IBM 8646 Hardware Maintenance Manual - Page 49

System board internal cable connectors, cabling requirements

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System board internal cable connectors The following illustration identifies system-board connectors for internal cables. Microprocessor 2 fan 4 (J2) Microprocessor 1 fan 3 (J3) Main power (J1) Fan 2 power (J18) Fan 1 power (J10) Diskette drive (J27) DASD I2C (J43) IDE (J30) Fan 5 power (J22) (not used) SCSI channel (J41) System board external port connectors The following illustration identifies system-board connectors for external devices. Keyboard/mouse USB Serial B Parallel Serial A Ethernet Video Note: For information on adding external SCSI devices to the server, see "SCSI cabling requirements" on page 72. Installing options 41

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System board internal cable connectors
The following illustration identifies system-board connectors for internal cables.
Microprocessor 2
fan 4 (J2)
Microprocessor 1
fan 3 (J3)
Fan 5 power
(J22) (not used)
IDE (J30)
Diskette
drive (J27)
SCSI channel
(J41)
Fan 2
power
(J18)
Fan 1
power (J10)
Main power
(J1)
DASD I C
(J43)
2
System board external port connectors
The following illustration identifies system-board connectors for external devices.
Keyboard/mouse
USB
Serial B
Parallel
Serial A
Ethernet
Video
Note:
For information on adding external SCSI devices to the server, see
“
SCSI
cabling requirements
”
on page 72.
Installing options
41