下面是威联通TS-673A的model.conf中的一部分，其中disk1和disk2是有关NVME缓存盘的写法。有以下疑问：
1、DISK_FORM_TYPE = PD_FORM_U_2_PCIE为什么不写成DISK_FORM_TYPE = PD_FORM_M_2_PCIE
2、disk1的DEV_BUS = B0001:F3，disk2的DEV_BUS = B0001:F4怎么得来的，AIDA64只能查出PCIE 3.0x4 NVME的总线。
3、威联通的缓存盘是PCIE扩展出来的，原生主板上带的两条NVME插槽做缓存盘如何写？做数据盘如何写？
[System Enclosure]
VENDOR = QNAP
MODEL = TS-673A
DISPLAY_FIXED_MODEL_NAME = TS-673A
... ...
[System Disk 1]
DEV_BUS = B0001:F3
DEV_PORT = 1
BUS_TYPE = NVME
DISK_FORM_TYPE = PD_FORM_U_2_PCIE
BLINK_LED = EC:9
ERR_LED = EC:9
PRESENT_LED = EC:9
LOCATE_LED = EC:9
PCI_SWITCH_PORT = 0
DISK_DRV_TYPE = "NVME"
SLOT_NAME = M.2 SSD 1
[System Disk 2]
DEV_BUS = B0001:F4
DEV_PORT = 1
BUS_TYPE = NVME
DISK_FORM_TYPE = PD_FORM_U_2_PCIE
BLINK_LED = EC:10
ERR_LED = EC:10
PRESENT_LED = EC:10
LOCATE_LED = EC:10
PCI_SWITCH_PORT = 0
DISK_DRV_TYPE = "NVME"
SLOT_NAME = M.2 SSD 2

楼主，求TS-673Amodle