HPS-2S1 v1.0
	›PCI-ISA slot x 1 PCI Slot x 1 142.2 x 45.8 mm

	HPS-2S v1.2
	›PCI-ISA slot x 1 PCI slot x 1 AT power connector Double-sided, 172.27 x 45.01 mm

	HPS-2SD v1.0
	›PCI-ISA slot x 1 PCI Slot x 1 AT power connector Double-sided, 260.99 x 69 mm

	HPS-3S v1.2
	›PCI-ISA slot x 2 PCI Slot x 2 AT power connector IDE connector x 2, 175.26 x 78 mm

	HPS-3S1 v1.0
	›PCI-ISA slot x 1 PCI-slot x 2 AT/FAN power connector 190.08 x 68.9 mm

	HPS-3S2 v0.0
	›PCI-ISA slot x 1 PCI slot x 1 ISA slot x 1 AT power connector, IDE connector x 2, 175.26 x 78 mm

	HPS-3S5 v0.1
	›PCI-ISA slot x 2 PCI slot x 3 AT/Fan power connector 175.26 x 98.45 mm

	HPS-4S v1.1
	›PCI-ISA slot x 1 PCI slot x 3 AT power connector 175.26 x 98.43 mm

	HPS-4S2 v1.0
	›PCI-ISA slot x 2 PCI slot x 2 ISA slot x 1 AT/ATX power connector, 175.26 x 98.43 mm

	HPS-4S3 v1.0
	›PCI-ISA slot x 2 PCI slot x 3 AT power connector 175.26 x 87.42 mm

	HPS-5S v1.1
	›PCI-ISA slot x 3 PCI slot x 3 AT power connector 175.26 x 128.27 mm

	HPS-5S2 v1.0
	›PCI-ISA slot x 2 PCI slot x 3 ISA slot x 1 AT/ATX power connector, 175.26 x 121 mm

	HPS-6S v1.2
	›PCI-ISA slot x 3 PCI slot x 4 AT power connector 175.26 x 148.59 mm

	HPS-6S2 v0.0
	›PCI-ISA slot x 2 PCI slot x 4 ISA slot x 1 AT/ATX power connector, 175.26 x 148.59 mm

	HPS-6SB v1.1
	›PCI-ISA slot x 1 PCI slot x 5 AT/Fan power connector PCI Bridge controller, 175.26 x 128.3 mm

	HPS-8S v1.0
	›PCI-ISA slot x 2 PCI slot x 4 ISA slot x 2 AT power connector, 218.02 x 175.26 mm

	HPS-8SB v1.0
	›PCI-ISA slot x 2 PCI slot x 7 ISA slot x 1, AT/ATX power connector, PCI Bridge controller, 218.02 x 175.26 mm

	HPS-13S v1.0
	›PCI-ISA slot x 3 PCI slot x 4 ISA slot x 6 AT/ATX/Fan power connector, 311.15 x 175.26 mm

	HPS-13SB v1.1
	›PCI-ISA slot x 3 PCI slot x 8 ISA slot x 3, AT/ATX/Fan power connector, PCI Bridge controller, 311.15 x 175.26 mm

	HPS-14S v1.1
	›PCI-ISA slot x 2 PCI slot x 4 ISA slot x 8 AT power connector, 311.15 x 175.26 mm

	HPS-14S v1.2
	›PCI-ISA slot x 2 PCI slot x 4 ISA slot x 8 AT/ATX/Fan power connector, 311.15 x 175.26 mm

	HPS-14SB v1.2
	›PCI-ISA slot x 3 PCI slot x 12 AT/ATX/Fan power connector PCI Bridge controller, 311.15 x 175.26 mm