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6287 ULTRA Users ManualPage 5-6
17 Reserved
This option is reserved.
18 Reserved
This option is reserved.
19 Reserved
This option is reserved.
20 Physical Buffer Size
Determines whether the ULTRA uses a physical buffer of (A) 2K, (B) 2K
with EAB, (C) 4K or (D) 4K with EAB. This parameter must match the
buffer size that the host expects on the channel to which the ULTRA is
attached. The default value is (C), and it is most efficient for many systems.
Note: For APL support, the user must select (B) or (D). Additional
information regarding APL support can be found in Section 7 Translate
Tables and Section 13 Coax Host Considerations.
21 Logical Buffer Size
Determines whether the ULTRA uses a logical buffer of (A) 960 bytes,
(B) 1920 bytes, (C)2560 bytes, (D) 3440 bytes or (E) 3564 bytes. This
parameter must match the contents of the log mode entry table (found on
the host system). The default value is (D).
22 Reserved
This option is reserved.
23 Reserved
This option is reserved.
24 Reserved
This option is reserved.