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Ultra 1
(A11/A12)

Options 7001 / 7002 / 7003 / 7004 / 7043

501-2479	501-2480	501-2622	501-3136	501-5691
16MB 5V ECC 60ns DIMM Option 7001	64MB 5V ECC 60ns DIMM Option 7003	32MB 5V ECC 60ns DIMM Option 7002	128MB 5V ECC 60ns DIMM Option 7004	64MB 5V ECC 60ns DIMM Option 7043

Memory Map

SOCKET	BANK	BYTE	BITS	ADDRESS RANGE
U0604 U0704	Bank 3 Bank 3	16 - 31 00 - 15	128 - 255 000 - 127	30000000 - 3fffffff 30000000 - 3fffffff
U0603 U0703	Bank 2 Bank 2	16 - 31 00 - 15	128 - 255 000 - 127	20000000 - 2fffffff 20000000 - 2fffffff
U0602 U0702	Bank 1 Bank 1	16 - 31 00 - 15	128 - 255 000 - 127	10000000 - 1fffffff 10000000 - 1fffffff
U0601 U0701	Bank 0 Bank 0	16 - 31 00 - 15	128 - 255 000 - 127	00000000 - 0fffffff 00000000 - 0fffffff

Notes

1. Each bank requires two DIMMs.
2. The minimum memory requirement is two DIMMs in Bank 0.
3. DIMMs can be installed in Bank 1, Bank 2, or Bank 3 in any order.
4. Each bank addresses 256MB of memory. Unused memory is mapped out by the memory management hardware.

References

1. Sun Ultra 1 Series Service Manual, 802-3819.
2. Sun Ultra 1 Creator Series Service Manual, 802-4148.