Specifications

C
Pinouts and Mapping
114
Onboard switches, headers, and connectors
Onboard switches
TherearetwoswitchesontheCPM,bothonthefrontpanel,asfollow:
•Theresetswitch
•Thehotswapejectswitch
Therecessedresetpushbutton(SW1)islocatedinthelowerhalfofthefrontpanel,just
abovetheBase/FabricchannelStatusLEDs(seeFigure 2onpage 17).
Thehotswapejectswitchisconnectedtothelowerbladelatchassembly.Whenthelatchis
opened,itcausestheswitchtosignaltotheIPMCthatahotswapofthebladeisdesired.The
IPMCmonitorstheprocessandcontrolsthefrontpanelH/SLEDstatus.WhentheH/SLED
turnssteadyblue,thetopandbottomlatchescanthenbeusedtoejectthebladesoitcanbe
replaced.RefertoTable 2onpage 19fordetailsontheH/SLEDstatus.
Onboard headers
ThereareseveralCPMonboardheaders,butonlytheCustomerheader(P2)isavailable
duringnormaloperation.RefertoFigure 3onpage 18forthelocationoftheCustomer
header.InordertogainaccesstotheCustomerheader,youwillfirstneedtoremovetheCPM
fromitsslot(seeRemovingtheCPMonpage 71),andthenremovetheCPMcover(see
RemovingtheCPMboardcoveronpage 72).Table 49liststheheaderpinpairsandtheactions
associatedwithaninstalledjumper.
Table 49. Customer header (P2)
Wheninstalled,eachjumpercausesthefollowingactions:
1‐2AssertClearNVRAMTheBIOSrestorestheNVRAMdefaultsoneverybootwhenthis
jumperisinstalled.
3‐4
Boot Block Write Protect AssertstheWP*signaltotheflashtopreventanychangestothe
bootblockregionaftertheBIOShassettheappropriatelockbits.
Pin Pair No Jumper Jumper Installed
1-2 N/C Assert Clear NVRAM
3-4
Enable Boot Block
Write
Boot Block Write
Protect
5-6 N/C BIOS Force Recovery
7-8
Enable eUSB Flash
Write
eUSB Flash Write
Protect
9-10 Enable UNR Shutdown Disable UNR Shutdown
11-12 N/C
ME Firmware Recovery
Mode
13-14 N/C N/C
1
2 4 6 8 10 12 14
13
Board