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A handle for ejecting a fan tray from an electronics enclosure comprises an elongated lever arm and a pair of opposing spring tabs extending from the lever arm disposed at an end of the lever arm. In an embodiment of the invention, the handle further includes a first bushing protruding from one of t

A handle for ejecting a fan tray from an electronics enclosure comprises an elongated lever arm and a pair of opposing spring tabs extending from the lever arm disposed at an end of the lever arm. In an embodiment of the invention, the handle further includes a first bushing protruding from one of the opposing spring tabs and a second bushing protruding from a second one of the opposing spring tabs. The first bushing and the second bushing define a pivot axis substantially perpendicular to a long axis of the elongated lever arm, and are configured to snap into opposing retention features of the fan tray. The elongated lever arm is thereby attached to the fan tray and pivotable between a closed position folded against an end of the fan tray, and an open position extending from the fan tray. In another embodiment, the handle further includes a bump edge protruding from the end of the elongated lever arm in a direction opposite to the pair of opposing spring tabs. When the handle is in an open position, the bump edge may be used as a fulcrum by which the fan tray may be disengaged from an electronics enclosure by a leveraging action of the lever arm.

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A handle for ejecting a fan tray from an electronics enclosure comprises an elongated lever arm and a pair of opposing spring tabs extending from the lever arm disposed at an end of the lever arm. In an embodiment of the invention, the handle further includes a first bushing protruding from one of t

A handle for ejecting a fan tray from an electronics enclosure comprises an elongated lever arm and a pair of opposing spring tabs extending from the lever arm disposed at an end of the lever arm. In an embodiment of the invention, the handle further includes a first bushing protruding from one of the opposing spring tabs and a second bushing protruding from a second one of the opposing spring tabs. The first bushing and the second bushing define a pivot axis substantially perpendicular to a long axis of the elongated lever arm, and are configured to snap into opposing retention features of the fan tray. The elongated lever arm is thereby attached to the fan tray and pivotable between a closed position folded against an end of the fan tray, and an open position extending from the fan tray. In another embodiment, the handle further includes a bump edge protruding from the end of the elongated lever arm in a direction opposite to the pair of opposing spring tabs. When the handle is in an open position, the bump edge may be used as a fulcrum by which the fan tray may be disengaged from an electronics enclosure by a leveraging action of the lever arm. ule, said boundary scan logic module having a number of terminals. 4. A data processing system according to claim 1 wherein one or more of the number of macro cells are bi-directional macro cells. 5. A data processing system according to claim 4 wherein selected ones of the bi-directional macro cells comprise a boundary scan logic module, said boundary scan logic module having a number of terminals. 6. A data processing system according to claim 1 wherein the number of user provided parameters identify one or more of the number of macro cells. 7. A data processing system according to claim 6 wherein the number of user provided parameters includes a number of fixed parameters. 8. A data processing system according to claim 7 wherein one of the number of fixed parameters is a pin location. 9. A data processing system according to claim 7 wherein one of the number of fixed parameters is a signal use. 10. A data processing system according to claim 7 wherein one of the number of fixed parameters is a pin capacitance. 11. A data processing system according to claim 7 wherein one of the number of fixed parameters is a pin resistance. 12. A data processing system according to claim 7 wherein one of the number of fixed parameters specifies a scan order. 13. A data processing system according to claim 6 wherein the number of user provided parameters includes a number of user specified parameters. 14. A data processing system according to claim 13 wherein one of the number of user specified parameters is an input core signal net name. 15. A data processing system according to claim 13 wherein one of the number of user specified parameters is an output core signal net name. 16. A data processing system according to claim 13 wherein one of the number of user specified parameters is a cell name. 17. A data processing system according to claim 13 wherein one of the number of user specified parameters is an associated net. 18. A data processing system according to claim 13 wherein one of the number of user specified parameters specifies a scan order. 19. A data processing system according to claim 13 wherein one of the number of user specified parameters is a test flag. 20. A data processing system according to claim 1 wherein the user interface is a spreadsheet. 21. A data processing system according to claim 20 wherein the spreadsheet provides the user provided parameters to a software program. 22. A data processing system according to claim 1 wherein the assembly means selects the one or more of the number of macro cells that is identified by the user provided parameters and interconnects the number of terminals of each one of the macro cells with one or more of a number of terminals of a second circuit design according to the user provided parameters and the circuit design assembly rules. 23. A data processing system according to claim 22 wherein the second circuit design includes core logic on an integrated circuit die. 24. A data processing system according to claim 22 wherein the assembly means formats the second circuit design into a hardware description language format. 25. A data processing system according to claim 24 wherein the assembly means is a software program which is executed on a workstation. 26. A data processing system according to claim 22 wherein each macro cell comprises a boundary scan logic module, said boundary scan logic module having a number of terminals. 27. A data processing system according to claim 26 wherein one or more of the number of macro cells are input macro cells. 28. A data processing system according to claim 26 wherein one or more of the number of macro cells are output macro cells. 29. A data processing system according to claim 26 wherein one or more of the number of macro cells are bi-directional macro cells. 30. A data processing system according to claim 22 wherein the assembly means interconnects the number of terminals of each one of the one or more of the number of boundary scan logic mod