Soyo sy-7isa+ 用户手册
Hardware Installation
SY-7ISA+
42
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.
(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.
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.
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