Xycom XVME-976/202, Руководство пользователя

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