Aaeon SBC-775 User manual
Quick Installation Guide
SBC-775 Installation Guide 1
SBC-775
Installation Guide
This Installation Guide gives background information on the
SBC-775, and shows you how to configure the card to match your
application and prepare it for installation into your system.
Safety Precautions
SBC-775
Pentium®II Full-size CPU Card with SSD
Part no. 2007775001 2nd Ed. Printed in Taiwan Nov. 1998
Quick Installation Guide
Warning! Always completely disconnect the power cord
from your chassis whenever you work with the
hardware. Do not make connections while the
power is on. Sensitive electronic components
can be damaged by sudden power surges. Only
experienced
electronics personnel should open the PC chas-
sis.
Caution! Always ground yourself to remove any static
charge before touching the CPU card. Modern
electronic devices are very sensitive to static
electric charges. As a safety precaution, use a
grounding wrist strap at all times. Place all
electronic components in a static-dissipative
surface or static-shielded bag when they are not
in the chassis.
SBC-775
SBC-775
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Location Jumper and connector
DIMM1
DIMM2
DIMM3
CN6(IDE1) CN18
CN13
DOC2000
440LX
SLOT1
ISA
PCI
CN7(IDE2) CN11(USB)
CN9(COM1)
CN10(COM2)
CN12(Keyboard
PS/2 mouse)
Quick Installation Guide
SBC-775 Installation Guide 3
SBC-775
Jumpers and Connectors
Table 1-1: Jumpers and connectors
Label Function
J5 CPU core frequency
J6 Clear CMOS
J8 Watchdog output
J11 Clock select
J12 DiskOnChip®2000 address select
CN1 Infrared (IR) connector
CN2 Keyboard lock
CN3 Externalspeaker
CN4 IDE LED
CN5 CPU fan connector
CN6 Primary IDE connector
CN7 Secondary IDE connector
CN8 Parallel port
CN9 Serial port: COM 1
CN10 Serial port: COM 2
CN11 USB port
CN12 PS/2 keyboard and mouse
CN13 Floppydrive connector
CN14 (Reserved)
J1 ATX soft power switch
J2 Reset
J3 ExternalSMI
J7 ATXfeatureconnector
J10 Externalkeyboardconnector
RT1 (Reserved)
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Jumper Settings
CPU core frequency (J5)
Table 1-3: CPU core frequency (J5)
A B C D
233 MHz open closed closed closed
266 MHz open open open open
300 MHz* open closed open open
333 MHz open open closed open
CMOS clear (J6)
Table 1-4: CMOS clear jumper settings (J6)
Function Jumper setting
Keep CMOS data 1-2 closed*
Clear CMOS data 2-3 closed
* default
ABCD
ABCD
ABCD
ABCD
* default
1
1
Quick Installation Guide
SBC-775 Installation Guide 5
SBC-775
1
1
Watchdog timer output (J8)
Table 1-5: Watchdog timer output (J8)
Function Jumper setting
IRQ11 1-2 closed
Reset 2-3 closed*
* default
CPU bus clock select (J11)
Table 1-6: CPU clock select jumper settings (J11)
Function Jumper setting
66.6 MHz 1-2 closed*
75MHz 2-3 closed
* default
Note: 75 MHz exceeds the product's specifications.
1
1
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DiskOnChip®2000 Flash disk address select
(J12)
Table 1-7: DiskOnChip®2000 Flash disk memory address jumper
settings (J12)
Address 1-2 3-4 5-6
C800 closed closed closed
CC00 closed closed open
D000 closed open closed
D400 closed open open
D800 open closed closed
DC00 open closed open
E000 open open closed
Disabled* open open open
* default
12
65
12
65
12
65
12
65
12
65
12
65
12
65
12
65
Quick Installation Guide
SBC-775 Installation Guide 7
SBC-775
ATX Power Control Connectors
(J7 and J1)
ATX feature connector (J7) and soft power
switch connector (J1)
The SBC-775 can support an advanced soft power switch function
if an ATX power supply is used. To enable the soft power switch
function:
1. Take the specially designed ATX-to-PS/2 power cable out of
the SBC-775's accessory bag.
2. Connect the 3-pin plug of the cable to J7 (ATX feature
connector).
3. Connect the power on/off button to J1. (A momentary type of
button should be used.)
Warnings: 1. Make sure that you unplug your power supply
when adding or removing expansion cards or
other system components. Failure to do so may
cause severe damage to both your CPU card and
expansion cards.
2. ATX power supplies may power on if certain
motherboard components or connections are
touched by metallic objects.
Important: Be sure that the ATX power supply can take at
least a 10 mA load on the 5 V standby lead
(5VSB). If not, you may have difficulty powering
on your system.
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Controlling the soft power switch
It is easy to control the ATX soft power switch. Pushing the
button once will switch the system between the "On" and "Sus-
pend" power modes. Pushing the button for more than 4 seconds
while in the "On" mode will turn the system off. Users can also
identify the current power mode through the system's power LED,
as indicated below:
ATX Power Mode LED Status
System On On
System Suspend Flashes eight times/sec.
System Off Flashes once/sec.
Quick Installation Guide
SBC-775 Installation Guide 9
SBC-775
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