Advantech ASMB-785 - Table 1.10: ATX;AT Mode Selector (PSON1)

ASMB-785 User Manual 12
1.8.1.6 ATX/AT mode selector (PSON1)
The ASMB-785 contains a jumper that can support ATX or AT mode. Normally this
jumper should be set with pin 2-3 closed. If you want to change to AT mode, set
PSON to 1-2 closed.
1.8.1.7 PCIe link switch (JPEG1, JPEG2)
The ASMB-785 contains a jumper that can switch one PCIe x16 link on
PCIEX16_SLOT6 to two x8 link on PCIEX16_SLOT6 & SLOT4. Default setting with
pin 1-2 closed is one x16 on PCIEX16_SLOT6 (PCIEX16_SLOT4 can't work). If you
want to use PCIEX16_SLOT4 with x8 link, set JPEG1 to 2-3 closed and keep JPEG2
pin 1-2 closed for enable. Jumper setting for riser card support please refer to Sec-
tion 2.15 PCIe x16 Expansion Slot.
1.8.1.8 PEG training (JPEG3)
The ASMB-785 contains a jumper that can support PEG training with pin 1-2 closed
as default setting.
Table 1.10: ATX/AT mode selector (PSON1)
Function Jumper Setting
AT Mode
* ATX Mode
* default setting
1-2 closed
123
2-3 closed
123
Table 1.11: PCIe link switch (JPEG1)
Function Jumper Setting
* One x16 link
Two x8 link
* default setting
1-2 closed
123
2-3 closed
123
Table 1.12: PEG training (JPEG3)
Function Jumper Setting
* PEG training
* default setting
1-2 closed
123