Xycom XVME-976/202 Manual page 67

Table 4-19 shows the Control Register 1 bit usage.
Board
Bit 7
Name BD1
Read/Write R/W
Bits 7, 6 Board Number. Module is selected if these bits match board number
(BD0, BD1) jumpering of W11 pins 1-4.
Bits 5, 4 Page Select. Used to select 64K byte pages from larger memory devices. PS2 and PS3
(PS0, PST) are in Control Register 2.
Bit 3 *Reserved
Bits 2-0 Socket number in binary where SN0 is the LSB.
(SN0-SN2)
Chapter 4 - Memory Expansion Module Installation
Table 4- 19. Control Register 1 Bit Usage
Page Select
6 5
BD0 PS1
R/W R/W
Description
Res*
4 3
PS0 *
R/W R/W
Socket Numbers
2 1
SN2 SN1 SN0
R/W R/W R/W
4-19
0