Vecow UMBC-1100, User Manual

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19 ©Vecow UMBC-1100 User Manual GETTING TO KNOW YOUR UMBC-1100
2.2.12 CN20, CN22 : two PCIe x4 Slot (PCH)
The pin assignments of CN20, CN22 are listed in the following table :
4
1
1 5
6 10
11 15
1
10
19
11
12
24
1
A2 B2 A1 B1
A32 A31 B31 B32
A2 B2 A1 B1
A32 A31 B31 B32
143
288
222
79
220 77
146
1
143
288
222
79
220 77
146
1
143
288
222
79
220 77
146
143
288
222
79
220 77
146
1
2
1
4
1
4
1 4 1 4 1 4 1 4
8
7
1
2 8
7
1
2 8
7
1
2 8
7
1
2 8
7
1
2
8
7 1
2
8
7
1
2
8 7
1 2
7 1
7 1
7 1
7 1
7
1
7 1
7 1
12
11
1
2
10
1
10
1 10
1
10 1 10 1 10 1 10 1
10
1
10
1 2 3
4
5
22 25
U18 U14
U13 U10
U9 U5
U4
U1
R10
R9
R2
R1
L4 L3
L2 L1
U18 U14
U13 U10
U9
U5
U4 U1
R10
R9
R2
R1
L4 L3
L2
L1
R24 R12
R23 R11
R22 R10
R13 R1
L8 L5
L4
L1
30
20
B81 B82 A81 A82
B2
A2
A1 B1
CN22
Pin No. Definition Pin No. Definition
A1 Reserved B1 +V12S
A2 +V12S B2 +V12S
A3 +V12S B3 +V12S
A4 GND B4 GND
A5 CLKOUT_100M_X4_P2 B5 SM_SLOT_CLK
A6 CLKOUT_100M_X4_N2 B6 SM_SLOT_DAT
A7 CLKOUT_100M_X4_P3 B7 GND
A8 CLKOUT_100M_X4_N3 B8 +V3.3S
A9 +V3.3S B9 Reserved
A10 +V3.3S B10 +V3.3A
A11 PLTRST_PCIE# B11 WAKE#
A12 GND B12 Reserved
A13 CLKOUT_100M_X4_P0 B13 GND
A14 CLKOUT_100M_X4_N0 B14 PCIE_TXP21
A15 GND B15 PCIE_TXN21
A1
A2
A31
A32
B2
B1
B32
B31
CN20