41955801TH Rev.8 69 /Oki Data CONFIDENTIAL2.3.47 CU AssyCU Assy confirmation subject.[CU main board]There are two kinds of CU main boards of C7550/C7350,C7500/C7300.OLD Version : TIG-3NEW Version : HMEROM DIMM and EEPROM ofeach board cannot be used withthe board of another side.CombinationOLD VersionNEW VersionNGCombinationOK/NGOKOKNGBlankLCDEEPROM93C8624C3224C32(NG)93C8624C3293C86(NG)Main BoardTIG-3HMETIG-3TIG-3HMEHMEProgram DIMMVer.x1.xx or x2.xxVer.x3.xx or x4.xxVer.x1.xx or x2.xxVer.x3.xx or x4.xx(NG)Ver.x1.xx or x2.xx(NG)Ver.x3.xx or x4.xxHow to recognize1:Serial No.2 1 2 A 1 0 0 4 7 0 2N31033C -D Made in ThailandOLD Version xxxA xxxxxxxNEW Version xxxB xxxxxxx orSAP system serial No.2:Main Map printting(CU F/W Ver.)OLD Version : x1.xx or x2.xxNEW Version : x3.xx or x4.xx3:Board appearanceOLD Version :NEW Version : There is printting of “NBC-2” on the board.The position of HDD and Centoro.(See page 150)[Program ROM DIMM]There are two kinds of program ROM DIMM.CRF : Flash ROM DIMMTNY : P2ROM DIMM. Parts(No. are also changed whenever the versions change.)Flash ROM is rewritable.P2ROM is not rewritable.(Parts number are also changed whenever the versions change.)[NIC Card]There are three kinds of NIC Cards.Oki LAN 6200e+ ODAOki LAN 7300e ODA/OEL/APSOki LAN 8100e ODA/OEL/APSNote: To use Oki LAN 8100e, software for the NIC must be downloaded to a CU main board.Software for the NIC is downloaded to a CU main board (HME) before shipment ofa printer or a service board.As software is deleted when forced initialization is performed to a Flash ROM, redownloadingof the software is required. Software is not downloaded to a TIG-3 also a program ROMDIMM doesn’t support the software. Accordingly, the Soft NIC (Oki LAN 8100e) is notusable even if software for the NIC is downloaded to a TIG-3 board.
