Specifications
dx7400 Illustrated Parts & Service Map, MT Chassis 459782-001 page 3
System Board
System Setup and Boot
Basic system information regarding system information, setup, power management, hardware,
and passwords is maintained in the Setup Utility held in the system ROM. The Setup Utility is
accessed by pressing the F10 key when prompted (on screen) to do so during the boot sequence.
If the screen prompt opportunity is missed, a restart will be necessary.
System Board Connectors and Jumpers (position of some untitled components
may vary in location)
JCOM2 Second serial port connector P24 Front I/O USB connector
J20 PCI slot P61 First SATA connector
J31 PCI Express Slot 1 P62 Second SATA connector
J32 PCI Express Slot 2 P63 Third SATA connector
J41 x16 PCI Express slot for graphics P64 Fourth SATA connector
P1 Power supply connector (24-pin) P150 Media card reader
P3 Power supply connector (4-pin) SW50 Clear CMOS switch
P5 Power switch/LED connector XBT1 Battery
P6 Speaker connector DIMM A1 Memory slot
P8 Heatsink fan DIMM A2 Memory slot
P9 Chassis fan DIMM B1 Memory slot
P10 Floppy drive connector DIMM B2 Memory slot
P23 Front audio connector XU1 Primary processor socket
Computer Setup Menu
Heading Option / Description
System
Information
Lists the following main system specifications:
• Product Name
• SKU Number
• Processor Type
• Processor Speed
• System ROM
• Cache Size
• Memory Size
• Integrated MAC
• UUID
• System Serial #
• Asset Tracking Number
Main Date
(mm/dd/yyyy)
Allows you to set system date.
Time
(hh/mm/ss)
Allows you to set system time.
SATA Port 1,
2, 3, and 4
Allows you to run HDD self-tests, auto detect HDD size and
head, set extended IDE drive details, set access mode, and
view information about the device(s)
Onboard FDC
Controller
Disable/enable
Drive A Allows you to set to None or 1.4M, 3.5 in.
Halt On Allows you to set POST error behavior to: all errors, no
errors, all but keyboard, all but diskette, or all but diskette/
keyboard.
POST Delay Allows you to set POST delay to 0, 5, 10, 15, or 30 seconds
Advanced Execute Dis-
able Bit
Disable/enable hardware DEP function.
MAX DVMT
Allocation
Specify size of DVMT/system memory to allocate for video
memory. Settings: 64MB, 128MB, 224 MB.
Init Display
First
Allows you to set primary display device to PCI slot, OnChip
VGA, or PCIEx.
Onboard HD
Audio
Disable/enable
OnChip USB
Controller
Disable/enable
USB Legacy
Support
Disable/enable (USB keyboard, mouse, and flash media).
Onboard LAN Disable/enable
Onboard LAN
Boot ROM
Disable/enable
Onboard
Serial Port 1
or 2
Allows you to select: Disabled, 3F8/IRQ4, 2F8/IRQ3, 3E8/
IRQ4, or 2E8/IRQ3.
Onboard Par-
allel Port
Allows you to select: Disabled, 378/IRQ7, 278/IRQ5, or
3BC/IRQ7.
Computer Setup Menu (Continued)
Heading Option / Description
Advanced
(continued)
Parallel Port
Mode
Allows you to select: SPP, EPP, ECP, ECP + EPP, or Normal.
After AC
Power Loss
Allows you to select power loss behavior to On, Off, or Last
state.
Wake on PCI
Device from
S5
Disable/enable
RTC Alarm
Resume
Disable/enable
Date (of
Month)
If RTC Alarm is enabled, allows you to select day of month to
resumption (0 = every day).
Resume Time
(hh:mm:ss)
If RTC Alarm enabled, allows you to select time to resume.
Boot Device Boot
Disabling
Allows you to restrict a device from booting the unit. May
disable: none, USB, Internal ODD, Internal FDD, or
USB+ODD+FDD
F9 Boot Menu Disable/enable
F10 Setup
Prompting
Disable/enable
F11 Recovery
Prompting
Disable/enable
F12 Boot
from LAN
Prompting
Disable/enable
Removable
Device Boot
Seq.
Allows you to specify the order of attached removable
devices. The first drive in the order has priority and is recog-
nized as drive A.
Hard Disk
Boot Priority
Allows you to specify the order of attached hard drive devices
(USB HDD, USB2 Drive Key, or USB flash media). The first
attached drive in the order has priority and is recognized as
drive C.
Optical Drive
Boot Seq.
Allows you to specify the order in which attached optical
drives (including USB ODD) are checked for a bootable oper-
ating system image.
Network Boot
Seq.
Allows you to specify the order in which network devices
(including UP NIC cards) are checked for a bootable operat-
ing system image.
First, Second,
Third, and
Fourth Boot
Device
Allows you to specify which devices will boot in which
sequence or to disable any of the four: removable, hard disk,
CDROM, network, or disabled.
Set Supervisor
Password
Allows you to establish a password to enter Computer Setup
Set User Pass-
word
Allows you to establish a password to enter the computer
(must have Supervisor password established)
Security
Option
Allows you to set security option to Setup or System so that
the password is required each time the system boots or only
when entering Computer Setup.
BIOS Write
Protection
Enable to prevent BIOS from being updated.
PC Health System Fan
Fail Check
Disable/enable
Smart Fan
Function
Disable/enable
Current CPU
Temperature
View only
Current Sys-
tem Temp
View only
Current CPU
Fan Speed
View only
Current Sys-
tem Fan
Speed
View only
Vcore View only
12V View only
5V View only
VBAT (V) View only
5VSB (V) View only
Exit Save & Exit
Setup
Allows you to save current settings and exit Computer Setup.
Exit Without
Saving
Allows you to exit Computer Setup without saving changes.
Load Opti-
mized defaults
Allows you to reset Computer Setup to factory defaults.
System Hardware Interrupts
IRQ System Function IRQ System Function
0 Timer Interrupt 8 Real-Time Clock
1 Keyboard 9 Unused
2 Interrupt Controller Cascade 10 Unused, available for PCI
3 Serial Port (COM B) 11 Unused, available for PCI
4 Serial Port (COM A) 12 Mouse
5 Unused, available for PCI 13 Coprocessor
6 Diskette Drive 14 Primary ATA (IDE) Controller
7 Parallel Port (LPT 1) 15 Secondary ATA (IDE) Controller




