M69030 Asiliant Technologies, M69030 Datasheet - Page 77
M69030
Manufacturer Part Number
M69030
Description
Manufacturer
Asiliant Technologies
Datasheet
1.M69030.pdf
(387 pages)
Specifications of M69030
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Operating Temperature (max)
70C
Rad Hardened
No
Lead Free Status / Rohs Status
Supplier Unconfirmed
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DEVCTL
read/write at PCI configuration offset 04h
byte or word accessible
accessible only via PCI configuration cycles
15-10
9
8
7
6
`efmp
15
Reserved
Fast Back-to-Back Enable for Masters
SERR# Enable
Wait Cycle Control
Parity Error Response
69030 Databook
14
13
Reserved
(0000:00)
Each of these bits always return a value of 0 when read.
This bit applies only to PCI Bus masters. Since this graphics controller never functions as
a PCI Bus master, this bit always returns a value of 0 when read.
0: Disables the use of SERR# and the setting of bit 14 (Signaled System Error bit) in the
Device Status Register (DEVSTAT) to 1 as a response to an address parity error. This is
the default after reset.
1: Enables the use of SERR# and the setting of bit 14 (Signaled System Error bit) in the
Device Status Register (DEVSTAT) to 1 as a response to an address parity error.
This bit controls enables and disables address stepping. Since this graphics controller
always supports address stepping, this bit always returns a value of 1 when read.
0: Disables the use of PERR# as a response to detecting either data or address parity
errors. Disables the setting of bit 14 (Signaled System Error bit) in the Device Status
Register (DEVSTAT) to 1 as a response to an address parity error. This is the default after
reset.
1: Enables the use of PERR# as a response to detecting either data or address parity
errors. Enables the setting of bit 14 (Signaled System Error bit) in the Device Status
Register (DEVSTAT) to 1 as a response to an address parity error.
Note: Bit 8 (SERR# Enable) of this register must also be set to 1 to enable the use of
SERR# and the setting of bit 14 (Signaled System Error bit) in the Device Status Register
(DEVSTAT) to 1 as a response to an address parity error.
Device Control Register
12
11
10
PCI Configuration Registers
Bk-Bk
Fast
(0)
9
SERR
Enbl
(0)
8
Wait
Cycl
Ctl
(1)
7
PERR
Enbl
(0)
6
Snoop
VGA
Pal
(0)
5
Inval.
Mem
Wrt /
(0)
4
Spec
Cycl
(0)
3
Revision 1.3 11/24/99
Mstr
Bus
(0)
2
Mem
Acc
(0)
1
Acc
I/O
(0)
0
7-3
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