
Hardware Installation and User’s Guide 15
Hardware Installation
J1 - IOP mode select jumper block: This jumper is used to place the IOP in reset, which
enables the flash chip to be programmed to recover resident firmware (FW). See
Appendix A for a detailed description of jumper J1.
J4 - PCI bus speed: Leave this jumper in the default position (pins 2-3 to auto-negotiate
33/66 Mhz) unless instructed to do otherwise by customer support or a specification
update.
FRU Jumper - IOP mode select jumper block: This jumper is used to place the IOP in
reset, which enables the flash chip to be programmed to recover resident firmware (FW).
See Appendix A for a detailed description of the FRU jumper.
PCI Bus Speed- PCI bus speed: Leave this jumper in the default position (pins 2-3 to
auto-negotiate 33/66 Mhz) unless instructed to do otherwise by customer support or a
specification update.
Table 2-1. Controller Jumper Settings GDT8546RZ
Jumper Block Jumper Position Definition
J1
Jumper on pins [1-2]
IOP is in reset mode with firmware recovery
enabled.
Jumper on pins [2-3] IOP is in normal run mode.
No jumpers IOP is in normal run mode.
J4
Jumper on pins [1-2] PCI bus is forced to 33 MHz.
Jumper on pins [2-3] PCI bus auto-negotiates 33 MHz or 66 MHz.
No jumpers PCI bus auto-negotiates 33 MHz or 66 MHz.
Tabelle 2-2. Controller jumper Settings GDT8586RZ
Block Nummer Position Definition
FRU Jumper
Jumper on pins [1-2]
IOP is in reset mode with firmware recovery
enabled.
Jumper on pins [2-3] IOP is in normal run mode.
no jumpers IOP is in normal run mode.
PCI Bus Speed
Jumper on pins [1-2]
PCI bus is forced to 33 MHz.
Jumper on pins [2-3] PCI bus auto-negotiates 33 MHz or 66 MHz.
No jumpers PCI bus auto-negotiates 33 MHz or 66 MHz.
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