My Thinkpad P14s laptop is showing 8 RAM slots on Task Manager

My Thinkpad P14s laptop is showing 8 RAM slots on Task Manager slot 8 PCA-6113P4R 13-slot 8 ISA, 4 PCI, 2 PICMG Backplanes Segments: 1; Slots: 7 ISA, 4 PCI, 2 PICMG; Size: 315 x 260 mm ; Ordering Information: slot art development company Nut Type, T-Slot Tap Type, Through Thread Size, 58-11 Material, Steel Slot Width , Base Width , 1-18

slot art development company Well idk why it shows 8 slots, but task manager ain't the only one CPU-ID also shows 8, where only slot 4 and slot 8 are populated

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