SW_RESET Loop

[PopoTheSapien]

I have a ESP32s:
https://www.mantech.co.za/datasheets/products/ESP-32-170468_BG.pdf

Using Arduino to flash with the slowest settings, I get a reboot loop as follows:

ets Jun 8 2016 00:22:57

rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:2
load:0x3fff0018,len:4
load:0x3fff001c,len:1100
load:0x40078000,len:9232
load:0x40080400,len:6412
entry 0x400806a8
ets Jun 8 2016 00:22:57

rst:0x3 (SW_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:2
load:0x3fff0018,len:4
load:0x3fff001c,len:1100
load:0x40078000,len:9232
load:0x40080400,len:6412
entry 0x400806a8
ets Jun 8 2016 00:22:57

The code I loaded is:

void setup(){
    Serial.begin(115200);
    Serial.println("Test");
}
void loop(){ }

Is there something I missed?

Thanks in advance.