VPX6600
USER
’S MANUAL
Acromag, Inc. Tel: 248-295-0310
- 16 -
http://www.acromag.com
- 16 -
https://www.acromag.com
Table 3.1.b:
Core
Configuration
Switch SW1
Table 3.1.b summarizes the functions, settings, and descriptions for dip switches
SW1-1 thru SW1-4 for Rev H or later VPX6600 products.
Core Configuration Switch SW1
Position
Function
Switch Setting
Description
1 - 2
NT Mode
SW1-1
SW1-2
ON
ON
NT Mode Disabled
OFF
OFF
NT Mode Enabled
3
Expansion
Plane Interface
OFF
PCIe Interface
ON
SATA Interface
4
RTC Voltage
OFF
Coin-cell battery not used
ON
Coin-cell battery used as
RTC voltage
SW1-1 and SW1-2 are used to enable/disable non-transparent mode on the
PEX8714 PCIe switch. Non-transparent mode provides the ability to use multiple
processors in the same system.
SW1-3 is used to select the interface on one of the expansion planes. The
expansion plane interface can either be one x4 PCIe connection or four individual
SATA III interfaces.
SW1-4
is used to configure the source of the CPU’s RTC voltage. With a coin
-cell
battery installed, the CPU will use the coin-cell battery as the RTC voltage. Turning
SW1-4 on will use the VPX Battery input on Pin P1-G3 for the RTC voltage.
WARNING: If SW1-4 is closed with a coin-cell battery installed, it will connect the
coin-cell to any voltage present on the VPX Battery pin on the VPX connector P1-
G3. The coin-cell battery must be removed before closing switch SW1-4 if a
voltage is supplied by the VPX backplane!