Master Wp; Geographical Address Switch, S2; Vme System Controller Select, S2; Table 2-6 Vme System Controller And Ga Switch Settings - Emerson MVME7100-0173 Additional Information For The Installation And Use

Geographical Address Switch, S2

2.4.1.7

Master WP

The Master Write Protect (WP) switch is OFF for normal operation. When this switch is ON,
writes to the NOR Flash, NAND Flash, MRAM and I
switch is OFF, writes to the non-volatile devices may be allowed depending on other switches
and control bits.
2.4.2 Geographical Address Switch, S2
The Tsi148 VMEbus Status Register provides the VMEbus geographical address of the
MVME7100. Applications not using the 5-row backplane can use the geographical address
switch to assign a geographical address per the following diagram. More information regarding
GA address switch assignments can be found in the MVME7100 Single Board Computer
Programmer's Reference.
Figure 2-5 Geographical Address Switch Position
2.4.3

VME System Controller Select, S2

Positions 1 and 2 of S2 are used to select VME System Controller selection. The default is for
automatic determination of SYSCON.

Table 2-6 VME System Controller and GA Switch Settings

Position
S2-1
S2-2
S2-3
S2-4
S2-5
S2-6
S2-7
MVME7100 Single Board Computer Installation and Use (6806800E08A)
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Function
1
VME SCON Auto
2
VME SCON SEL
GAP
GA4
GA3
GA2
GA1
Hardware Preparation and Installation
2
C EEPROMs are disabled. When the
Default
Auto-SCON
Non-SCON
1
1
1
1
1
39