System information

7-30
AlphaServer 800 Service Guide
Move the socketed NVRAM chip (position E14) and NVRAM TOY chip (E78) to
the replacement motherboard and set the jumpers to match previous settings.
Figure 7-25 Motherboard Layout
IP00071C
PCI Option
Slots
EISA Option
Slots
Shared PCI
Bank 1
E14
E78
PCI 11
PCI 12
PCI 13
PCI 14 (64-bit)
EISA 1
EISA 2
EISA 3
Power Supply Connectors
or EISA
Bank 0
CPU
Daughter
Board
NVRAM TOY
Clock Chip
NVRAM Chip
Removable Media
Narrow SCSI
Connector
Hard Disk
Wide SCSI
Connector
E44
E26
BIOS
RMC PIC Processor
Chip
Memory Module
Connectors
7.2.11 NVRAM Chip (E14) and NVRAM TOY Clock Chip (E78)
See Figure 7-24 for the motherboard layout.
NOTE: The NVRAM TOY chip contains the os_type environment variable. This
environment variable may need to be reset (Section 6.1.4.4).