The following
table lists the default jumper settings.
| Callout Number | Ref. Des. | Function | Default | Schematic Page |
|---|---|---|---|---|
| 1 | J12 | SYSMON VREFP | 1-2 | 12 |
| 1-2: 1.024V VREFP connected to ACAP | ||||
| 2-3: VREFP connected to GND | ||||
| 2 | J26 | POR_B sense select | 1-2 | 15 |
| 1-2: VCCO_503 | ||||
| 2-3: VCCAUX_PMC | ||||
| 3 | J32 | SFP1_TX_DISABLE select | OFF | 45 |
| ON: enable always | ||||
| OFF: disable/allows ACAP U1 control | ||||
| 4 | J34 | ACAP U1 bank VCC_FUSE select | 2-3 | 17 |
| 1-2: VCC1V8 | ||||
| 2-3: GND | ||||
| 5 | J35 | SFP0_TX_DISABLE select | OFF | 17 |
| ON: enable always | ||||
| OFF: disable/allows ACAP U1 control | ||||
| 6 | J37 | JTAG MUX U14/U15 OE_B | 2-3 | 24 |
| 1-2: UTIL_3V3 disable | ||||
| 2-3: GND enable | ||||
| 7 | J60 | PCIe lane size select | 5-6 | 46 |
| 1-2: x1 | ||||
| 3-4: x4 | ||||
| 5-6: x8 | ||||
| 8 | J203 | SYSCTLR_POR_B enable | ON | 89 |
| ON: enable | ||||
| OFF: disable | ||||
| 9 | J205 | System Controller M88E1512 EPHY U131 configuration | 7-8 | 95 |
| 1:2: GND (5'b00000) | ||||
| 3:4: SYSCTLR_ETH_LED0 | ||||
| 5:6: SYSCTLR_ETH_LED0 | ||||
| 7:8: SYS_VCC1V8 (5'b00001) | ||||
| 10 | J234 | ACAP cooling fan control | 2-3 | 54 |
| 1-2: MAX6643 U64 control is enabled | ||||
| 2-3: always on | ||||
| 8 | J300 | ULPI USB3320 U99 USB conn. J308 shield select | 1-2 | 42 |
| 1-2: J308 shield directly to GND | ||||
| 2-3: J308 shield capacitor C2762 to GND | ||||
| 8 | J301 | IP4856 U104 VERSAL_SD1_REF voltage select | 1-2 | 76 |
| 1-2: UTIL_3V3 | ||||
| 2-3: GND | ||||
| 11 | J306 | Si53340 clock MUX U206 input select | OFF | 48 |
| ON: CLK1 8a34001_Q2 | ||||
| OFF: U205 USER_SI570_1(100 MHz default) | ||||
| 12 | J326 | POR_B source select (OR’d with POR_B) |
1-2 3-4 7-8 |
15 |
| None: U10 TPS389001 POR only | ||||
| 1-2: U125 SYSCTLR_POR_B | ||||
| 3-4: J36 PC4_POR_B | ||||
| 5-6: J212(B) DC_PS_POR_B_OUT | ||||
| 7-8: U20 FTDI_POR_B |