| 
 
 Sun Fire V250
| 375-3105 | 375-3146 | 375-3147 | 375-3176 | 375-3130 |  
| w/o Memory w/o V250 Tray
 w/o USIIIi
 | 0MB FRU w/ V250 Tray
 1× 1.064GHz
 | 0MB FRU w/ V250 Tray
 2× 1.064GHz
 | 0MB FRU w/ V250 Tray
 1× 1.28GHz
 | 0MB FRU w/ V250 Tray
 2× 1.28GHz
 |   
 PCI Slot Numbering
| SLOT | BUS | DEVICE TREE |  
| 5 | 2B | pci@1f,70000/*@2,* |  
| 4 | 2A | pci@1e,60000/*@2,* |  
| 3 | 1A | pci@1c,60000/*@2,* |  
| 2 | 1B | pci@1d,70000/*@2,* |  
| 1 | 2A | pci@1e,60000/*@3,* |  
| 0 | 2A | pci@1e,60000/*@4,* |  Jumper Settings
| LOCATION | PINS | SETTING | DESCRIPTION |  
| J9 | 1-8 | Out | Unknown |  
| J10 | 1-3 | Out | Unknown |  
| J11 | 1-46 | n/a | X86 Debug Header |  
| J12 | 1-8 | Out | JTAG Header |  
| J14 | 50 | n/a | Unused 50-Pin Header |  
| J16 | 3 | n/a | Speaker Header (not used) |  
| J19 | 3 | n/a | Glow Logo Header (not used) |  
| JP1 | 1-2 7-8
 9-10
 | In In
 In
 | CPU1 1.4V Core VID[4:0] Bit 0 (00110) CPU1 1.4V Core VID[4:0] Bit 3 (00110)
 CPU1 1.4V Core VID[4:0] Bit 4 (00110)
 |  
| JP2 | 1-2 7-8
 9-10
 | In In
 In
 | CPU0 1.4V Core VID[4:0] Bit 0 (00110) CPU0 1.4V Core VID[4:0] Bit 3 (00110)
 CPU0 1.4V Core VID[4:0] Bit 4 (00110)
 |  
| JP3 | 1-2 3-4
 5-6
 | Out In
 Out
 | 1.280GHz CONFIG[2:0] Bit 0 (101) 1.280GHz CONFIG[2:0] Bit 1 (101)
 1.280GHz CONFIG[2:0] Bit 2 (101)
 |  
| JP3 | 1-2 3-4
 5-6
 | In In
 Out
 | 1.064GHz CONFIG[2:0] Bit 0 (100) 1.064GHz CONFIG[2:0] Bit 1 (100)
 1.064GHz CONFIG[2:0] Bit 2 (100)
 |  
| JP4 | 1-8 | Out | Unknown |  
| JP5 | 1-2 2-3
 | In In
 | FPROM low half booting (default) FPROM high half booting (flash recovery)
 |  
| JP6 | 1-2 | Out | Clear CMOS when installed |  
| JP7 | 1-2 1-2
 | In Out
 | FPROM write enabled (default) FPROM write protected
 |  
 
| Sun Fire V250 Codename: Enchilada 2P Tower |  Notes
  The minimum operating system is Solaris 8 7/03 or Solaris 9 8/03. 
 Memory Notes
Bank, Rank, DIMM, and XOR Interleaving is supported.
UltraSPARC IIIi supports single bank and dual bank DDR DIMMs.
Two DIMMs of the same bank size (single or dual) and memory size form a
    bank.
The minimum requirement is two DIMMs per CPU
    (DIMM 0/1 or 2/3, and 4/5 or 6/7).
Only CPU 0 DIMMs are accessible in a single CPU system (CPU 0). 
Memory is mapped globally and is accessible by either CPU in a dual-CPU
    system.
Memory error reporting identifies a failing Bank, not a single failing DIMM.
 References
 Sun Fire V250 Server Installation Guide, 817-0899. Sun Fire V250 Server Administration Guide, 817-0900. Sun Fire V250 Server Parts Replacement Manual, 817-0901.Sun Fire V250 ALOM Beta Online Help, 817-3175.
ALOM 1.2 Online Help, Documentation CD 724-7501-10.
 
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