| 501-2486 | 501-4676 |
|---|---|
| 167MHz 0MB FRU FAB 270-2486 |
167MHz 0MB FRU FAB 270-4358 |
| JUMPER | PINS | SETTING | DESCRIPTION |
|---|---|---|---|
| J1405 | 1-3 | - | Pre-FCS speed selection |
| J1406 | 1-3 | - | Pre-FCS speed selection |
| J1407 | 1-3 | - | Pre-FCS speed selection |
| J2002 | 1-2 2-3 |
In In |
Select FPROM (default) Select ROMBO |
| J2003 | 1-2 2-3 |
In In |
FPROM write protect (default) FPROM write enable |
| J2102 | 1-24 | Out | Serial port connector |
| J2103 | 1-8 | Out | Serial port edge test |
| J2104 | 1-2 2-3 |
In In |
RS-232 -12Vdc RS-423 (default) |
| J2105 | 1-2 2-3 |
In In |
RS-232 +12Vdc RS-423 (default) |
| J2201 | 1-2 2-3 |
Out Out |
Button XIR Button POR |
| J2202 | 1-8 | Out | ROMBO connector |
| J2203 | 1-8 | Out | JTAG connector |
| J2204 | 1-2 2-3 |
In In |
FPROM high half booting FPROM low half booting (default) |
| J3602 | 1-8 | Out | Ethernet edge test |
| J3603 | 1-8 | Out | Ethernet edge test |
| 501-2486 | 501-4676 |
|---|---|
| 167MHz 0MB FRU FAB 270-2486 |
167MHz 0MB FRU FAB 270-4358 |
| JUMPER | PINS | SETTING | DESCRIPTION |
|---|---|---|---|
| J2002 | 1-2 2-3 |
In In |
Select FPROM (default) Select ROMBO |
| J2003 | 1-2 2-3 |
In In |
FPROM write protect (default) FPROM write enable |
| J2102 | 1-24 | Out | Serial port connector |
| J2103 | 1-8 | Out | Serial port edge test |
| J2104 | 1-2 2-3 |
In In |
RS-232 -12Vdc RS-423 (default) |
| J2105 | 1-2 2-3 |
In In |
RS-232 +12Vdc RS-423 (default) |
| J2201 | 1-2 2-3 |
Out Out |
Button XIR Button POR |
| J2202 | 1-8 | Out | ROMBO connector |
| J2203 | 1-8 | Out | JTAG connector |
| J2204 | 1-2 2-3 |
In In |
FPROM high half booting FPROM low half booting (default) |
| J3602 | 1-8 | Out | Ethernet edge test |
| J3603 | 1-8 | Out | Ethernet edge test |
| PART # | MEMORY | SIMM | # SIMMS |
|---|---|---|---|
| 501-2805 | 128MB | 64MB | 2 |
| 501-2806 | 32MB | 16MB | 2 |
| 501-2995 | 64MB | 32MB | 2 |