Installation manual

Memory Board LEDs
Jumper Settings
Notes
The Sun 4200 CPU requires EPROM 3.0 or greater when more than two 16MB ECC memory
boards are installed.
1.
501-1092 or 501-1117 BackpIanes: Install a single memory board in Slot 6 with a 220/270
Terminator, 120-1613-01, installed at location U1203. Remove the terminator when expansion
memory boards are installed in Slots 2, 3, 4, and 5.
2.
501-1439 or 501-1498 Backplanes: Install a 220/270 Terminator 120-1613-01, at location
U1203 on the memory board in Slot 1. If placement results in memory boards on both sides of
the CPU, remove the terminator at location U1411 on the Sun 3400 CPU, and install
terminators on the memory boards in Slots 1 and 7.
3.
The 8MB memory board must be >=501-1102-11 to use with the Sun 3400CPU, the FPA, and
the FPA+.
4.
The 501-1451 32MB board >=501-1451-03 to use with the 501-1576 6MB memory board.5.
Remove jumpers P10, P11, P12, and P13 from the 501-1598 and 501-1832 backplanes when
the Sun 3400 board set is installed.
6.
Sun4/I: Memory - Sun-4/260/280
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