IBM 8668 Hardware Maintenance Manual - Page 15

Server controls and indicators, Tower model - bios

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v CPU/VRM failure identification through Light Path Diagnostics technology and alerting v Diagnostic support of ServeRAID™ adapters and Ethernet adapters v Hot-swap drive bays v Error codes and messages and system error logging v Upgradable BIOS, diagnostics, and ISMP code v Automatic restart after a power failure v Parity checking on the SCSI bus v Error checking and correcting (ECC) memory v Redundant hot-swap power-supply option v Redundant hot-swap cooling v Redundant Ethernet capabilities (with optional adapter) v Vital product data (VPD) on processor complex, system board, power backplane, SCSI backplane, and each power supply v Operator information panel and group of diagnostic LEDs on the system board v Remind button to temporarily turn off LEDs for nonvital alerts Server controls and indicators The following illustrations show the controls and indicators on the front of the server. Operator information panel Power-control button shield (if installed) Power-control button Reset button Cover-release latch Tower model Serial number Hard disk drive activity light (green) Hard disk drive status light (amber) General information 7

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v
CPU/VRM failure identification through Light Path Diagnostics technology and
alerting
v
Diagnostic support of ServeRAID
™
adapters and Ethernet adapters
v
Hot-swap drive bays
v
Error codes and messages and system error logging
v
Upgradable BIOS, diagnostics, and ISMP code
v
Automatic restart after a power failure
v
Parity checking on the SCSI bus
v
Error checking and correcting (ECC) memory
v
Redundant hot-swap power-supply option
v
Redundant hot-swap cooling
v
Redundant Ethernet capabilities (with optional adapter)
v
Vital product data (VPD) on processor complex, system board, power backplane,
SCSI backplane, and each power supply
v
Operator information panel and group of diagnostic LEDs on the system board
v
Remind button to temporarily turn off LEDs for nonvital alerts
Server controls and indicators
The following illustrations show the controls and indicators on the front of the
server.
Tower model
Hard disk
drive activity
light (green)
Hard disk
drive status
light (amber)
Reset
button
Power-control
button
Power-control
button shield
(if installed)
Cover-release
latch
Serial
number
Operator
information
panel
General information
7