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Table 3.9 Parallel port signal characteristics
Signal name
280-pin connector
LPTD[7:0]
LPTBUSY,LPTSLCT
LPTPE
LPTACK#,LPTERROR#
LPTINIT#,LPTSTROBE#,
LPTAFD#,LPTSLCTIN#
Table 3.10 KB signal characteristics
Signal name
280-pin connector
KBDATA,KBCLK,MSDAT
A,MSCLK
Table 3.11 AC97 signal characteristics
Signal name
280-pin connector
AC97SDIN0,AC97BITCLK
AC97SDOUT,AC97SYNC,
PCBEEP
AC97RESET#
Table 3.12 PM signal characteristics
Signal name
280-pin connector
POFF
PWSW#
STANDBY#
POWERGOOD
PME0#
PME1#
PORT[4:3]
CPUFRQ
ROMDIS
RESERVE
Rev.A
No. of
Block
I/O
pins
8
LPT
IOD
2
LPT
I
1
LPT
I
2
LPT
I
4
LPT
I/OD
No. of
Block
I/O
pins
4
KB/MS
I/OD
No. of
Block
I/O
pins
2
AC97
I
3
AC97
O
1
AC97
O
No. of
Block
I/O
pins
1
PM
OD
1
PM
I
1
PM
OD
1
PM
I
1
PM
I
1
PM
I
2
GPIO
Progr
amm
able
MISC
I
１
1
MISC
I
14
MISC
---
EPSON
CARD-PCI/GX Hardware Manual
pull-up/
Vol-
I
OL
down
tage
5V
---
14mA
5V
weak-
---
PD
5V
weak-
---
PD/PU
5V
weak-
---
PU
5V
---
14mA
Vol-
pull-up/
I
OL
down
tage
5V
---
16mA
pull-up/
Vol-
I
OL
down
tage
3.3V
15kPD
---
5VT
3.3V
---
4mA
3.3V
---
16mA -16mA
pull-up/
Vol-
I
OL
down
tage
5VS
---
14mA
TB
(*5)
5VS
1MPU
---
TB
(5VSTB)
(*5)
5V
---
16mA
3.3V
---
---
5VS
4.7kPU
---
TB
(5VSTB)
(*5)
5VS
4.7kPU
---
TB
(5VSTB)
(*5)
5V
Progra
2mA
-mmable
3.3V
10kPU
---
5V
10kPD
---
---
---
---
I
Reference
When not used
OH
PU/PD
PU/PD
---
4.7kPU
---
(5V)
---
4.7kPU
---
(5V)
---
4.7kPU
---
(5V)
---
4.7kPU
---
(5V)
---
4.7kPU
PU
(5V)
I
Reference
When not used
OH
PU/PD
PU/PD
---
2kPU
PU
(5V)
I
Reference
When not used
OH
PU/PD
PU/PD
---
---
---
-4mA
---
---
---
---
I
Reference
When not used
OH
PU/PD
PU/PD
---
10kPU
(*1)
(5VSTB)
---
---
---
---
4.7kPU
---
(3.3V)
---
---
(*1)
---
---
---
---
---
---
-2mA
---
- or PU
(*2)
---
---
---
---
---
--- (*3)
---
---
--- (*4)
25
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