Select	+5V (pins 1-2)	+12V (pins 2-3)

Note: *The jumper or shunt may be stored by connecting it to one of the pins for safe keeping.

Specifications

Power Specifications

Tables 2-5and 2-6list the power requirements for the MightyBoard 821 with 1.5 and 2.0 GHz CPUs.

Table 2-5. System Power Requirements (1.5 GHz CPU)

Parameter	+12.0VDC
In-rush Current	Max: 8.00A (96.00W)
(Typical)	Min: 0.28A (3.36W)
Idle	1.20A (14.38W)
BIT* Current	1.54A (18.47W)
(Typical)

Operating configurations:

•In-rush operating configuration includes 512MB DDR RAM, ATX power, CRT monitor, two SATA HDDs and one IDE HDD each with WinXP Pro, keyboard and mouse.

•Idle operating configuration includes the same items as the in-rush configuration.

•BIT* = Burn-In-Test. Operating configuration includes Idle configuration as well as one serial port with loop-back, one parallel port with loop-back, two Ethernet connections, and four external USB flash drives.

MightyBoard 821 Reference Manual 11