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Hardware Installation SY-7ISA+
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Step 3. CNR MR Card-CODEC OPTION (JP8)
CNR MR Card-
CODEC OPTION
Primary Secondary
JP8 Setting open JP8 Short JP8
Step 4. Set JP9 for FWH Boot Block Write-Protect
Setting this jumper to open will prevent the boot block area of the FWH
(FirmWare Hub) chip from being written data into such that it is write-
protected from unwanted or abnormal write activity.
Note: In some rare cases, the boot block area will need to be flashed to
complete the BIOS upgrade procedure. Setting JP9 to open will cause
incomplete BIOS update in that case.
The FWH Boot
Block Write-Protect
Locked Unlocked
JP9 Setting Open JP9 Short JP9
Step 5. SPEAKER OPTION (JP22)
Through this jumper the case speaker output can be redirected to the
external (amplified) speakers (if connected) through the on-board Audio-
Codec.
SPEAKER OPTION Lineout SPK CASE SPK
JP22 Setting
Short pin 1-2 Short pin 2-3
1
2
1
2
1
2
1
2
1
2
3
1
2
3