1. Introduction Lever Actuated Land Grid Array LGA1366 Socket Instruction Sheet 411-78289 25 May `09 Rev.B LGA1366 is designed to receive the 1366 position LGA package. Read this instructions thoroughly before installing the package onto the socket. This sheet covers the instruction from after SMT through package installation. ILM cover assembly Tyco provides three components for LGA1366 socket system, ILM cover assembly (Fig 2a), socket (Fig2b), and back plate (Fig2c). LGA1366 Socket These components shall be used correctly to secure electrical and mechanical quality. Back plate Fig.1 System of LGA1366 socket Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. 1 of 30 Lever Actuated Land Grid Array LGA1366 Socket 2. Components Instruction Sheet 411-78289 25 May `09 Rev.B Components are changed by system design and combination of three components is required. Description Part Number 1) LGA1366 Socket X-1981837-X (*1) 2) ILM cover assy 3) Back plate (*2) Type (A) -Desk top back plate Type (B) -Server back plate (*1) refer to customer drawing for detail (*2) Type of back plate is selected by customer's board design In this document, "Back plate" is used as standard name Fig.2a LGA1366 socket with PnP cap (on PCB) Fig.2b ILM cover assembly X-1939738-X (*1) X-1939739-X (*1) X-1981467-X (*1) Fig.2c Back plate (A) Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. Fig.2d Back plate (B) 2 of 30 Lever Actuated Land Grid Array LGA1366 Socket 3. Description of each components Instruction Sheet 411-78289 25 May `09 Rev.B 3.1 LGA1366 socket Pin1 indicator Orientation key for ILM cover assembly PnP cap Orientation key for processor Contact grid area Contacts Tab for finger access Fig.3 LGA1366 socket with PnP cap on PCB Notch for finger access Housing Fig.4 LGA1366 socket without PnP cap Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. 3 of 30 Lever Actuated Land Grid Array LGA1366 Socket 3. Description of each components Instruction Sheet 411-78289 25 May `09 Rev.B 3.2 ILM cover assembly Hook for lever Tail tab Lever Pin1 indicator Load plate Frame Load plate tab(*1) Nut (4pcs ) Fig.5 ILM cover assembly (case of U shape lever) *1) Load plate tab is on lever in shipping status for easier assembly Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. 4 of 30 Lever Actuated Land Grid Array LGA1366 Socket Instruction Sheet 411-78289 25 May `09 Rev.B 3. Description of each components 3.3 Back plate Female nut for heat sink (4pcs) Stud bolt for ILM nut (4pcs) Top view Fig.7 Stud bolt Bottom view Fig.6 Desktop back plate (A) Top view Insulator sheet Bottom view Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. Fig.8 Server back plate (B) 5 of 30 Lever Actuated Land Grid Array LGA1366 Socket 4. ILM cover assembly and back plate assembly procedure Instruction Sheet 411-78289 25 May `09 Rev.B 4.1 Prepare components Three components shown below are used in this document. For SMT'd socket, please refer 114-5432, application specification for SMT process onto PCB. Fig.9 LGA1366 socket on PCB Fig.10 ILM cover assembly Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. Fig.11 Server back plate 6 of 30 Lever Actuated Land Grid Array LGA1366 Socket Instruction Sheet 411-78289 25 May `09 Rev.B 4. ILM cover assembly and back plate assembly procedure 4.2 Assemble back plate on PCB Attach back plate to PCB from back side. 4 stud bolts go through applicable 4 holes of PCB. (Fig.12) There should be no clearance between PCB and back plate (Fig.14) Please confirm if there are any foreign object or irregular warpage of PCB There should be no clearance between PCB and back plate Fig.12 Fig.13 Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. Fig.14 7 of 30 Lever Actuated Land Grid Array LGA1366 Socket Instruction Sheet 411-78289 25 May `09 Rev.B 4. ILM cover assembly and back plate assembly procedure 4.3 Attach ILM cover assembly Grasp the ILM cover assembly north side and south side as shown in Fig 15 Then put it onto PCB confirming the orientation by pin1 indicator. North Fig.15 Pin1 indicator on PnP cap is under load plate South Fig.16 Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. Pin1 indicator Fig.17 8 of 30 Lever Actuated Land Grid Array LGA1366 Socket Instruction Sheet 411-78289 25 May `09 Rev.B 4. ILM cover assembly and back plate assembly procedure 4.3 Attach ILM cover assembly (Cont'd) CAUTION Please don't open load plate before assembly to PCB. Load plate cannot be closed due to load plate hitting the nut pushed up by the studs Load plate Fig.18 Fig.19 Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. 9 of 30 Lever Actuated Land Grid Array LGA1366 Socket Instruction Sheet 411-78289 25 May `09 Rev.B 4. ILM cover assembly and back plate assembly procedure 4.3 Attach ILM cover assembly (Cont'd) All of the nuts of ILM cover assembly are pushed up by the studs if placed in correct orientation. (Fig.20) OK NG Case of incorrect orientation Non clearance between nut and frame Nut is pushed up by stud OK ILM has large gap to PCB NG Fig.20 All nuts are pushed up by stud Tyco Electronics Confidential Nuts are pushed up by stud Float from PCB Fig.21 This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. Non clearance between nut and frame 10 of 30 Lever Actuated Land Grid Array LGA1366 Socket 4. ILM cover assembly and back plate assembly procedure Instruction Sheet 411-78289 25 May `09 Rev.B 4.4 Fastening ILM nuts Fasten ILM nuts using TORX driver. Fastening order is shown in Fig.22 - Driver size: T-20 - Torque: 8 to 10 in-lbf (0.9 to 1.1 Nm) After fastening all of 4 nuts, confirm there is no clearance between collar and PCB (Fig.23) And confirm the frame moves free in Z direction at lever open condition. (Fig.24) No.1 North No.3 No.4 Confirm if there isn't clearance Collar Frame can move freely in Z direction in the clearance Frame is on PCB No.2 East North side view Fig.22 Fig.23 Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. East side view Fig.24 11 of 30 Lever Actuated Land Grid Array LGA1366 Socket 4. ILM cover assembly and back plate assembly procedure Instruction Sheet 411-78289 25 May `09 Rev.B 4.5 Completion Fig.25 Completion ILM cover assembly and back plate assembly Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. 12 of 30 Lever Actuated Land Grid Array LGA1366 Socket Instruction Sheet 411-78289 25 May `09 Rev.B 5. Package installation procedure 5.1 Open load plate To open the load plate, push its tail then the tab side will be lifted up. (Fig.26, 27) Remove the lever from hook then rotate it until it stops. (Fig.28, 29) Push Lift up Fig.26 Fig.28 Fig.30 Load plate OPEN position Fig.27 Fig.29 Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. 13 of 30 Lever Actuated Land Grid Array LGA1366 Socket Instruction Sheet 411-78289 25 May `09 Rev.B 5. Package installation procedure 5.2 Remove PnP cap The PnP cap has two tabs for removal. (Fig.31) Remove PnP Cap by grasping the 2 tabs and pull it straight up. (Fig.32) After the PnP cap is removed, contacts are exposed. (Fig.33) CAUTION DO NOT TOUCH THE CONTACT Fig.31 Tabs for removal Fig.32 Grasp PnP cap and pull straight up Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. Fig.33 After PnP cap removal 14 of 30 Lever Actuated Land Grid Array LGA1366 Socket Instruction Sheet 411-78289 25 May `09 Rev.B 5. Package installation procedure 5.2 Remove PnP cap (Cont'd) CAUTION Please do not open the cap using only 1 of the tabs. (Fig.34, 35) It may break the cap, or the removed cap may fall in socket contact grid and damage the contacts. NG NG Fig.35 Fig.34 Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. 15 of 30 Lever Actuated Land Grid Array LGA1366 Socket 5. Package installation procedure Instruction Sheet 411-78289 25 May `09 Rev.B 5.3 Package installation - Confirm orientation Before installation of the package, please confirm the orientation using the Pin1 indicator. (Fig.36,37) Fig.36 Pin1 indicator for package Tyco Electronics Confidential Fig.37 Pin1 indicator for ILM cover assembly This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. 16 of 30 Lever Actuated Land Grid Array LGA1366 Socket 5. Package installation procedure Instruction Sheet 411-78289 25 May `09 Rev.B 5.3 Package installation - How to hold the package Grasp the package with your thumb and forefinger at median of its edges. (Fig.38) Place the package onto the contact grid of socket horizontally. (Fig.39, 40) Please ensure the package is not sitting on the housing of socket. Please see following slide for prohibitions. After installation, please confirm if the package is installed correctly. (Fig.41) Check 4 corners - the housing walls guide the package Check orientation keys are aligned with the package cut outs Pin1 indicator Fig.38 Grasp package Fig.39 Verify orientation Fig.40 Horizontal instillation Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. Fig.41 Confirm package installed correctly 17 of 30 Lever Actuated Land Grid Array LGA1366 Socket Instruction Sheet 411-78289 25 May `09 Rev.B 5. Package installation procedure 5.3 Package installation - Cautions CAUTION Do not place the package in as offset position and do not slide the package on the contact grid (Fig.42), to prevent damaging contacts. Do not begin lever actuation if the package is in offset condition.(Fig.43) NG NG Fig.42 Fig.43 Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. 18 of 30 Lever Actuated Land Grid Array LGA1366 Socket 5. Package installation procedure Instruction Sheet 411-78289 25 May `09 Rev.B 5.3 Package installation - If Package is placed incorrectly If package is placed incorrectly, (Fig.45, 46), please remove it carefully to avoid damage to contacts. Alignment key Housing cavity Fig.44 4 corners of housing cavity NG NG Fig.45 Fig.46 Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. 19 of 30 Lever Actuated Land Grid Array LGA1366 Socket 5. Package installation procedure Instruction Sheet 411-78289 25 May `09 Rev.B 5.3 Package installation - Close load plate Rotate the load plate slowly while grasping its tab. (Fig.47) Gently push the load plate tab side and close the lever slowly. (Fig.48) Please confirm if the lever has engaged the load plate tab. (Fig.49) If lever does not engage the tab, please confirm the CPU package is installed correctly. (Fig.41) Push gently Fig.47 Rotate down the load plate Fig.48 Operate lever to hook Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. Fig.49 Confirm the lever has engaged the load plate tab 20 of 30 Lever Actuated Land Grid Array LGA1366 Socket Instruction Sheet 411-78289 25 May `09 Rev.B 5. Package installation procedure 5.3 Package installation - Close lever Rotate the lever until it engages to the hook. (Fig.50) Before engaging lever, please confirm: * Pull lever gently to west side to make clearance between lever and load plate (Fig.50) * Confirm the clearance between lever and stiffener plate. (Fig.50a) OK NG Pull lever gently to west Fig.50 Check, there should be a clearance between lever and stiffener plate. No clearance The lever is on the stiffener plate. Fig.50a Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. 21 of 30 Lever Actuated Land Grid Array LGA1366 Socket 5. Package installation procedure Instruction Sheet 411-78289 25 May `09 Rev.B 5.3 Package installation - Close lever Please confirm if the lever is fastened by the hook. (Fig.51) Fig.51 Completion Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. 22 of 30 Lever Actuated Land Grid Array LGA1366 Socket 5. Package installation procedure Instruction Sheet 411-78289 25 May `09 Rev.B 5.4 Package installation - How to open the load plate if it is closed accidentally In order to open the load plate, push the load plate tail which will lift the load plate tab side. This will allow the load plate to open easily. CAUTION (Fig.52) and reduce the risk of damaging the contacts. If you open the load plate by grasping the inner window of load plate, (Fig.53) contact damage Push load plate tail may occur NG Lifted up tab side Fig.52 Open load plate Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. Fig.53 23 of 30 Lever Actuated Land Grid Array LGA1366 Socket 6. Disassembly procedure Instruction Sheet 411-78289 25 May `09 Rev.B 6.1 Disengage lever and open load plate as below figure CAUTION Do not release the lever right after disengaging it from the hook. The lever is under load from load plate. If you release the lever right after it disengages from hook, the lever rotates rapidly and generated load will be released rapidly. This will make the package pop up from contact grid and cause damage to contacts. Therefore please rotate the lever with your finger till it stops. Fig.54 Disengaging lever from hook Fig.55 Lift up the lever Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. Fig.56 24 of 30 Lever Actuated Land Grid Array LGA1366 Socket 6. Disassembly procedure Instruction Sheet 411-78289 25 May `09 Rev.B 6.2 Removing the package Remove the package grasping it as shown below. NOTE Please be careful during this operation not to drop the package to prevent damage to the contacts. Fig.57 Grasp package Tyco Electronics Confidential Fig.58 Lift up package and remove This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. 25 of 30 7. Attach PnP cap Lever Actuated Land Grid Array LGA1366 Socket Instruction Sheet 411-78289 25 May `09 Rev.B 7.1 Check the cap PnP cap uses 4 latches to attach itself to the LGA1366 socket housing. (Fig.60, 61) Before attaching the cap, please check the latches are not damaged (Fig.61) Fig.59 Top view Fig.60 Bottom view Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. Fig.61 lock feature 26 of 30 7. Attach PnP cap Lever Actuated Land Grid Array LGA1366 Socket Instruction Sheet 411-78289 25 May `09 Rev.B 7.2 Attach PnP cap - Confirm orientation Check the orientation with the pin1 indicator. (Fig.62) You can see that the guide keys on socket housing and cut out feature on cap are adapted. Pin1 indicator Fig.62 Confirm orientation Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. 27 of 30 7. Attach PnP cap Lever Actuated Land Grid Array LGA1366 Socket Instruction Sheet 411-78289 25 May `09 Rev.B 7.3 Attach PnP cap Grasp the tabs and put the cap on the socket horizontally. (Fig.63, 64, 65) At this time, please be careful with its position not to make the latches of cap give contact damage. After attach the cap, please confirm if the cap was attached correctly with checking 4 corners. (Fig.66) Fig.64 Fig.63 Grasp position the tab marked REMOVE of plastic cap Fig.65 Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. Fig.66 28 of 30 7. Attach PnP cap Lever Actuated Land Grid Array LGA1366 Socket Instruction Sheet 411-78289 25 May `09 Rev.B 7.4 Attach PnP cap - Prohibition CAUTION Contact can be bent easily by incorrect operation. DO NOT touch contact grid area (Fig.67) DO NOT put the inclined PnP cap on the socket (Fig.69) NG Fig.67 Fig.68 Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. NG Fig.69 29 of 30 7. Attach PnP cap Lever Actuated Land Grid Array LGA1366 Socket Instruction Sheet 411-78289 25 May `09 Rev.B 7.5 Attach PnP cap - Close load plate and hook lever Rotate the load plate down to "LOAD PLATE CLOSE" position as shown in Fig.70 Rotate the lever down to closed position until the lever engages the locking hook as shown Fig.72 Fig.70 Close load plate Fig.71 Rotate lever Tyco Electronics Confidential This communication includes Tyco Electronics confidential or proprietary information that may also be legally privileged. Fig.72 Completion 30 of 30