After Post Ends; Figure 3-4 Upper And Lower Memory Cards Location - Sun Microsystems SPARCstation Voyager Service Manual

If the CPU failed:
STATUS : Power-On Selftest FAILED ... Replace Main Logic Board
If the upper memory card failed:
STATUS : Power-On Selftest FAILED ... Replace Upper Memory Card
If the lower memory card failed:
STATUS : Power-On Selftest FAILED ... Replace Lower Memory Card
The upper memory card is the one located farthest from the CPU board. The lower
memory card is the one located closest to the CPU board.
Lower memory
card slot
FIGURE 3-4

After POST Ends

Use
FIGURE 3-5
22 SPARCstation Voyager Service Manual • December 1994
Memory card
Upper memory
card slot
Upper and Lower Memory Cards Location
to determine what diagnostics tests to run after the POST ends.
CPU board