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AN430TX SPECIFICATION UPDATE
18
DOCUMENTATION CHANGES
The Documentation Changes listed in this section apply to the
AN430TX Motherboard Technical Product
Specification
(Order Number 282955). All Documentation Changes will be incorporated into a future version
of the appropriate AN430TX motherboard documentation.
1. Revision of Section 1.6.1, Main Memory
This section will be replaced in its entirety as follows:
The motherboard has two 168-pin DIMM sockets. Memory can be installed in one or two sockets. Minimum
memory size is 8 MB. Maximum memory size is 128 MB for EDO memory and 256 MB SDRAM memory.
The BIOS automatically detects memory type, size, and speed so no jumper settings are required.
The motherboard supports the following:
• 168-pin 3.3 V DIMMs with gold-plated contacts
• 60 and 66 MHz bus speeds
• 60 ns 3.3 V EDO DRAM
• Unrestricted CAS Latency 2 unbuffered 4-clock 3.3 V SDRAM
• Caching for the first 64 MB of main memory
• 64-bit data path
• Single- or double-sided DIMMs in the following sizes:
DIMM Size Type Configuration Technology
8 MB 60 ns EDO 1M x 64 16 Mbit
16 MB 60 ns EDO 2M x 64 16 Mbit
32 MB 60 ns EDO 4M x 64 16 Mbit
64 MB 60 ns EDO 8M x 64 16 Mbit
8 MB CAS Latency 2 SDRAM 1M x 64 16 Mbit
16 MB CAS Latency 2 SDRAM 2M x 64 16 Mbit
32 MB CAS Latency 2 SDRAM 4M x 64 16 Mbit
64 MB CAS Latency 2 SDRAM 8M x 64 64 Mbit
128 MB CAS Latency 2 SDRAM 16M x 64 64 Mbit
Memory type, size, and speed can vary between sockets, so EDO and SDRAM can be installed on the same
motherboard. 168-pin parity DIMMs can be installed but are not recommended for the following reasons:
• The motherboard does not provide parity checking or ECC
• Parity DIMMs cause excessive capacitive loading on memory data and address lines