I/O
Option #	Manufacturing Part #	Description	Previous Part #
X4575A [S]	501-6030	hsPCI I/O Board with PCI Cassettes	n/a
	501-5397 [F]	hsPCI Board without PCI Cassettes	n/a
	501-5600 [F]	5.0 V hsPCI Cassette	n/a
	501-6086 [F]	3.3V hsPCI Cassette	501-5599 [F]
X4576A [S]	501-6440	hsPCI+ I/O Board with PCI Cassettes	n/a
	501-5600 [F]	5.0 V hsPCI Cassette	n/a
	501-6082 [F]	hsPCI+ I/O Board without PCI Cassettes	n/a
	501-6086 [F]	3.3V hsPCI Cassette	501-5599 [F]
	501-7282	hsPCI+ I/O Board with PCI Cassettes	n/a
	501-5600 [F]	5.0 V hsPCI Cassette	n/a
	501-6086 [F]	3.3V hsPCI Cassette	501-5599 [F]
	501-7274 ⁹ ¹⁰ [F]	hsPCI+ I/O Board without PCI Cassettes	n/a
X4576A-Z [S]	501-7483	hsPCI+ Assembly	n/a
	501-7364 [F]	5.0V hsPCI Cassette	n/a
	501-7365 [F]	3.3V hsPCI Cassette	n/a
	501-7394 ¹¹ [F]	hsPCI+ I/O Board without PCI Cassettes	n/a
X4577A-Z [S]	501-7895	hsPCI-X Assembly	n/a
	501-7364 [F]	5.0V hsPCI Cassette	n/a
	501-7365 [F]	3.3V hsPCI Cassette	n/a
	501-7873 [F]	hsPCI-X I/O Board without Cassettes	501-7602
n/a	501-6784 [F]	hsPCI Board without PCI Cassettes	n/a
n/a	501-7602	hsPCI-X Assembly	n/a
	501-7357 [F]	hsPCI-X I/O Board without Cassettes	n/a
	501-7364 [F]	5.0V hsPCI Cassette	n/a
	501-7365 [F]	3.3V hsPCI Cassette	n/a
n/a	501-7874 [F]	hsPCI+ I/O Board without PCI Cassettes	n/a

⁹ 501-7274 requires the following SMS 1.4.1 patches: 117371-07 or higher and 117866-09. SMS 1.5 has integrated support.
¹⁰ Described on the packing slip as hsPCI++.
¹¹ 501-7394 requires the following SMS 1.4.1 patches: 117371-07 or higher and 117866-09. SMS 1.5 has integrated support.

Table Legend
[F] = Field Replaceable Unit (FRU) [C] = Customer Replaceable Unit (CRU) [A] = Alternate, can be used in system; wasn't used during production [S] = Supported, but can no longer be ordered with this system [N] = No longer supported for this system Price = Price this Part