Multitech RF760 User's Guide Page 154

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Appendix C – Board Components, Hardware Upgrades & Add-ons, Software Add-ons, Overnight Replacement
Multi-Tech Systems, Inc. RouteFinderVPN RF760/660/600VPN User Guide (PN S000323D) 154
850 Mhz INTEL Celeron Processor: the microprocessor that provides processing power to the unit. The
processor can be upgraded in the field for additional processing power. On RF760VPN: 2GHZ Pentium 4
256MB PC133 Non-ECC DIMM: the memory component for the unit. The DIMM memory module can be upgraded
in the field for higher performance. Early RouteFinders had a 128MB PC100 Non-ECC DIMM.
On RF760VPN: 512MB DDR DIMM
VGA CRT connector: This connector allows attachment of a monitor for configuration and reporting purposes.
CN4 Floppy drive connector: The floppy drive connector (CN4) does not have a designator for pin 1.
Back Panel: the back panel contains the Fan,
POWER plug, Power Switch (| / o), RJ-11 (LINE),
DB-9 (
COM 1), DB-15 High density DSUB (VIDEO), USB (Revision 1.1 compliant), RJ-45 (DMZ),
RJ-45 (
WAN), and RJ-45 (LAN) connections.
KB1 MiniDIN SVT1: KB1 is a 6-pin female PS/2 keyboard interface connector.
BT1 Battery: BT1 is a lithium battery that provides backup power for time keeping.
Caution: Danger of explosion if battery is incorrectly replaced. The lithium battery on the RouteFinder board
provides backup power for the time-keeping capability. The battery has an estimated life expectancy of ten years.
When the battery starts to weaken, the date and time may be incorrect. If the battery fails, the board must be sent
back to Multi-Tech Systems for battery replacement.
JP1 CMOS control jumper: JP1 settings are Normal (default) or Clear CMOS.
For Normal short pins 1 and 2. For Clear CMOS short pins 2 and 3.
JP3: BIOS Lock / Unlock jumper: JP3 settings are IN: Unlocked and OUT: Locked (default).
Hardware Upgrades and Add-ons
This section provides the information needed to perform RouteFinder field upgrades.
Caution: Use industry-standard grounding supplies and procedures so that you do not damage the PC board or upgrade
components.
Top Cover Removal
As the first step for all upgrade procedures, use this procedure to remove the RouteFinder top cover.
1. Turn off RouteFinder power and remove the RouteFinder power cord.
2. Remove all of the RouteFinder back panel cable connections.
3. Remove the retaining screws that secure the top cover to the chassis. Save the screws for top cover
replacement.
4. Carefully slide the top cover forward and then off of the chassis, being careful not to catch the top cover on any
cables or to bump any of the board components. You may want to use a small flat blade screwdriver to gently
pry the top cover away from the chassis at the retaining screw hole near the middle of the back panel.
5. Perform the desired upgrade following the instructions in the following sections.
6. To replace the top cover, perform Steps 1-3 above in reverse order.
RF660VPN Processor Upgrade
The standard 566 Mhz INTEL Celeron processor can be upgraded in the field up to a 850 MHz Celeron
processor or up to an 850 MHz Pentium3 processor.
1. Remove the RouteFinder top cover using the procedure earlier in this chapter.
2. Unplug the fan power plug from the FAN1 connector on the board.
3. Gently press down on the top of the metal fan retaining strip and unlatch it from the plastic retaining tab. Fan1
is mounted directly on top of the beige plastic Processor housing. Carefully remove Fan1 and the metal fan
retaining strip and put them in a safe place for future replacement.
4. Unlatch the Processor housing by carefully moving the securing lever on the right side out away from the
housing and lifting upward; this moves the securing lever from the LOCK to the FREE position, as printed on
the beige plastic Processor housing.
5. Very carefully remove the existing processor from the processor socket.
6. Carefully insert the upgrade processor, following the processor manufacturer's instructions.
7. Perform steps 1 through 4 in reverse order.
8. Power up the RouteFinder and refer to Chapter 2 - Configuration.
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